Evidence row 3957876

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": "2026-11-07T18:04:09.111209Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:09.111209Z",
        "updatedAt": "2026-11-07T18:04:09.111209Z"
      }
    },
    "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": "1.16.4",
      "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":"66a87547acfdcf6f54d76cb2c1c94004d33702f32bc4141e0f630000a947f120","id":3957876,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075893379929,"prev":3945017,"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. 0x6b41008582782c081c92b76d7ec3adb8cf9f69ce8751b5fbd7fe08f9877446ae
2. 0xa970a98c1409d995cc44c1c14f21413e44a235be05682cedae66bfe2c836f5fb
3. 0x7f2b67bd7279c5f602f09b0f470671061d9d8c15bacd073bff7ab6c9763db623
4. 0x306ba1fe88da6500f43c7b2565b5d81b9038a738117107b1c8e340656f4cf218
5. 0x398e66408f4edaa3639c82d4682d04d95445a6b96f90ebe8126d624454ab7384
6. 0x15c7a820fbf083e378920dadec26b2e65fb5f1040f297fdfdf1d7ffbf5a0aa02
7. 0x4ac620f269134f5a9144dad6daf37f6f86030491b2072e984ee4d96a012bd83b
8. 0x58a416c70936313c0f7fc104eab7771d219b9dc6618d5ca043d8b261a40c8382
9. 0x9473ae0c4277fbe3b3a8ab7fe586769236bf894ce162006edc918267923f0bec
10. 0x4f17bc4ee94aa493db0ece2bb19ad76466deb65db589ad148e2bade8c5dc98be
11. 0xe760c51ad5d84253d68c1196dfd4213d9b6a7ab9d23974b3b7a37736139fa30f
12. 0xfaa6d3b2121bd049ccbf27f88a83d49d00cd01b9d118f9c36b6a0c45779d5b5b
13. 0xe5801f2d98f2783a9d774362088619c8104163c840e21fbf269ac5c455e9df78
14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa