{
  "endpoint": "https://mcp.horizonshield.dev/mcp",
  "entries": [
    {
      "at": "2026-08-14T18:00:38.287Z",
      "status": "pending",
      "reachable": true,
      "record_sha256": "2afefeb1cd88842b7090527a8552156992133d7e0c7694868ce4e3205a1a1fd4",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": false,
          "measured": false,
          "transport": false,
          "reason": "not measured: measuring determinism requires calling one of your tools, and this gate does not call tools on a server without the owner's consent. The first tool listed may be destructive. To have this condition measured, re-run with allow_"
        }
      },
      "fingerprint": "pending|agent_card=1,compensation_disclosure=1,determinism=0,mcp_endpoint=1"
    },
    {
      "at": "2026-08-15T18:00:02.697Z",
      "status": "pending",
      "reachable": true,
      "record_sha256": "4bba19302841f85d4bcec748cbb7fd80b4a49c885dd57b101603ecd10911cb79",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": false,
          "measured": false,
          "transport": false,
          "reason": "not measured: measuring determinism requires calling one of your tools, and this gate does not call tools on a server without the owner's consent. The first tool listed may be destructive. To have this condition measured, re-run with allow_tool_call set to true from a request you control."
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "3385a5564812bb57",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "7bb6a581c6228b54"
        }
      },
      "fingerprint": "pending|agent_card=1,compensation_disclosure=1,determinism=0,mcp_endpoint=1"
    },
    {
      "at": "2026-08-16T18:00:05.746Z",
      "status": "pending",
      "reachable": true,
      "record_sha256": "eb7d113155e39b092c84ff00815c8ffdafb0603c7ca9d15f25c150bee57ea2d7",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": false,
          "measured": false,
          "transport": false,
          "reason": "not measured: measuring determinism requires calling one of your tools, and this gate does not call tools on a server without the owner's consent. The first tool listed may be destructive. To have this condition measured, re-run with allow_tool_call set to true from a request you control."
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "3385a5564812bb57",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "7bb6a581c6228b54"
        }
      },
      "fingerprint": "pending|agent_card=1,compensation_disclosure=1,determinism=0,mcp_endpoint=1"
    },
    {
      "at": "2026-08-16T23:57:10.728Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "9bdd57a25fe8a5503dc34a1a54bd0bf79c700ad4f9f1c0aa05f71c17a51bf17d",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "3385a5564812bb57",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "7bb6a581c6228b54"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-17T04:31:49.519Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "b951cef529aee6f641bb49e6ac8b28808acc8d9f62608f8d3773a7a94c9040bd",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "3385a5564812bb57",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "7bb6a581c6228b54"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-17T18:00:50.519Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "9c0d048037f20bd13fab2f5dc854bdc39c945814e8cae7a51a502a16e6834a51",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "verify_integrity_claim"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-08-18T17:08:15.914Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "754b5f3fdb1c52a77208cb54574d4d203a5c68bdad1cdb8b7f15c8b45a901cd1",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-18T17:17:59.448Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "263f21089747b9fba9462fb38709c767d95b74d8714c788d1f6d47b382253702",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-18T17:40:54.273Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "df0a8882ba3b1ffe4f96707c26d1991f837a15ebc307e6a09c1459777b50603e",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-18T18:00:28.191Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "8b6ee54972981bb37e32498568ff5be541963ecf0150c08681accc2bc4910617",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-19T04:04:36.297Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "485f2ba000b6ea760bd170a3322e30db8cfeb5e5b80b2a655076cdc16ca5d754",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-19T18:00:39.187Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "bd170b7ca88e2d246036adb96fd6ecf2811126cf9a1be2b513befb7d07650614",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-20T18:00:57.636Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "4ca32beda68af287c93d2a197c98cf9c2857a20f31544a92d7b240dc7404f501",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-21T18:00:41.813Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "1725b2814d31c7d43dc6455cdafc70ed53a858829e42b07c41dc46a33259c796",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-22T18:00:18.103Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "dfdf1e2582cea0d0a2ccfc4781a9cd0984de380cb3cf118e25f62d76206b09e6",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        }
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-23T03:34:16.603Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "823a61e10caf2c6ec6442f98441c4fb1258ee839951bb662fd13e29f92566880",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-23T18:00:03.270Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "a08fe3858bd489915f5aaebffdc60dffa643b0f691025a436854013facbf853d",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-24T18:00:35.869Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "5b2242e6b16208435a2796f6d01d90ddcfecd0f96e1945c9fa476c1cb90efbd0",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-25T18:00:55.764Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "f1ebe619cbf634b85e544c2279231e2af5238bedcd40ba01187be87b92061783",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-26T18:00:56.982Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "a179cff35ba730c263588bbd9d79209480f30b477488456c2c814c4c8748d40e",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-27T18:00:55.715Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "b5ed8232995abf0bb63a70351152395e6b32479c159da1a04edb5d04dbb6d7d1",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "880197105f3cc6a8",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "fa5171b1fe6d58ea",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-28T01:15:41.425Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "6dc3a46abc10487f660dc31c2483a1b23bba3ddec3abb5a47a5e98c92fba1194",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "get_jccdb_dataset_info"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-08-28T18:00:54.086Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "dd55e4c14f703a2921cd2ed668ac51d6e833ae5a82b369c27d005492049f9265",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-29T18:00:53.872Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "3c5b1aa1e957c0a63980f43d6f13c6ca90d7daf02316c5a63c24346a30fb4cd5",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-30T18:00:06.515Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "06ea8d22dcf656f6d67535b430f58a19173dca0e2be8cb045c3fd84b9f335b0e",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-08-31T18:00:06.888Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "a71062c70285648395ec0608d4c0a488398b612c6db7212e847a639290a726ac",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-01T18:00:06.646Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "5521b87fd8ee7a58b0215acb1826d4817559489b5a6c6e156844c87c38f808c1",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-02T18:00:32.967Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "2b17ecdf69ded7925c1a429099083fab152356b281556d1c0057eadcb72a8e84",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-03T18:01:22.817Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "ec232121f15bd898c3ed8d26f1a009d543c930403e321b50caed9ad7e383b472",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-04T18:00:35.404Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "59d57b19e1c5ad5c6351cfcece9898f637f0e92975320d372ad065e897265fe9",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-05T18:00:55.397Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "9b98137c0f21fae6a5c5d641d85a498d284ff278eabcc652ccef431cdd45d910",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1"
    },
    {
      "at": "2026-09-06T18:01:02.005Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "ce4186bba535015faefc07ed9a66a5677eb49c7a29db69405d36c38a404dc59b",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2957",
        "salt_commitment": "ff57ab419114d900da6d74f6a7cdc475e04c78435521303497dd862a1bf4b733",
        "salt_created_at": "2026-09-05T18:00:12.389Z",
        "beacon": {
          "height": 965808,
          "block_hash": "0000000000000000000217ec231db790d8ffea4328d608f7e4c7a56736d08eb1",
          "block_time": "2026-09-06T17:06:00.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-06T18:01:02.005Z this gate (commit 082d68342fd9, version 0.4.0) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ]
    },
    {
      "at": "2026-09-07T18:00:24.636Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "4cb43c135355b792077c3bee31b4746deaa84a20fb1a43be170fb62466af78a9",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2957",
        "salt_commitment": "ff57ab419114d900da6d74f6a7cdc475e04c78435521303497dd862a1bf4b733",
        "salt_created_at": "2026-09-05T18:00:12.389Z",
        "beacon": {
          "height": 965808,
          "block_hash": "0000000000000000000217ec231db790d8ffea4328d608f7e4c7a56736d08eb1",
          "block_time": "2026-09-06T17:06:00.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-07T18:00:24.636Z this gate (commit 63010ebf09ae, version 0.4.0) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ]
    },
    {
      "at": "2026-09-08T18:00:24.688Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "9f2fa2e14a587a57f90b32bcc510a29b480a6abc8dc2f6e6bff656bc831ed242",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2957",
        "salt_commitment": "ff57ab419114d900da6d74f6a7cdc475e04c78435521303497dd862a1bf4b733",
        "salt_created_at": "2026-09-05T18:00:12.389Z",
        "beacon": {
          "height": 965808,
          "block_hash": "0000000000000000000217ec231db790d8ffea4328d608f7e4c7a56736d08eb1",
          "block_time": "2026-09-06T17:06:00.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-08T18:00:24.688Z this gate (commit 63010ebf09ae, version 0.4.0) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ]
    },
    {
      "at": "2026-09-08T23:42:10.563Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "4dffe218167d40bb5940ba6cd404225b95b3d20ca5cdac880fbd4c62f0e343fc",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2957",
        "salt_commitment": "ff57ab419114d900da6d74f6a7cdc475e04c78435521303497dd862a1bf4b733",
        "salt_created_at": "2026-09-05T18:00:12.389Z",
        "beacon": {
          "height": 965808,
          "block_hash": "0000000000000000000217ec231db790d8ffea4328d608f7e4c7a56736d08eb1",
          "block_time": "2026-09-06T17:06:00.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-08T23:42:10.563Z this gate (commit a2c5fdf7d26c, version 0.4.1) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/4dffe218167d40bb5940ba6cd404225b95b3d20ca5cdac880fbd4c62f0e343fc"
    },
    {
      "at": "2026-09-09T18:00:40.118Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "73cb2d9a2304b7e8439608f215c87fd877deda3545603a57789e7f4953f96a48",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2957",
        "salt_commitment": "ff57ab419114d900da6d74f6a7cdc475e04c78435521303497dd862a1bf4b733",
        "salt_created_at": "2026-09-05T18:00:12.389Z",
        "beacon": {
          "height": 965808,
          "block_hash": "0000000000000000000217ec231db790d8ffea4328d608f7e4c7a56736d08eb1",
          "block_time": "2026-09-06T17:06:00.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-09T18:00:40.118Z this gate (commit e45da70d1a56, version 0.4.3) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/73cb2d9a2304b7e8439608f215c87fd877deda3545603a57789e7f4953f96a48"
    },
    {
      "at": "2026-09-10T18:01:26.899Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "ee358b49bb8a504e0bc8c7f76e1d7e164f526d77cb45141b2999499653315f04",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-10T18:01:26.899Z this gate (commit ff457cfc6dac, version 0.4.5) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served under the agent's own domain, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/ee358b49bb8a504e0bc8c7f76e1d7e164f526d77cb45141b2999499653315f04"
    },
    {
      "at": "2026-09-11T18:01:09.512Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "b531d0ed7eb1204815aad0425af1b4cbce70c8afc4bcc5dd9dc1bd02fc137ff2",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-11T18:01:09.512Z this gate (commit edf783cf37d7, version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served under the agent's own domain, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/b531d0ed7eb1204815aad0425af1b4cbce70c8afc4bcc5dd9dc1bd02fc137ff2"
    },
    {
      "at": "2026-09-12T18:01:08.318Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "44ce8e3ef6c5516308a22a4a77ed805991a8c0a6b21818d55e878edae24df685",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "948ea269001311d8",
        "manifest_hash": "2b3edd31ec46ca38",
        "server_info_hash": "fcf4b56f3e1e03c7",
        "tool_hashes": {
          "audit_estimate": "5d39fd670d3f74dc",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "c696d468a3111a13",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 14,
        "discriminating": 14,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "43ebcc8831d721c92c2a74d7a12e6c7259f2d0476aa18bf5cecd9cf259bc6f62",
        "tool_count": 14,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-12T18:01:08.318Z this gate (commit edf783cf37d7, version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served under the agent's own domain, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/44ce8e3ef6c5516308a22a4a77ed805991a8c0a6b21818d55e878edae24df685"
    },
    {
      "at": "2026-09-13T18:01:07.217Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "7df2500fc5e8ef8d8c434635fd3f1db7f22e854e61260b7fc6bc968d560d6e77",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-13T18:01:07.217Z this gate (commit edf783cf37d7, version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served under the agent's own domain, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/7df2500fc5e8ef8d8c434635fd3f1db7f22e854e61260b7fc6bc968d560d6e77",
      "surface_change": {
        "added": [
          "find_verified_contractor"
        ],
        "removed": [],
        "definition_changed": [
          "audit_estimate",
          "get_price_range"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-09-14T18:01:04.152Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "1d9c0a0900bd2484084942aca01482df3c3688d76f77314899d6ba933983da4d",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-14T18:01:04.152Z this gate (commit 81e545ce59a0, version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/1d9c0a0900bd2484084942aca01482df3c3688d76f77314899d6ba933983da4d"
    },
    {
      "at": "2026-09-15T18:01:29.108Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "4a077111d5a30a294352d77bde9bb93023c475690f2a30bb4223f23877746bfa",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-15T18:01:29.108Z this gate (commit 4f3f6917181e, version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/4a077111d5a30a294352d77bde9bb93023c475690f2a30bb4223f23877746bfa"
    },
    {
      "at": "2026-09-16T18:00:37.955Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "6ed24a5776b0c198a7449e02e637560110a2a926a1d5d51d125c6538926ddf05",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2958",
        "salt_commitment": "9f2d4322df312216e896440c75dceb69f2893f7b4df7437d2232e303060f5323",
        "salt_created_at": "2026-09-06T18:00:45.296Z",
        "beacon": {
          "height": 966383,
          "block_hash": "0000000000000000000174657b2639569b487df299ead571c5ce34b8f7f2f95a",
          "block_time": "2026-09-10T16:59:35.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-16T18:00:37.955Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/6ed24a5776b0c198a7449e02e637560110a2a926a1d5d51d125c6538926ddf05"
    },
    {
      "at": "2026-09-17T18:01:24.995Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "bd9b113a9b2983153d47695c2dbb1ccbdb4cc90d570208eb7ade5e35b3a4531c",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-17T18:01:24.995Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/bd9b113a9b2983153d47695c2dbb1ccbdb4cc90d570208eb7ade5e35b3a4531c"
    },
    {
      "at": "2026-09-18T18:01:49.550Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "237e10851dbdadc386c60b09593c3f1dfc99797f6815eaed40c3a5224c03e92c",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-18T18:01:49.550Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/237e10851dbdadc386c60b09593c3f1dfc99797f6815eaed40c3a5224c03e92c"
    },
    {
      "at": "2026-09-19T18:01:42.363Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "636f22217fa2049993e490101863940326be34fb3d91c3df7d36269a9bd82751",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-19T18:01:42.363Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.7) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/636f22217fa2049993e490101863940326be34fb3d91c3df7d36269a9bd82751"
    },
    {
      "at": "2026-09-20T18:01:30.905Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "05bc24d33dc0e1473bc6a464fea5baba882ffa6a67366138e988d9136c5590b5",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-20T18:01:30.905Z this gate (commit 0cfe994dbc5a, version 0.4.14) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/05bc24d33dc0e1473bc6a464fea5baba882ffa6a67366138e988d9136c5590b5"
    },
    {
      "at": "2026-09-21T18:01:34.543Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "11b618c29494b5de28654fc3dc4154b6b28ef095acf0b2b5e4c9485c04895a93",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-21T18:01:34.543Z this gate (commit 0cfe994dbc5a, version 0.4.14) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/11b618c29494b5de28654fc3dc4154b6b28ef095acf0b2b5e4c9485c04895a93"
    },
    {
      "at": "2026-09-22T18:00:34.368Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "399b456dfbba84ae30890de659d28449c27e642abee2c50aadf0dfafdf937e70",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-22T18:00:34.368Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.14) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/399b456dfbba84ae30890de659d28449c27e642abee2c50aadf0dfafdf937e70"
    },
    {
      "at": "2026-09-23T18:00:32.099Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "4cec450384597b6b33697b454c0e7bc16c0d307bae05c33742925913b6ebbd67",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "8007393da10d1b28",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2959",
        "salt_commitment": "bc450f9e8d3fdc6b7cc2eb587dd33af6bb6f59ca133fa268e7db9539f23afe2b",
        "salt_created_at": "2026-09-10T18:00:31.627Z",
        "beacon": {
          "height": 967443,
          "block_hash": "0000000000000000000229e636cb9bb92708e76b1360a8096dec35b81ddd20ef",
          "block_time": "2026-09-17T17:15:49.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-23T18:00:32.099Z this gate (commit unpinned: this deployment did not inject a commit (deploy_gate.sh not used), version 0.4.14) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/4cec450384597b6b33697b454c0e7bc16c0d307bae05c33742925913b6ebbd67"
    },
    {
      "at": "2026-09-25T18:00:57.731Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "44b1b98247e2c8f9104cec21fe46de548c71c250522fd48ffc5b33af451d16b2",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "c7c4dfe8b58a5106",
        "server_info_hash": "4b5766ca60e9f07b",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-25T18:00:57.731Z this gate (commit 9475e33415c3, version 0.4.15) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/44b1b98247e2c8f9104cec21fe46de548c71c250522fd48ffc5b33af451d16b2"
    },
    {
      "at": "2026-09-26T18:00:18.646Z",
      "status": "pending",
      "reachable": true,
      "record_sha256": "8c78153b24677fe667158322f1703b2d93c36a353e1d31da619f92585d1ca244",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": false,
          "measured": true,
          "transport": false,
          "reason": "tools/call failed: timeout"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "91594008a6b8698c",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "797146b849b7a8ef",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "8df774fdd82448e4",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "pending|agent_card=1,compensation_disclosure=1,determinism=0,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-26T18:00:18.646Z this gate (commit 9475e33415c3, version 0.4.15) measured https://mcp.horizonshield.dev/mcp and recorded status pending",
        "conditions passed: agent_card, compensation_disclosure, mcp_endpoint; conditions failed: determinism",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/8c78153b24677fe667158322f1703b2d93c36a353e1d31da619f92585d1ca244",
      "surface_change": {
        "added": [
          "compare_jccdb_regions",
          "get_jccdb_coverage",
          "get_jccdb_index_series",
          "get_jccdb_labor_rate",
          "get_jccdb_observations",
          "get_jccdb_work_unit_price",
          "get_us_area_factor",
          "get_us_construction_prices",
          "get_us_contract_discounts",
          "get_us_import_landed_cost",
          "get_us_permits",
          "get_us_prevailing_wage",
          "get_us_price_chain",
          "get_us_trade_margins",
          "search_jccdb_items"
        ],
        "removed": [],
        "definition_changed": [],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-09-27T18:01:09.100Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "278850bc6d711db435190fc53c7b9b830a31dbae4b228faec718fea79d65f816",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "ba9524c841daedfa",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "06cb7e301394e335",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-27T18:01:09.100Z this gate (commit 18d831518a99, version 0.4.16) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/278850bc6d711db435190fc53c7b9b830a31dbae4b228faec718fea79d65f816",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "get_jccdb_dataset_info",
          "search_jccdb_items"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-09-28T18:00:58.359Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "0bfb5ac94f854a42e778dfda82a0941f0e6fcb35f63d0c656849f601cce189be",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "ba9524c841daedfa",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "06cb7e301394e335",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-28T18:00:58.359Z this gate (commit 21012e48b80b, version 0.4.18) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/0bfb5ac94f854a42e778dfda82a0941f0e6fcb35f63d0c656849f601cce189be"
    },
    {
      "at": "2026-09-29T18:00:27.173Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "51801e9d2df8d1b04f37ab5c5f2119601809d3e6a162fe777112e48ec41451c8",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "ba9524c841daedfa",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "06cb7e301394e335",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "4e65c6c494ae5dac",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "compare_jccdb_regions": "3a9c9d11f65bfe87",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_coverage": "aab87acc1657e3f8",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_jccdb_index_series": "62375964d4ec1b9b",
          "get_jccdb_labor_rate": "981efabf777afdd7",
          "get_jccdb_observations": "e32cb5e5798dcfc3",
          "get_jccdb_work_unit_price": "b38122b206d2e556",
          "get_price_range": "95836e127d592d58",
          "get_us_area_factor": "a388c9a61dccba1c",
          "get_us_construction_prices": "e484789eb53661b0",
          "get_us_contract_discounts": "bcfbb883bdfff204",
          "get_us_import_landed_cost": "2a69ed0cd9d3683f",
          "get_us_permits": "f1dace7a0d1dd6f5",
          "get_us_prevailing_wage": "04c0090536b79f06",
          "get_us_price_chain": "968b078c5fb853a0",
          "get_us_trade_margins": "9bbdf9049199482d",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "search_jccdb_items": "6e4ddf2ffcd10cf8",
          "suggest_ehn": "5889e221b5e1c757",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-29T18:00:27.173Z this gate (commit 21ae3d461309, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/51801e9d2df8d1b04f37ab5c5f2119601809d3e6a162fe777112e48ec41451c8"
    },
    {
      "at": "2026-09-30T18:00:59.202Z",
      "status": "pending",
      "reachable": true,
      "record_sha256": "56b37d2edfc99aaa54d013fb0b89301fa94df24e146f8b1bdc4a596f68c57c60",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": false,
          "measured": true,
          "transport": false,
          "reason": "tools/call failed: timeout"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "ba9524c841daedfa",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "06cb7e301394e335",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "4e65c6c494ae5dac",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "compare_jccdb_regions": "3a9c9d11f65bfe87",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_coverage": "aab87acc1657e3f8",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_jccdb_index_series": "62375964d4ec1b9b",
          "get_jccdb_labor_rate": "981efabf777afdd7",
          "get_jccdb_observations": "e32cb5e5798dcfc3",
          "get_jccdb_work_unit_price": "b38122b206d2e556",
          "get_price_range": "95836e127d592d58",
          "get_us_area_factor": "a388c9a61dccba1c",
          "get_us_construction_prices": "e484789eb53661b0",
          "get_us_contract_discounts": "bcfbb883bdfff204",
          "get_us_import_landed_cost": "2a69ed0cd9d3683f",
          "get_us_permits": "f1dace7a0d1dd6f5",
          "get_us_prevailing_wage": "04c0090536b79f06",
          "get_us_price_chain": "968b078c5fb853a0",
          "get_us_trade_margins": "9bbdf9049199482d",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "search_jccdb_items": "6e4ddf2ffcd10cf8",
          "suggest_ehn": "5889e221b5e1c757",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "pending|agent_card=1,compensation_disclosure=1,determinism=0,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2960",
        "salt_commitment": "1d2a3a28a20f4cf4691301f356c7a7cb178e9cd5498f9033e8e8e63f054757fc",
        "salt_created_at": "2026-09-17T18:01:16.405Z",
        "beacon": {
          "height": 968427,
          "block_hash": "000000000000000000016cebda67db9b191958f6bc6e40aad09cf0affa43251d",
          "block_time": "2026-09-24T16:52:08.000Z"
        },
        "day_in_window": 1,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-09-30T18:00:59.202Z this gate (commit 21ae3d461309, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status pending",
        "conditions passed: agent_card, compensation_disclosure, mcp_endpoint; conditions failed: determinism",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/56b37d2edfc99aaa54d013fb0b89301fa94df24e146f8b1bdc4a596f68c57c60"
    },
    {
      "at": "2026-10-01T18:00:56.965Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "0c42bee8cb0f9842e0face67d69e328209ea716fc051284b75c17344ffeaee19",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "ba9524c841daedfa",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "0ec589c1169d7452",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "df3278c704b5ad63",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "078c5d078e95f2a2",
          "get_jccdb_labor_rate": "f0dfd5f695384d47",
          "get_jccdb_observations": "68ff4665c560530e",
          "get_jccdb_work_unit_price": "8c0da7dffb45b315",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "def6b06758bb9f22",
          "get_us_construction_prices": "bff26a2e3798adea",
          "get_us_contract_discounts": "be79e0137e6b8611",
          "get_us_import_landed_cost": "d4ba4fd8dafd903e",
          "get_us_permits": "0c1e79936905451c",
          "get_us_prevailing_wage": "eb47efb1b0f48a93",
          "get_us_price_chain": "3897e7fe93d2cffb",
          "get_us_trade_margins": "5245b490529f7bd2",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "06cb7e301394e335",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "4e65c6c494ae5dac",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "compare_jccdb_regions": "3a9c9d11f65bfe87",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_coverage": "aab87acc1657e3f8",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_jccdb_index_series": "62375964d4ec1b9b",
          "get_jccdb_labor_rate": "981efabf777afdd7",
          "get_jccdb_observations": "e32cb5e5798dcfc3",
          "get_jccdb_work_unit_price": "b38122b206d2e556",
          "get_price_range": "95836e127d592d58",
          "get_us_area_factor": "a388c9a61dccba1c",
          "get_us_construction_prices": "e484789eb53661b0",
          "get_us_contract_discounts": "bcfbb883bdfff204",
          "get_us_import_landed_cost": "2a69ed0cd9d3683f",
          "get_us_permits": "f1dace7a0d1dd6f5",
          "get_us_prevailing_wage": "04c0090536b79f06",
          "get_us_price_chain": "968b078c5fb853a0",
          "get_us_trade_margins": "9bbdf9049199482d",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "search_jccdb_items": "6e4ddf2ffcd10cf8",
          "suggest_ehn": "5889e221b5e1c757",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-01T18:00:56.965Z this gate (commit 21ae3d461309, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/0c42bee8cb0f9842e0face67d69e328209ea716fc051284b75c17344ffeaee19"
    },
    {
      "at": "2026-10-02T18:01:28.305Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "16a21d87dd3394c93407df1866e115ffa1ee3b4dff0aa3ef4a2c4616f5f2e61f",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "c985a339437508c4",
        "manifest_hash": "fd60adc0e4bbf6f7",
        "server_info_hash": "e127affd0f084e4c",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "compare_jccdb_regions": "25f616a36c6104ec",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_coverage": "fa11fec5b6e79d4d",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_jccdb_index_series": "560f270fb8332747",
          "get_jccdb_labor_rate": "25ba011b4c6f3269",
          "get_jccdb_observations": "030ddf732c69b76c",
          "get_jccdb_work_unit_price": "ee9b9fa37ccb18e1",
          "get_price_range": "6a275c227d6fdd62",
          "get_us_area_factor": "f587555847fd9eb7",
          "get_us_construction_prices": "ab4c3b3cbf7e0a2b",
          "get_us_contract_discounts": "83ead9be49739ec1",
          "get_us_import_landed_cost": "867d4d3c8f079091",
          "get_us_permits": "aa80c2f5c3cc1622",
          "get_us_prevailing_wage": "467ee0e295d2494b",
          "get_us_price_chain": "830985d809cd1b65",
          "get_us_trade_margins": "8383071d8855f7b5",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "search_jccdb_items": "12ff03fa92318425",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "4e65c6c494ae5dac",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "compare_jccdb_regions": "3a9c9d11f65bfe87",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_coverage": "aab87acc1657e3f8",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_jccdb_index_series": "62375964d4ec1b9b",
          "get_jccdb_labor_rate": "981efabf777afdd7",
          "get_jccdb_observations": "e32cb5e5798dcfc3",
          "get_jccdb_work_unit_price": "b38122b206d2e556",
          "get_price_range": "95836e127d592d58",
          "get_us_area_factor": "a388c9a61dccba1c",
          "get_us_construction_prices": "e484789eb53661b0",
          "get_us_contract_discounts": "bcfbb883bdfff204",
          "get_us_import_landed_cost": "2a69ed0cd9d3683f",
          "get_us_permits": "f1dace7a0d1dd6f5",
          "get_us_prevailing_wage": "04c0090536b79f06",
          "get_us_price_chain": "968b078c5fb853a0",
          "get_us_trade_margins": "9bbdf9049199482d",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "search_jccdb_items": "6e4ddf2ffcd10cf8",
          "suggest_ehn": "5889e221b5e1c757",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 30,
        "discriminating": 30,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "23822de5cd9df312ead79b3105b985b680e74618d4daefbca7f49542bdff4b7f",
        "tool_count": 30,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-02T18:01:28.305Z this gate (commit 21ae3d461309, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/16a21d87dd3394c93407df1866e115ffa1ee3b4dff0aa3ef4a2c4616f5f2e61f",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "compare_jccdb_regions",
          "get_jccdb_coverage",
          "get_jccdb_index_series",
          "get_jccdb_labor_rate",
          "get_jccdb_observations",
          "get_jccdb_work_unit_price",
          "get_us_area_factor",
          "get_us_construction_prices",
          "get_us_contract_discounts",
          "get_us_import_landed_cost",
          "get_us_permits",
          "get_us_prevailing_wage",
          "get_us_price_chain",
          "get_us_trade_margins",
          "search_jccdb_items"
        ],
        "extras_changed": [],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-10-03T18:01:03.991Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "72597d44c173265f061648492886c558bca34a4603dc2f2e6b57df4896da1f35",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "9cc2182ce06629cb",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "68c660f6c7bfe376",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "6e668501c3fcf0e5",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "95836e127d592d58",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "suggest_ehn": "002556a923b846aa",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-03T18:01:03.991Z this gate (commit 0194e7f4976e, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/72597d44c173265f061648492886c558bca34a4603dc2f2e6b57df4896da1f35",
      "surface_change": {
        "added": [],
        "removed": [
          "compare_jccdb_regions",
          "get_jccdb_coverage",
          "get_jccdb_index_series",
          "get_jccdb_labor_rate",
          "get_jccdb_observations",
          "get_jccdb_work_unit_price",
          "get_us_area_factor",
          "get_us_construction_prices",
          "get_us_contract_discounts",
          "get_us_import_landed_cost",
          "get_us_permits",
          "get_us_prevailing_wage",
          "get_us_price_chain",
          "get_us_trade_margins",
          "search_jccdb_items"
        ],
        "definition_changed": [],
        "extras_changed": [
          "suggest_ehn"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one. extras_changed lists tools whose annotations, _meta, outputSchema or title moved while name, description and inputSchema may not have. Annotations such as destructiveHint are what a client reads to decide whether to ask a person first; they are self-declared hints and this gate does not judge whether the new value is true."
      }
    },
    {
      "at": "2026-10-04T18:00:26.112Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "c35a33e3ccd7ef589dc8772fdb1249fa2a0e17419f8781b08edc0b15be5d77fd",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "40ce49d0b6d554b7",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "6e668501c3fcf0e5",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "95836e127d592d58",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "suggest_ehn": "002556a923b846aa",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-04T18:00:26.112Z this gate (commit 0194e7f4976e, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/c35a33e3ccd7ef589dc8772fdb1249fa2a0e17419f8781b08edc0b15be5d77fd",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "get_jccdb_dataset_info"
        ],
        "extras_changed": [],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one."
      }
    },
    {
      "at": "2026-10-05T18:00:40.542Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "a493690acd7bd12d4e4d4fd7b22ec6493d991d9d3e1388a831a839798e5b76c5",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "40ce49d0b6d554b7",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "6a275c227d6fdd62",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "6e668501c3fcf0e5",
        "extras_hashes": {
          "audit_estimate": "e77ed715a466fff9",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "95836e127d592d58",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "suggest_ehn": "002556a923b846aa",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-05T18:00:40.542Z this gate (commit 0194e7f4976e, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/a493690acd7bd12d4e4d4fd7b22ec6493d991d9d3e1388a831a839798e5b76c5"
    },
    {
      "at": "2026-10-07T18:01:15.201Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "2f3645baa07a6284c6ef70a477255be47c44e08586e489379bb01b9ac427b952",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "d57b9f11b82694f2",
        "manifest_hash": "fafdb863806d1c37",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "suggest_ehn": "984e3f48fb293801",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "728eb8df918b84ea",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "7720a2aca1350bda",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "suggest_ehn": "002556a923b846aa",
          "verify_fair_price": "cd540834cc5045df",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2961",
        "salt_commitment": "a610c33a3a00109495458a5ea0314c65f40c3a6175bb1b80c06ce0f8ba295b31",
        "salt_created_at": "2026-09-24T18:00:33.961Z",
        "beacon": {
          "height": 969466,
          "block_hash": "0000000000000000000190274198b6ff8e4c848049f935d9a5bdf0561a0035ed",
          "block_time": "2026-10-01T16:43:37.000Z"
        },
        "day_in_window": 6,
        "tool_set_sha256": "2e1ffd411265177e65334a6d133d9a826cf3928ede8c0431952b2a60b52ec45f",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-07T18:01:15.201Z this gate (commit 4ada2386ae24, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/2f3645baa07a6284c6ef70a477255be47c44e08586e489379bb01b9ac427b952",
      "surface_change": {
        "added": [],
        "removed": [],
        "definition_changed": [
          "get_price_range"
        ],
        "extras_changed": [
          "audit_estimate",
          "get_price_range"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one. extras_changed lists tools whose annotations, _meta, outputSchema or title moved while name, description and inputSchema may not have. Annotations such as destructiveHint are what a client reads to decide whether to ask a person first; they are self-declared hints and this gate does not judge whether the new value is true."
      }
    },
    {
      "at": "2026-10-08T18:00:38.254Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "162e1c0ef5e8e832f35983f90fcfbd3061ce5bab169cfa30e4f8c1a5b8cfcbf0",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-08T18:00:38.254Z this gate (commit 4f0ebd2dbb52, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/162e1c0ef5e8e832f35983f90fcfbd3061ce5bab169cfa30e4f8c1a5b8cfcbf0",
      "surface_change": {
        "added": [
          "get_anonymous_estimate_review_link"
        ],
        "removed": [
          "suggest_ehn"
        ],
        "definition_changed": [],
        "extras_changed": [
          "create_ap2_fairness_attestation",
          "verify_fair_price"
        ],
        "note": "The tool surface changed between measurements. This is a dated fact, not a defect: the MCP specification treats tool-list changes as normal operation (notifications/tools/list_changed). Recorded for anyone; judged by no one. extras_changed lists tools whose annotations, _meta, outputSchema or title moved while name, description and inputSchema may not have. Annotations such as destructiveHint are what a client reads to decide whether to ask a person first; they are self-declared hints and this gate does not judge whether the new value is true."
      }
    },
    {
      "at": "2026-10-09T18:00:58.183Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "dfaf3a5f6324a64fe73971f4cff31cd6a4245f533b2a588b01ec0da356c71673",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-09T18:00:58.183Z this gate (commit 4f0ebd2dbb52, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/dfaf3a5f6324a64fe73971f4cff31cd6a4245f533b2a588b01ec0da356c71673"
    },
    {
      "at": "2026-10-11T18:00:24.647Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "ccf52126e51ba4410b9b41a134604d733c87db2fd42198a72de937546866a55b",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-11T18:00:24.647Z this gate (commit f286bfe1b797, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/ccf52126e51ba4410b9b41a134604d733c87db2fd42198a72de937546866a55b"
    },
    {
      "at": "2026-10-12T18:00:28.558Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "055a3d3f80a6720873d0d52aa57ffb4c67afd494de36385bfe380fc594df890d",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-12T18:00:28.558Z this gate (commit f286bfe1b797, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/055a3d3f80a6720873d0d52aa57ffb4c67afd494de36385bfe380fc594df890d"
    },
    {
      "at": "2026-10-13T18:07:10.640Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "e6ca8e43a36b4dffe554cf272f43b67c9f81a9383185319cd67d526c4133a631",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-13T18:07:10.640Z this gate (commit c2bb3e026540, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/e6ca8e43a36b4dffe554cf272f43b67c9f81a9383185319cd67d526c4133a631"
    },
    {
      "at": "2026-10-14T18:00:30.057Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "bd19e2318d3b63814b9cca1e70eca7461a6bbf556d177a14379a7359a23e1fc5",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2962",
        "salt_commitment": "837d54ffa4050b9cc48d4730a8ebb6111af5bcde48e8002f41c631029ba26334",
        "salt_created_at": "2026-10-01T18:00:17.119Z",
        "beacon": {
          "height": 970510,
          "block_hash": "00000000000000000001d475a45969bf4991e5351185e475b52a5f523be8aa80",
          "block_time": "2026-10-08T16:00:22.000Z"
        },
        "day_in_window": 4,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-14T18:00:30.057Z this gate (commit c2bb3e026540, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/bd19e2318d3b63814b9cca1e70eca7461a6bbf556d177a14379a7359a23e1fc5"
    },
    {
      "at": "2026-10-16T18:00:13.896Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "1b020a8ca5db58ad983b0ba1a3c0163dfb53e0929017106b1d9f76f74e93f9c8",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2963",
        "salt_commitment": "0aba314082acc94c8b07cfbd52b3240adc238241da68db426d94cf3205942db8",
        "salt_created_at": "2026-10-08T18:00:19.214Z",
        "beacon": {
          "height": 971599,
          "block_hash": "000000000000000000005d11ad7146e09cfa888440ef0134cc050118507cf163",
          "block_time": "2026-10-15T16:54:28.000Z"
        },
        "day_in_window": 5,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-16T18:00:13.896Z this gate (commit 9c17cca9f863, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/1b020a8ca5db58ad983b0ba1a3c0163dfb53e0929017106b1d9f76f74e93f9c8"
    },
    {
      "at": "2026-10-17T18:00:55.966Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "36bee3506a024684c6e1b42dbc2088d46c8edffc73b1d2be0f4b8fda5b2807f5",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2963",
        "salt_commitment": "0aba314082acc94c8b07cfbd52b3240adc238241da68db426d94cf3205942db8",
        "salt_created_at": "2026-10-08T18:00:19.214Z",
        "beacon": {
          "height": 971599,
          "block_hash": "000000000000000000005d11ad7146e09cfa888440ef0134cc050118507cf163",
          "block_time": "2026-10-15T16:54:28.000Z"
        },
        "day_in_window": 5,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-17T18:00:55.966Z this gate (commit 9c17cca9f863, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/36bee3506a024684c6e1b42dbc2088d46c8edffc73b1d2be0f4b8fda5b2807f5"
    },
    {
      "at": "2026-10-18T18:01:00.515Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "bdaf5496690f8f3e8f1d81e53d9b826ca213230b563da77755e0953c71cf45ac",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2963",
        "salt_commitment": "0aba314082acc94c8b07cfbd52b3240adc238241da68db426d94cf3205942db8",
        "salt_created_at": "2026-10-08T18:00:19.214Z",
        "beacon": {
          "height": 971599,
          "block_hash": "000000000000000000005d11ad7146e09cfa888440ef0134cc050118507cf163",
          "block_time": "2026-10-15T16:54:28.000Z"
        },
        "day_in_window": 5,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-18T18:01:00.515Z this gate (commit 9c17cca9f863, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/bdaf5496690f8f3e8f1d81e53d9b826ca213230b563da77755e0953c71cf45ac"
    },
    {
      "at": "2026-10-19T18:00:20.833Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "33cb14e2c888beb1aa4e06986d0cf242c8a86d6387157e3aed0ecc34cda26695",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2963",
        "salt_commitment": "0aba314082acc94c8b07cfbd52b3240adc238241da68db426d94cf3205942db8",
        "salt_created_at": "2026-10-08T18:00:19.214Z",
        "beacon": {
          "height": 971599,
          "block_hash": "000000000000000000005d11ad7146e09cfa888440ef0134cc050118507cf163",
          "block_time": "2026-10-15T16:54:28.000Z"
        },
        "day_in_window": 5,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-19T18:00:20.833Z this gate (commit b7af85f689af, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/33cb14e2c888beb1aa4e06986d0cf242c8a86d6387157e3aed0ecc34cda26695"
    },
    {
      "at": "2026-10-21T18:01:21.357Z",
      "status": "verified",
      "reachable": true,
      "record_sha256": "58d338a7de1001cdda9852716c4c2f0538229db6ca66c22b8463686818832cb6",
      "consent_source": "operator_list",
      "conditions": {
        "mcp_endpoint": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "MCP endpoint responds to initialize and tools/list"
        },
        "agent_card": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "agent-card published and well-formed; signature verifies"
        },
        "compensation_disclosure": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "compensation structure declared"
        },
        "determinism": {
          "pass": true,
          "measured": true,
          "transport": false,
          "reason": "identical input returned identical output across 2 runs"
        }
      },
      "surface": {
        "complete": true,
        "pages_followed": 1,
        "names_hash": "e542ba8d1bafc57b",
        "manifest_hash": "8a5a7c459286fb35",
        "server_info_hash": "01587d1b0bee5f8a",
        "tool_hashes": {
          "audit_estimate": "770b06e26e76b820",
          "check_red_flags": "3d16722682b78bbc",
          "create_ap2_fairness_attestation": "90af58e00153a0ca",
          "find_verified_contractor": "acf844d1c117c8a8",
          "get_agent_card": "0acb3ef47f5b2be9",
          "get_anonymous_estimate_review_link": "115b7d5862c44d6b",
          "get_estimate_reading_guide": "8d5fbfa482552a3a",
          "get_fair_price_sources": "68fd6dcadfa27f0e",
          "get_jccdb_dataset_info": "d144ac920bc27dbf",
          "get_price_range": "13f48a7ada7808a9",
          "list_cost_categories": "3c7b1f8fc27bc24c",
          "preview_reverse_estimate": "2fd121c21003af13",
          "search_cost_category": "f416ec60bd06020c",
          "verify_fair_price": "36cba70c911fdd86",
          "verify_integrity_claim": "f6108bb73564cc44"
        },
        "extras_covers": [
          "annotations",
          "_meta",
          "outputSchema",
          "title"
        ],
        "extras_manifest_hash": "8cc034dc1c915878",
        "extras_hashes": {
          "audit_estimate": "7a970d5e778c9f01",
          "check_red_flags": "27ddb9483dafe3d8",
          "create_ap2_fairness_attestation": "48e77fd40cba0a0d",
          "find_verified_contractor": "82b1c629b84182ac",
          "get_agent_card": "fa3b9a539f16f37e",
          "get_anonymous_estimate_review_link": "002556a923b846aa",
          "get_estimate_reading_guide": "cbb4094bdc10dfc9",
          "get_fair_price_sources": "f5eaa92ca410f5f4",
          "get_jccdb_dataset_info": "ff3f1bda4a09f3ac",
          "get_price_range": "75d4e195c7f2b2ee",
          "list_cost_categories": "5a139c9b47df2966",
          "preview_reverse_estimate": "be6c998c37a2a764",
          "search_cost_category": "0a69e494522fd209",
          "verify_fair_price": "c80bf6ef0a5835fd",
          "verify_integrity_claim": "5c7532f082444b5a"
        },
        "canonicalization": "rfc8785-jcs",
        "unsafe_integer_scan": "clean"
      },
      "absence_vs_failure": {
        "measured": true,
        "tools_measured": 15,
        "discriminating": 15,
        "cannot_distinguish_pct": 0
      },
      "fingerprint": "verified|agent_card=1,compensation_disclosure=1,determinism=1,mcp_endpoint=1",
      "coordinate_derivation": {
        "derived": true,
        "window_id": "w2963",
        "salt_commitment": "0aba314082acc94c8b07cfbd52b3240adc238241da68db426d94cf3205942db8",
        "salt_created_at": "2026-10-08T18:00:19.214Z",
        "beacon": {
          "height": 971599,
          "block_hash": "000000000000000000005d11ad7146e09cfa888440ef0134cc050118507cf163",
          "block_time": "2026-10-15T16:54:28.000Z"
        },
        "day_in_window": 5,
        "tool_set_sha256": "9264a20c5207a96fedcc297ddcf593f286fee4c32e4b2bbbc83af26ad5507f9c",
        "tool_count": 15,
        "fallback": null,
        "reason_code": null,
        "why": null
      },
      "establishes": [
        "at 2026-10-21T18:01:21.357Z this gate (commit bfbef4e61fbb, version 0.4.20) measured https://mcp.horizonshield.dev/mcp and recorded status verified",
        "conditions passed: agent_card, compensation_disclosure, determinism, mcp_endpoint; conditions failed: none",
        "every hash in this record recomputes from the bytes it names, and record_sha256 recomputes from this record with record_sha256 and recompute_note removed",
        "the measurement instant and the tool measured were derived from a committed salt and a Bitcoin block the subject did not choose (coordinate_derivation)",
        "the agent card was signed with the key at https://mcp.horizonshield.dev/.well-known/jwks.json (kid hs-2026-09), which is served on the agent's own host, and the signature verifies over the canonical card, so what the card declares is attributable to the operator and not only to this gate's observation"
      ],
      "does_not_establish": [
        "correctness of any price, figure or answer the server returns",
        "truth of the compensation declaration; only its presence and shape are measured",
        "quality, competence or fitness of the operator or the service",
        "behaviour at instants not measured or from vantages this gate did not use"
      ],
      "record_url": "https://gate.horizonshield.dev/record/58d338a7de1001cdda9852716c4c2f0538229db6ca66c22b8463686818832cb6"
    }
  ],
  "retention": {
    "kept_max": 400,
    "note": "The gate keeps the most recent 400 records per endpoint and drops the oldest beyond that (30 until 2026-09-05). Entries are never edited, but they do leave this response. A monthly ring (nenrin-ring-v1) needs the full month, so export before it is gone."
  }
}