Evidence row 1485431

What was observed

{
  "count": 5,
  "tools": [
    {
      "description": "Compare 2–4 Agent Index listings side by side. Facts only — not a ranking or recommendation.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slugs": {
            "description": "Array of 2–4 agent slugs",
            "items": {
              "type": "string"
            },
            "maxItems": 4,
            "minItems": 2,
            "type": "array"
          }
        },
        "required": [
          "slugs"
        ],
        "type": "object"
      },
      "name": "compare_agents"
    },
    {
      "description": "Get one Agent Index listing by slug, with the canonical page URL and source citations.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Agent slug, e.g. vanta",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_agent"
    },
    {
      "description": "Get one audit firm by slug, including listing_tier, the Verified flag, and accreditation registry URLs for official cross-checks.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "slug": {
            "description": "Auditor slug, e.g. schellman",
            "type": "string"
          }
        },
        "required": [
          "slug"
        ],
        "type": "object"
      },
      "name": "get_auditor"
    },
    {
      "description": "Search the Agent Index open dataset of GRC, security, and operations AI agents. Defaults to the main GRC directory. Named products from the agent-security catalog are returned as a separate agent_security group. Pass segment=agent-security for that catalog only, or segment=all for both. Returns canonical theagentindex.io URLs. Not a ranking.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "Agent category slug (compliance, security, risk, privacy, business-ops, code-security, or security-catalog slugs agent-identity, agent-governance, agent-runtime-security, agent-secrets)",
            "type": "string"
          },
          "framework": {
            "description": "Compliance framework filter, e.g. SOC 2, ISO 27001, HIPAA",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "pricing_model": {
            "description": "Pricing model filter, e.g. annual-contract, usage, quote",
            "type": "string"
          },
          "query": {
            "description": "Free-text query over name, vendor, summary, description, categories and frameworks",
            "type": "string"
          },
          "segment": {
            "description": "Catalog segment. Omit for the main GRC directory. \"agent-security\" for tools that secure or govern AI agents. \"all\" searches both. Default excludes the security catalog.",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_agents"
    },
    {
      "description": "Search compliance audit firms in Agent Index (Verified and registry-listed), labelled by listing tier. Cross-checked against official accreditation registries (ANAB, UKAS, NABCB, PCI SSC, HITRUST, FedRAMP, GovRAMP, Cyber AB, CERT-In, ISMAP, CPAverify). Not a ranking or endorsement.",
      "inputSchema": {
        "additionalProperties": false,
        "properties": {
          "accreditation_body": {
            "description": "Accreditation body, e.g. ANAB, UKAS, PCI SSC QSA, CERT-In",
            "type": "string"
          },
          "country": {
            "description": "Headquarters or office country (US, United Kingdom, India, …)",
            "type": "string"
          },
          "framework": {
            "description": "Framework tag, e.g. SOC 2, ISO 27001, PCI DSS, CERT-In",
            "type": "string"
          },
          "limit": {
            "default": 20,
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "Free-text query over firm name, headquarters, frameworks and accreditation bodies",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "search_auditors"
    }
  ]
}

What the leaf hashes

{"body":"a1deb96b7679a4c1f59a73263fa447bed33dd072229ad0400b7522a3349db41f","id":1485431,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793450005693409,"prev":1258000,"subject":"f8f3cfb6-f68d-4189-8a78-87b1177fc38a","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xf67eb277cf5a1550128dbdd9638c36cdf5d7c85ece41d9ed963f2b78e6b9b675
2. 0xe9b7ccec1c37d903ce347166aca97e1cdeb28ba80b81359f6dfbb4030f0f75e5
3. 0xf6f25b74a14fe1f8fd0fad39f156d7095502442a1998b0b41b123bbb94e01eba
4. 0xd66b20adac860f05786cd3fbe13152d96d40205f9d959cea3b75b7db1f9a01cc
5. 0xfb9cf4296d81288c54d374f88337549c9c6d67c1b9ffd32223490cf3050dcf0e
6. 0x5048a084fd92ee91705bc50bbf366e4542a17f6c750a21e7eb09d47c38216610
7. 0x3776c61e63425f43f57eba34a5fea0cc63747069220bf199239dbf427e89bebc
8. 0x75288da2f19888bfee3051255b94db0a914dd58fccbf8c202dbfa009b26e3105
9. 0x58b0b2487fa7656aaa4ed5f4b2a868d6ce89a47807d41c1a4bea2a61f7d852fc
10. 0x61e87ef27c7d66b04271a3aec2f01095d04092c1ef2b7d8546d8f05753806680
11. 0x8f28e61bc5a12ee02234cf60f0d410d5470a8c5036d4d80983b39eb0373d434e
12. 0x257aff49e770984fa31911e2b366f8595a540bfa8bd0992785ea8cbbf02e6ffe
13. 0x35aeb2af720d62e4e729c2722ba5be89b317dd41ceb7710fd363aea93b412c29
14. 0xb9926eb0976a5b473833dada1e63c048bf8ef05dbd747135d29c85140274baf8
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0