Evidence row 1005238

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": "2026-10-29T07:45:37.722803Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:45:37.722803Z",
        "updatedAt": "2026-10-29T07:45:37.722803Z"
      }
    },
    "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": "1.8.0",
      "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":"c717cd7e5e144e70f86fb87bb13a74bdc1e044ad4dcf949ccb6ecbf633a93069","id":1005238,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793261579179577,"prev":800646,"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 2026-10-29 (242798 rows).

1. 0x3796f4cb715d4f22f1b4567a051efd1fe12219802219997160805df0a526599c
2. 0x025e29bf77c996838ecdfe7ec4bb865a0138bd0cacb6fc6c91e31d22c678c5f8
3. 0x20d57498bbffc8e72c60524ca0516ca937173be2592175e7a98852f3d798b71a
4. 0x6d0055404314b90f41b09a371acc854b4342ab38796a1a3f3a668220f3db6a2b
5. 0xa7d670fa16ff59bc6e353fbc46bda242e690643c8d6b9050b82b831c03414739
6. 0x8b16e291b17add91171c5f92e293b3c7c903070fd3bd5a630fdf63a63991d423
7. 0x191766450d867beade041a5fce0dcf309f8cc1aa96c17c0d277c9694910763a7
8. 0x20590da36e32bbdb434eb34394ba650a42db2f75e32979ea100f5f76d5136ba4
9. 0x7c33b01db47f212421537ca4bdfc0386c7eb7c2fb1a9ddae31a6bed2cf00f979
10. 0x7e81a3570083ee0d30b97408273002076e3652dc89729535ef11cd76dc71c58d
11. 0x611bae170a3899fa32498383ce4cd6a5a0294873257d35671a37989415a11dab
12. 0xf263f333c8c485cf5337038fbf8ef7f659451dc5ca8df99ec28193bd7fd622af
13. 0x809996646fa50ff3941cc94a2858e71348d102933af591ad4e5ca0614e67f0a4
14. 0x14b86aca7e0af6917fa29c5b89b8f3eab1f2340a671c3d06e6ac6a34fd3a07ee
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1