Evidence row 1258000

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. Pass segment=agent-security for the separate AI agent security and governance catalog. 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":"62283c3a562c9707bc9363bd0b9ca7783cda0921a942ed3c283325ccf8987568","id":1258000,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793378361442156,"prev":738914,"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 2026-10-30 (243099 rows).

1. 0x94d72de3b6b9504794bf9949d4eb444ee8d02b69e7ae1839f8bed0886a33a9e3
2. 0x80e641eebac81e2288d5b8226759650183702ab672f10968c8365fadde5ae13b
3. 0x3c1e2f8ce3de59564a1cb4d861ee0b37e6392b080927cf53759bfc2360ce3fc7
4. 0x88871131137c9b366e44f0bd3fac50e439cd06a499b5269eef7a346bf55e48d5
5. 0x584631302164f38afbdd1b0408b432291b1f2b71c4ed01c08372f84c0af49f49
6. 0x178c4c8b16dd09acd26b7e87d5fc93d10e4785e478a1953ae1e338d0a3c7363b
7. 0x3523667226d3dce8a93e324ff07035221ad92c8ca9d2b703b382cdcc19da8917
8. 0x9155869b1ee146114b47afa08a57bb6ddc31f370bca7c5dfb8df49027e7d0280
9. 0x7633659fe15fd93900694f1c5302d74423765079deb20ddebb192bd70ff566d2
10. 0x72f5448f468b07acc571f38099335c2dd919be0c64241163e1fa2be7b739e0b8
11. 0x12bdceeae9889207f029a9fe31c43d537c1be5efda4cf4b3745e16c9e28905fa
12. 0xf9b7ea19cd8b9aaaf832b35ddb7bf2e52aeb54c6362fa951144219d07856c660
13. 0x7d1bf48d5d64dd078f722c5d54a57afd7c7264c947c587f6fbc3d1add4080eb7
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861