Evidence row 58227

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api-eu.email-validation.org/mcp"
    ],
    [
      "mcp",
      "https://api.email-validation.org/mcp"
    ],
    [
      "web",
      "https://email-validation.org/docs/mcp/"
    ]
  ],
  "name": "email-validation.org email validation",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T04:39:16.839603Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T04:39:16.839603Z",
        "updatedAt": "2026-10-26T04:39:16.839603Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {},
      "description": "Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free.",
      "name": "org.email-validation/validate",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <API key> or an OAuth 2.1 access token (discovery via WWW-Authenticate; see /auth.md)",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.email-validation.org/mcp"
        },
        {
          "headers": [
            {
              "description": "Bearer <API key> or an OAuth 2.1 access token (discovery via WWW-Authenticate; see /auth.md)",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api-eu.email-validation.org/mcp"
        }
      ],
      "title": "email-validation.org email validation",
      "version": "1.0.0",
      "websiteUrl": "https://email-validation.org/docs/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "Validate emails and run bulk jobs: status, reason and action for each address. Unknown is free."
}

What the leaf hashes

{"body":"7bd9c9f1b7faa93072cecc4f92d245ec5c01123be9ff6120dc5b7c3c2241c216","id":58227,"kind":"listing","method":"baseline/1","observed_us":1793025443979407,"prev":null,"subject":"mcp_registry:org.email-validation/validate","subject_kind":"source_record"}

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. 0xd6e5a77d4281841e2546897afc2973c0cf5504e1393a5e6be82edea874dabc0b
2. 0x59836809728543836f0619a897ab9bcd5a12ef8225ad345fb5c2f286ef55bb41
3. 0x0537994b3affb610162ba2d512d7c2a358764556c1e64f3342eca3686bf51524
4. 0x9bdad4ead3a7236c85afbd542626203e50adf446acc5fabd6714ae99c0d52705
5. 0x193adcfb2a0860352951863dc721eefb8234e16f288b55cea96c88da94abdc21
6. 0xc311013bf706e905d16125bc55e253907c70ab3d84d43627f8c4ef9c2a58bf20
7. 0x1bfd4879fb6388aeb5d84d227199095aa7b9f16dc2cb95e875b72ec42ea8888d
8. 0x17c9fc37c2dae1c12f78a16ce4bcc248b995e2966f612e7e9304304ce3e9844a
9. 0xda40352f4c3e9bb16eb1be95235380e545a169dcbe4a5adb1d4681bd81972196
10. 0x206287918135573a87e376ef5dd28f3e452e64e037a8e2c8a8f5db3f0e0e7d4c
11. 0x681ef979e2591e4ee00c2230855c75508aa926b1abc5e4e5e6a9348a15261045
12. 0x39d84ffb833c94bfff15760ea7da987f5303e407884de386d5a33b2328c7d785
13. 0x3199db04c2c73c3483386a86bf503eafde5af103465608156e2e5f42e72a6fbe
14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae