Evidence row 3414083

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": "2026-11-05T13:38:22.433019Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:22.433019Z",
        "updatedAt": "2026-11-05T13:38:22.433019Z"
      }
    },
    "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": "1.15.3",
      "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":"d9a3a5c5404fd1933ec3228ffe06ed6f4315a331acf4cb77906492d7b476e36a","id":3414083,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495684169,"prev":3395833,"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 2026-11-05 (322504 rows).

1. 0x01d8bbb2c287752803740e6d73fb16be13fd58f5b187c9355daeed16392717e1
2. 0x770cfc6c1f04bc8a3528938f133d7326aefa9e00a75ff79ffcbaffd898105cad
3. 0xa34e4907ef2d47091df95f2ed53ecf1da816f82fae8c3430c9e55b0f736dd830
4. 0x3823c44f25a4a78e480732c0c36422afa3684bcaf6278f8970a29d35e592fadb
5. 0xf5672e3c1ea1385840bba2fb7a7b8bb9133330bd0aca6181b7445e7eac39ac24
6. 0x1d1d375bc765ef7e7da404abf031da40be9ceac4684c4a6143e9fc7381620978
7. 0x31ce93e4bc39976a73bf1e9538d4015f93e5b47d695cdc37de9defbc543699cb
8. 0x64d82e1b0cff09abde860cea1a9e52e2f36898444304cf110485eceb515b573a
9. 0x93c36832429a2950534fc4c3bf1f3c6fa5bc238b5db80be8533237d0c25c463a
10. 0x56ba159af8e6935a083852f42e3cba18c482875a8f22476a1864e43ff5d4b67f
11. 0xd4e3d4275148cf9c11583dbe71c8190628d5b735faec509eda1a76bbfc2c0dc2
12. 0x2d71e27917b742d71a94543d51ecf4e1fc49cb3cb806ea769cd223606ef9e464
13. 0xdb24986079e436c70388a0f26c8b78d5d2b9aa28faa702739aaf6eec9404795b
14. 0x5d36fc496d037ec98e2304f5b8c2425f6da27f5b7be3b3d0ce0dd8c43098ad41
15. 0x1ab38dbbab3f77cce8d03cd3f8736ca62b04c689538a6118189885b5d1be29e3
16. 0xcde4d0d0f64b40921f36a3f07dfe9c7256f1d0a8925aed414788c614314b871e
17. 0x0cdf39687556f127f9de2f03ec7df8e10e613bf9487760cbe3eaaaa02d8d48b4
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94