Evidence row 290786

What was observed

{
  "count": 1,
  "tools": [
    {
      "description": "Check up to 10 email addresses: syntax, whether the domain exists and has mail servers (MX), mail provider, disposable, role account (info@, sales@), free provider, likely typo with a suggested fix, domain age, SPF and DMARC. Returns verdict (deliverable_likely/risky/undeliverable/invalid), score 0-100 and reason codes per address. Does not verify that the mailbox itself exists.",
      "inputSchema": {
        "properties": {
          "emails": {
            "description": "Email addresses, also \"Name <email>\" or mailto: links. Up to 10.",
            "examples": [
              [
                "support@stripe.com"
              ]
            ],
            "items": {
              "type": "string"
            },
            "maxItems": 10,
            "minItems": 1,
            "type": "array"
          }
        },
        "required": [
          "emails"
        ],
        "type": "object"
      },
      "name": "validate_emails"
    }
  ]
}

What the leaf hashes

{"body":"5e34839f8ceee790775d2a7fe16dae2a91bf1210e5fd14a5e5d9a605f6c7dd84","id":290786,"kind":"mcp.tools","method":"probe.mcp/1","observed_us":1793047550462941,"prev":null,"subject":"e803b23c-6a33-4384-9d2b-052cd199fc14","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. 0xa432d7eee6c7bd040f73850a74579b94904712b4d69a70b712af99c5631db70b
2. 0x382e5d7b22985b00d0eaa40b6f9736d03667e7514484349977f2dbfd46c519ac
3. 0x519ac389dc8251af397d1a9dc44f648fa79909a357b87b1c4a262f2896d29b87
4. 0x5af20043fc631f1efe42d4c1595b1d0cd5fc65922847582456e2244ead7ccd9a
5. 0x94dd8a5e4b922877776dd6fb5b22272704d34d98d3bb86b91a6fe9fa4b7d7ee2
6. 0x719cd193b1bbd9436180af888d185c8f05375222b346c1838ea5ad8f287f8704
7. 0x014486d07aa83f0408cbd7c4427ac37d88600e077cbc074629712650bed249ae
8. 0x596161fcb836cc14f9f7a805feea297801520079e5ec1b51bbabe3821bbd9aef
9. 0xc7f2f5b3daead6ffc6655816ed90d85a4642b08e84aa867c9b2ca924dc7a356c
10. 0x98005a23cbe74a9cdea08497a91d96ddecf46b8942b406963266e78529eea12d
11. 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae