Evidence row 1052116

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Check if a single email address is real and deliverable. Runs syntax, domain/MX, disposable, role-account, live SMTP mailbox, catch-all, SPF/DMARC and typo checks, and returns status (valid / invalid / risky / unknown), a 0-100 confidence score, reasons and a did_you_mean suggestion for likely typos. Takes 1-20 seconds.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "email": {
            "description": "The email address to verify, e.g. john.doe@company.com",
            "maxLength": 320,
            "minLength": 3,
            "type": "string"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "verify_email"
    },
    {
      "description": "Verify up to 50 email addresses in one call (for example a lead list before an outreach campaign). Returns a count per status (valid / invalid / risky / unknown) and the full result for each address. Duplicates are checked once. For larger lists, split into several calls.",
      "inputSchema": {
        "$schema": "http://json-schema.org/draft-07/schema#",
        "properties": {
          "emails": {
            "description": "Email addresses to verify (1-50)",
            "items": {
              "maxLength": 320,
              "minLength": 3,
              "type": "string"
            },
            "maxItems": 50,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "emails"
        ],
        "type": "object"
      },
      "name": "verify_email_batch"
    }
  ]
}

What the leaf hashes

{"body":"5428d21c40ca4b3a0150e41706c08f90995c67a78ceb0d0e7a61ddd7aac8c421","id":1052116,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793305394364539,"prev":null,"subject":"2430f59a-fe02-4c86-ac9a-19f7bcf095e6","subject_kind":"endpoint"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x89ae2488bd2f2eed754a4fba1b713ac28ec3a912acc36e68548585723a292306
2. 0x1b473bcd38c59ae43a616289f8f33fc9757bcdc8a76d82a970f3855df5131416
3. 0xd37577ae9e02f3cfbc392ea192573cedd5ac29c9135adf37dd87bba11067fd8e
4. 0xf256c9edb2eb8b6aa11dc79c081f79fd49381e1484589a46109d763a57567d3e
5. 0x4f7912e06ccc53485ec73dc3047111fb3044a76cbdb32418ec526a208026bfce
6. 0x7d83c7bbc06a7e1186297ca104cd1ab57558cf90ab977ad11cc02271a088a168
7. 0xa86fe37c19e4f1b02d8a01c05bb6c0863ba62b60b47f73c8fe1e115cd98a63ed
8. 0x1b21d708bf7203a8160523e7d03d301b70ccb277ec179c245e958815ab55a8a6
9. 0xf4ca2f2a00c6d4d6b9568d4c80e5ea1393dba69712b8d9238ce511411d4594f4
10. 0x3dc00c45d3d266775a195d57a3402faee76f2913506b40879dd2c2c47713a830
11. 0x00edd052b58c240b93144aa370cdb2499647a56731bb31b0e50ddd6b6f6c99dd
12. 0x91694dabe0e5115ef33bd6f7847592fceb3b65dcf3ce703dad697c5c50c4cbef
13. 0xd519d8cdd088f59ea3d3ee0d8729b8119c50d1c5b73da014b21e94026cb1006c
14. 0x738c5bd29ff2d2f8d7fd631baca705f1f09ba7c5f714efb8c3ec3626affb304a
15. 0xcf94ad18fb19d78b9bda4e21e2e80e6fbf3504f3f83fee3273c11933743525c4
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1