Evidence row 1538241

What was observed

{
  "endpoints": [
    [
      "web",
      "https://agents.noahsarch.tech/"
    ],
    [
      "mcp",
      "https://verify.noahsarch.tech/mcp"
    ]
  ],
  "name": "Email Verifier",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T20:52:46.417841Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:52:46.417841Z",
        "updatedAt": "2026-10-31T20:52:46.417841Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verify emails: syntax, MX, disposable, role, typo fix, optional SMTP probe, SPF/DMARC.",
      "name": "tech.noahsarch/email-verifier",
      "remotes": [
        {
          "headers": [
            {
              "description": "API key from contact@noahsarch.tech (catalogue and free tools work without it)",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://verify.noahsarch.tech/mcp"
        }
      ],
      "title": "Email Verifier",
      "version": "0.1.0",
      "websiteUrl": "https://agents.noahsarch.tech/"
    }
  },
  "source": "mcp_registry",
  "summary": "Verify emails: syntax, MX, disposable, role, typo fix, optional SMTP probe, SPF/DMARC."
}

What the leaf hashes

{"body":"0c42ad1e099ba1b8f97e7883ed5e90aa24266f48de3343201338e6ad6bb02c1e","id":1538241,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419841533,"prev":null,"subject":"mcp_registry:tech.noahsarch/email-verifier","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xf6c8ef196e43e426cc9d5a30a5d41d6bf506e9ce6f2ffd0b99e40f2ebc8eb2bb
2. 0xbfa8c6bb5bc37f87121298ba03b780a350b70c91d36eee49476c21dc3418855b
3. 0x0f7bc130e712fd1dafd61a5792982fd6f887743ffd23792995a53b1348d9546b
4. 0x5d685eba48349e22d5b7d446126da876d81b6d8f255c87c9795841c2ca89828e
5. 0xabc0378f6cdd271205fbf60e11dcc4f7059628cbee991f40729cae50c4456652
6. 0x052114b4643689a3922b523f1e9a5b94817cf058ceeea2ec80a1cab5a33f5982
7. 0x0b43c15e9b7de284da3920f26e563bf0dc57a8f109fbac2ae27976bec681b45d
8. 0x3d63f043f8d5f8a0e522dc034f5bd7cf3d40bd1d04716772bb01bf00593db13e
9. 0xd9319b05538d2ed104cc694ab32d22b5bcb0a25e13b70710cc3e17e90481710c
10. 0x9b43ec6d8099d7df63079d87ef20a2da21c1ab4c21d365c0244d1db4dff0309e
11. 0x8f28e61bc5a12ee02234cf60f0d410d5470a8c5036d4d80983b39eb0373d434e
12. 0x257aff49e770984fa31911e2b366f8595a540bfa8bd0992785ea8cbbf02e6ffe
13. 0x35aeb2af720d62e4e729c2722ba5be89b317dd41ceb7710fd363aea93b412c29
14. 0xb9926eb0976a5b473833dada1e63c048bf8ef05dbd747135d29c85140274baf8
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0