Evidence row 2546312

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://civicrm.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/civicrm/"
    ]
  ],
  "name": "CiviCRM MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:44.091743Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:44.091743Z",
        "updatedAt": "2026-11-03T07:15:44.091743Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Work with your own CiviCRM: contacts, contributions, memberships, events; log activities.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/civicrm",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://civicrm.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/civicrm",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "CiviCRM MCP by usefulapi",
      "version": "1.14.1",
      "websiteUrl": "https://usefulapi.io/civicrm/"
    }
  },
  "source": "mcp_registry",
  "summary": "Work with your own CiviCRM: contacts, contributions, memberships, events; log activities."
}

What the leaf hashes

{"body":"97aa2cbddfd3cc6b42ba5adcb045b599baafacef2d6e6d2140fe58427cd0386d","id":2546312,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690345520993,"prev":2130087,"subject":"mcp_registry:io.usefulapi/civicrm","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x0bb66ed2c79555155343def15bb3a0b07bb3a00db439169aeae303f13019f236
2. 0x9cefc89e8bbb2d8cbcd6002542a3a7b945630642b4c3386ae08485d116e50ee9
3. 0xfc0a648014f7fc0357478e0e1be9f3cc8f6436faa633a5a3c75602f6cf0e25fc
4. 0xc1fe70f1ad8765d7929ed6f50e8f40c0ba5c24111c935f0dcd087a77a49c9cbf
5. 0xe60d6b54a65446aa3cb1448d2529106b0f1ba7e523d7ae756f379f646d35f3da
6. 0x365359e380619c8928c6ca3a1a47b2b96ea5d65ecb4ca80eb8fb9afd5d65daeb
7. 0x74b91963e6a30eacb250bb3dcbec1dc77f59c52fb4b6bd6f7fc64a80ed1f9c0e
8. 0xd66c075a545bd43182e59a46e819c11264e41e89813025267b71563f1fd760fd
9. 0xa868dcfbd0dc553281c94ddd2333549dd15f9b286d736c6b4c2d0e324b636274
10. 0xc83c6ad198824daf683d0ccefb3e499c007cbc1a3677bb3c4c5c6aa36a469c9d
11. 0x397596e9fb49028a611c8dcc6c8484e6147e9e403b6e7a3bdbd66f69f1f7abf1
12. 0xfe6c1e47fa9082224161741f8fc4b2f2d642a73c16c335f4b097f0cd21aedb37
13. 0x77365e277a66401435f7d6ef2c2f391eb8bef5379137ac42138864d25b1fc624
14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7