Evidence row 1257480

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": "2026-10-30T15:16:06.598389Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:16:06.598389Z",
        "updatedAt": "2026-10-30T15:16:06.598389Z"
      }
    },
    "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": "1.9.2",
      "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":"06c8f8bc9a25434726b04bdb55a791f037e9a42a30b66ff9067ce1b961270075","id":1257480,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376928646990,"prev":1249490,"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 2026-10-30 (243099 rows).

1. 0x823541b1b0beb024e9f242edd59162990727268645feb6fc0bfeda3feccd5014
2. 0x97ceb4d410e2808d35a3bfe3c4e92ce7fec95bd7c2894f4a919af1610c85173d
3. 0x037bd5801148a9dd0e3425a42be07734dd266c10ce9e72653f7eb118efcdd706
4. 0x863ca0f470e3d8b294e91e8c048cdd3ffada582894353057cdbdff5310abc10c
5. 0x1ac2f7ab44f6e48033517cbfc3dd721da9518c5ac6a3682e5cba0705800e487c
6. 0xe76ef94bfca94410be362d373394f7b66d31e46950b2a7de4c0789152b959284
7. 0xa988fbf4a256f57712183cade1bd1f46b37945edb3a610ff61922baf601a73e3
8. 0x9764a49891b1281671e92d3d1f5d294498c90ef2985d09e3d790f01de464c780
9. 0x985158c80a18651e6443ddfd13b7dc0b98933c550f8ef08e30e83b299b2216dc
10. 0xf07d3e6c09355944052d6499f8cf17c9d384e28caa427caa56637b8af554ddc8
11. 0xb6f159a45d11e217321f5b167039fc2611dce674daf03115b93f4b8241c85536
12. 0x79428b3f9b70cdefeefabb76ccc48d190eafc8c9b15ed30ce0a8c43d319c4272
13. 0x386dbe0266e62db019a818ac71a5b2e72b65071ce2bcd7f64efaa40322e5f002
14. 0x2cc23d59d659d5b819934005bab57d036b04ff4c8b701cb0e274c40aaddb2d51
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861