Evidence row 3945017

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": "2026-11-07T09:17:29.44457Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:29.44457Z",
        "updatedAt": "2026-11-07T09:17:29.44457Z"
      }
    },
    "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": "1.16.3",
      "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":"ad5617b3640c34721fc558d1bdc97f492acba7c9ce1299bcc1e63c2bb0fb87b1","id":3945017,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043454178304,"prev":3775036,"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 2026-11-07 (195826 rows).

1. 0xe6cd9c78f223038446dd5a65bc25f4012a838362de5cb3a107d67ac7fc1ef684
2. 0x07b6511e4389cebe1c0956e90eb9bbcdd81eb480c60111cf4c6f3e300ad620e5
3. 0x09b7ed37882d77f3273b128792b4fe250f7584b51b023de4145e1af95b9e1254
4. 0x101ee410b7fd11707869a3bee8531538e0c9bffba7c28c0f6eb1797650c0f047
5. 0xd0934155db7ca5acc0168f783c2e1fbb6f1a5aa005ad548a1db5bd8be1bb6a86
6. 0xa7b48a937eae48057b89430740b758cfb684cdaba2006cf11cb7fd280f6ae063
7. 0x864d10c4fc77617b6371409d88507833406d1b79819ff7ad5427b0e9a7f03728
8. 0x414b13cac52e9f82cd21b48eb899b0d39bf9a5309848c35ba37fc682ceffcc42
9. 0x09e1ac1e533d4af52a4cd79063049d64a97cba3f35b91ea2bd7e5f276b895fcb
10. 0xfc2a3254d7348e8b35a5a39f6c1824341141aac02563010c188dddb70b0d2760
11. 0x0cba5d57e844571761c9ee50507461e9d922e5143f5a7a7e10960f8cb2513c3d
12. 0xab9284275fd67eda31ddd6d2ea701f8c59fec93fd58a3bf8cb5ac7a3c7c3cae9
13. 0xe79f2ce46cab03ac264319838ae3b783a627edc1ba5fa188c7c509f21c4e4085
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa