Evidence row 258123

What was observed

{
  "count": 4,
  "tools": [
    {
      "description": "Check domain reputation: MX records, SPF, DKIM, disposable detection, A record existence, and overall reputation score.",
      "inputSchema": {
        "properties": {
          "domain": {
            "description": "Domain to check (e.g. gmail.com)",
            "type": "string"
          }
        },
        "required": [
          "domain"
        ],
        "type": "object"
      },
      "name": "check_domain"
    },
    {
      "description": "Detect common email typos and suggest corrections (e.g. user@gmial.com -> user@gmail.com). Covers Gmail, Yahoo, Hotmail, Outlook, iCloud, Protonmail, and more.",
      "inputSchema": {
        "properties": {
          "email": {
            "description": "Email address to check for typos",
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "suggest_fix"
    },
    {
      "description": "Batch validate up to 100 email addresses at once. Returns individual results plus summary stats.",
      "inputSchema": {
        "properties": {
          "emails": {
            "description": "Array of email addresses (max 100)",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "required": [
          "emails"
        ],
        "type": "object"
      },
      "name": "validate_batch"
    },
    {
      "description": "Validate a single email address with comprehensive checks: syntax (RFC 5322), MX records, disposable domain detection, role-based detection, SPF/DKIM, typo suggestions, and risk scoring (0-100).",
      "inputSchema": {
        "properties": {
          "email": {
            "description": "Email address to validate",
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "validate_email"
    }
  ]
}

What the leaf hashes

{"body":"f8812267153c768a56fbec951419fcb0494dfa2516593f9029b16896a3352b5b","id":258123,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793029945055534,"prev":null,"subject":"8fd763f4-a10e-47f3-af84-3aa7af862db6","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xfb112c7afa637c01a200ab72164c28be44416926d9182000687b2c858c9a3985
2. 0x148033e5c5ed26ad9c85317cb6e7d8d1f612d32ce79fb3b207e82f4380c3306d
3. 0x3ea4c4b7e8c732c18f825293a42447c01dfaaab6dd281c25991e342b3b570a03
4. 0xa305660126bbd23e801977ef3864db941a3ac5ef9035665fefdcc0a6809a02df
5. 0xbee5cb0fa23c33d0095e659e9d08b40958fb332da511a384aa52723e92cb5a19
6. 0x53813be7d4f5be8c2a608b2010bc7d5b04bf59c6a8e97b9c70241c07565de52b
7. 0x77adef1dd0196423487df7c0327a3f44964f85a56b8a6ccd37276067810b768c
8. 0x87ef29fed265f05e3b3b87fedfc9614ae91c736eae7e0f03352eada2e822dbc1
9. 0x49de922f45ee007e42e49298c5ee4bd4af64ea3d208ef9bcd71ab648f616bbce
10. 0x1b07c7876c95e52802884c5d693a686ed53bb8a2740e3d87b145fb511a8d605e
11. 0xcf10f42f956ec0f58e8d60fb00e23c6415064b00d70e8566efe0f1b98e7e1d0a
12. 0xf8173f36b7a27e1bb0f6961a49501bba1d99349c5e11449d0d557fbaa910be0a
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae