Evidence row 14812

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.emaillistvalidation.com/mcp"
    ],
    [
      "web",
      "https://app.emaillistvalidation.com/agent-gateway"
    ]
  ],
  "name": "Email List Validation Email Verification",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-08T21:55:56.154922Z",
        "status": "active",
        "statusChangedAt": "2026-10-08T21:55:56.154922Z",
        "updatedAt": "2026-10-08T21:55:56.154922Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.",
      "name": "com.emaillistvalidation/email-verification",
      "remotes": [
        {
          "headers": [
            {
              "description": "Bearer <api_key>. Get a free key (25 verifications/day) with the get_api_key tool or POST https://app.emaillistvalidation.com/agent-gateway/register",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://app.emaillistvalidation.com/mcp"
        }
      ],
      "title": "Email List Validation Email Verification",
      "version": "1.0.0",
      "websiteUrl": "https://app.emaillistvalidation.com/agent-gateway"
    }
  },
  "source": "mcp_registry",
  "summary": "Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key."
}

What the leaf hashes

{"body":"ccc930826e5b5f073a4db6f8248d1f05d87155ef460b5a8d6fd553f978cfaf45","id":14812,"kind":"listing","method":"baseline/1","observed_us":1793025318563123,"prev":null,"subject":"mcp_registry:com.emaillistvalidation/email-verification","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. 0xc9ab8fface4e4bcff0227e8a102a413222ee1da31aae08ce3c212379a65a7f7c
2. 0xa86e3f3bd6b85232b1ce72d8e647908c25a4c8bc07f1a8f6adf413460dc6aeb0
3. 0x049b25c80bf1a7bcc718324f72082078e225f78c5a3661956d4031145944c4d5
4. 0xc67c58fa140d9345e44def204a2f7ad297595419f32fdd42b03be0b449ecbe72
5. 0x7d1143e63ea912fb40b25fd67f622a8b2488c8537a223c667221f8b0c6203479
6. 0x8697ddaa87a3838faf2d5ec715fded7024344ce6b3828559562da30275da3e59
7. 0x3910af9d47ba0bd6fe82cc18399025c2a8c2af779209500a7e2cf5abe1ba5a98
8. 0x0dac4efcda2f80de1400fb79b2b053f5b444793766823527265ea74d4d742901
9. 0xce4e2841de562dad4274967139f459b40972663d477c18ea825eadd01ac07654
10. 0xff8a61dc0d7a2ad53748c909044ecbbf5355b001e1be01dd836899cb83511970
11. 0x60eabf7e1a3db5892c30621c19c096fd56eb4ad1f2ace810471d00503c868d2b
12. 0x02a11c0460d1a42b6246e1c715f0c3098d82c39154a56e918e2c22b56ca2c978
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae