Evidence row 265031

What was observed

{
  "count": 2,
  "tools": [
    {
      "description": "Validate a single email address in real time using NoBounce API. Checks RFC 5322 syntax, DNS MX records, 5,000+ disposable providers, role accounts, free webmail providers, typo suggestions, and optional SMTP handshake.",
      "inputSchema": {
        "properties": {
          "email": {
            "description": "The email address to validate (e.g., contact@github.com)",
            "type": "string"
          },
          "smtp_check": {
            "default": false,
            "description": "Perform deep SMTP mailbox handshake (default: false)",
            "type": "boolean"
          }
        },
        "required": [
          "email"
        ],
        "type": "object"
      },
      "name": "validate_email"
    },
    {
      "description": "Validate a batch of up to 1,000 email addresses in a single call using NoBounce API. Returns per-email validation results plus summary counts (valid, invalid, disposable, catch_all, unknown).",
      "inputSchema": {
        "properties": {
          "emails": {
            "description": "List of email addresses to validate (up to 1,000 emails)",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "smtp_check": {
            "default": false,
            "description": "Perform deep SMTP mailbox handshake (default: false)",
            "type": "boolean"
          }
        },
        "required": [
          "emails"
        ],
        "type": "object"
      },
      "name": "validate_emails_bulk"
    }
  ]
}

What the leaf hashes

{"body":"27baedd5c7c17b68ea4f344043fcad2016cba95007c176f8b4dfefe7b6d4b8c1","id":265031,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793034570397053,"prev":null,"subject":"702c489e-d9ad-4f2e-9de8-a3b62936002d","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. 0x357ebbd7beb1d7612992fb72d42f457ee79b9b834118d174bb5ac11f74638c34
2. 0xb2651c3200d147371d89ac835032d73d5f7aa81272212065859009f1295a1c2d
3. 0x684c5b303d4b5e175593ad985fc2ba5b965d43519cc48d195d836b0e0a926ed3
4. 0xc1ed07d7ae6d36b82f41b1df35a1aaee57e5f004f2235181938f5400c28eaa78
5. 0x5bfc52ec65c30de7844a5b69c610696aca03aa9c4f97547907ba4b5dea32b202
6. 0x5691f7f02d0674dcfd1fe14576f8db3e74bedca98dd171afca7acad198e9bc14
7. 0x103e6029d0c5b242063d52b835550da6372bf2d88f5aa2415aef17fecf890a78
8. 0x051787f280b1929906bdd7adc1ef81d46fabc2240bd8ae24378483c851ca6c07
9. 0x22c6c669d925fab3e5126f017569e4787de0c18be4729cfed8f8720fe174c47f
10. 0x36bec804120016062991795b06589946d6f9108ba9f84ace37bda5ef8cca7e6d
11. 0x30ae64b0356d2a2933965306373f46f4bf64268b5a265594ef3370f079c19d92
12. 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae