Evidence row 1481838

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": "2026-10-31T10:53:28.591877Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T10:53:28.591877Z",
        "updatedAt": "2026-10-31T10:53:28.591877Z"
      }
    },
    "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": "1.10.0",
      "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":"6540ab2d485214126210550d0ab594610d31f257ade0987409e006d74b67a8d8","id":1481838,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793445357331117,"prev":1257480,"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 2026-10-31 (246033 rows).

1. 0xaa85644700967c8e1eddec2a002db87b2efdbc93d75ccbfea23b098cf3c678f8
2. 0x982b7798f37bf44e2e5a2f0fcb52ee4f894bf11ce454347037d8d3617b8dc8de
3. 0xffd3ee883ed31a678b204b8b4eca95921339b45cbccc267fdb3e06a6b21f731d
4. 0x0904627b4d68f08a4292faef65d502eb48ea5425ebb5f794b7a2f2c33eb8b5b0
5. 0x6694362825fe0cce3e86a3c53a8a61ebeff760e21f47abd168ee5bb562f3db75
6. 0x375e5483b23dd0f5eb43c80d705e62beb703fa00d9a253fe34ab75340c6a78b7
7. 0x8feb9c4dd8c5ab275b5055f26a9abc68125ea26f4183270fc530c9d13cc2dd18
8. 0x2950d0c60c145185043253475fa078433471d15abba91f32836bd59e72c1e5ab
9. 0xbe1bed1a23f5260a6b01b354d2c888141e7e7dfd9de0208f11987b7a2f7e9090
10. 0x8193b39dd8f54b2be84695d63b645ecd6f8972e50e9111bb99906bd56a18d927
11. 0x9294aab89ddb78377bf93c28a66273bfc4971d38ce6c3f079a779821703bf857
12. 0x0b7b2aa9c6e574b6b185a1c5f3cd6190e5f1168ba0b13ca46fdef6279c6fde23
13. 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0