Evidence row 56527

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": "2026-10-25T22:35:16.538691Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:35:16.538691Z",
        "updatedAt": "2026-10-25T22:35:16.538691Z"
      }
    },
    "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": "1.4.0",
      "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":"d59dfac4a6f202d3959f12cdbad1ee0e6e5299ecdb406b80d04d9acd6256053b","id":56527,"kind":"listing","method":"baseline/1","observed_us":1793025440066328,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xaf85e9480bb604f4726b241294d527dd75cc9d79672d3418bb217363d2433644
2. 0xb8e0ad063be2d8dddcdd38d3defce7102977ac4d6111ddfabed351c681906566
3. 0xb9d95cfe2f05f8b74ef4f07f82ca910fe7353ca67eed50a001db11ee38064a9c
4. 0x32276208f7057565c49443e3c9c9c775fc6bdafa700a2d66717175128fc3972d
5. 0xcd4f742a99e4debbd228d011824fbed07d974b5daba7d62b55cc2b2220a43839
6. 0xd72c1a10496b70197c1716ffa3e5a8b2cb8e0212cae9b6ff4962eae5b24a376f
7. 0x0afbc4d0d9c3a2b72534cdd5c23ded48490399ee80787606f80529b0216dca38
8. 0x80035696c0363eda2183ab4eb1400a319549c5f8e0607c7011f93ea02244d507
9. 0x72ee242bc0e5ab60c6446aa0270adff2ea2d6f2181561ec391e6fd3e22647c75
10. 0xcfa4bc1519c21b2a859b102250a82fc790ed215209a4c0fbfbe223ddbae52cad
11. 0x863ea2425c8cc958ae125e95c3e3170c9ac576a8c72849cb3f596e616b6fd6a8
12. 0xd17258d4f01d074dcaf38f36218b36058144c3d50c3b488953a815c54d6674d2
13. 0xe292b5a99219f136bce6647ce74b21240a1c7331d2475b1839220fd363c94217
14. 0x3b4dba7d874fc323b0a364140a9c60f37bf547fe671897653118a9873fe03420
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae