Evidence row 1544873

What was observed

{
  "endpoints": [
    [
      "web",
      "https://agents.noahsarch.tech/"
    ],
    [
      "mcp",
      "https://idcheck.noahsarch.tech/mcp"
    ]
  ],
  "name": "ID & Format Oracle",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T22:22:21.32573Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T22:22:21.32573Z",
        "updatedAt": "2026-10-31T22:22:21.32573Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Validate IBAN, BIC, VAT, national IDs, phones, postal codes offline; 240+ identifiers.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "64x64"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch-64.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://agents.noahsarch.tech/icons/noahsarch.svg"
        }
      ],
      "name": "tech.noahsarch/id-format-oracle",
      "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://idcheck.noahsarch.tech/mcp"
        }
      ],
      "title": "ID & Format Oracle",
      "version": "0.1.1",
      "websiteUrl": "https://agents.noahsarch.tech/"
    }
  },
  "source": "mcp_registry",
  "summary": "Validate IBAN, BIC, VAT, national IDs, phones, postal codes offline; 240+ identifiers."
}

What the leaf hashes

{"body":"dc251baf23f42103374c60d928048b81a02c3fdeba00a91b0a9bb8f966b60d10","id":1544873,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793488625890902,"prev":1538243,"subject":"mcp_registry:tech.noahsarch/id-format-oracle","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. 0xcae762d75c69c3667111c0711cb512dfb058dcc2e9d2bd85525e75a1fe3877bf
2. 0xb5752256951a831343db858213e88e231ed07c99e82dcdce2cc86c5e44eccc5f
3. 0xd5bc4ae08b5174ac41da5a197d0ec12417bb238682dc910a8dfda21030f03d53
4. 0xe140c47c18db1f3329a8bda031dd681f9b7a0371216b57aec7955cde05ee5aa8
5. 0xdaa9adf2c1a07b3aa55017fac8c8f7b6ccbf3f5e8951476fcd119ae76d4907d5
6. 0xa515767197a3d8955ec603937da8d694c7b8f2607e99566d690a77f34b331884
7. 0x4e1a48464528f099b2e6ce3e1194caf1aea77093ace91e249afd4b5b0ef6c0e8
8. 0xfcd5adbba736ffbe442b5ba549e7b190cb4942f6ad317a4e3bcd34d6c84535c0
9. 0xf9a91de9cfdc99714834fe6f6f214b38bbeb2f53608103258b4a116a7580e8a8
10. 0x4ca687ec8d0e91800baf6083f48546627dc96e599faba7c83252ca8cf480cc2f
11. 0xb06a723337cddb8dc6ef8684bbe3adcea832d8381a41205ae70784d55b8dc0e9
12. 0x437aebbeee2b4ff0f11d394da257d0336fb0063e2b4e1f4eebb05cebd50c936f
13. 0xe0d6e3ecef4b18411e0b397b43270df35fb812a3310b2887db923fb26c7ba65e
14. 0x9b9c034ab0236a2e232e78d82d298819198dd0da36f638cae5260bb378f14798
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0