Evidence row 1830319

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, guardrails-prompt-injection, mcp-gateways-scanners, ai-red-teaming)",
            "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":"072c43a317d946dea5944b67508e3cc72c7a2cde3cf038d560b8ca9c5e126701","id":1830319,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793568677836345,"prev":1485431,"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 2026-11-01 (302406 rows).

1. 0x420309e600c193a7f496984aca77864651b579937bffbd9497a4abdba06a0844
2. 0xb622b2daa9f35e12d4e654dc492b5c93de6ab747d9fcfe9c7c4dd3360b348699
3. 0xef50d9fbdae7e3fb72c42c63b3431a9f0cf181db9439d47e044fa06cab4300c2
4. 0x3ef71b178a0766658107c60de204f9bc2c22255e2f6fbb31b35c72cd019ab21e
5. 0xfe138393111e1692215b70855c22afd2f7c46dc3350b622622c7799b94d39e7c
6. 0x26e5a5340fec40d502fbd1ae51fae0a0623974ca1605c3383be22484051b34c9
7. 0xcdb57f7d3b115f09c671b0bd296b481380672867744f3583f09e4273c638aa29
8. 0xc7f776664d70bc9a795da8f34c3f07551d327c74966a2982eeac6e3269c1f272
9. 0x58b281cfd4bf7e11417692376597243fdeb1ce8c4a93fea4b33ce43cbda8d42e
10. 0x8b13e287b7787018186dcf583940e346347f1bd5cd8615710142aaecf8c25cbb
11. 0x3807fb16007e49b2857eb297cdd29a4aefeccc10b8d4ce23dd38429b36f046ac
12. 0x7e6a909e94d1f8837cab15b651ff95e7ac83fd5ae3cade1b35a9feb386827986
13. 0xb0ac6ba344d3036c1dcee62f9b248fb9e72f51af0768ac256a6f2e19b8431780
14. 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90