Evidence row 3395833

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": "2026-11-05T11:41:38.466917Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:38.466917Z",
        "updatedAt": "2026-11-05T11:41:38.466917Z"
      }
    },
    "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": "1.15.2",
      "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":"52687cdf664bf5ac2813626683c11cbd878b8ee569acc9eef45560bbe55ee0ce","id":3395833,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287724764,"prev":2726271,"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. 0x8481e7f3f7e40cdadd7fa3463504a29459bb733df91810dfeada3d35acf7a320
2. 0x39e9e320cf43567d85aa8c53c55cc463dc1a978d4c92d59bcdb497fd64daf202
3. 0xb47f8e0825c429edc0652ca234a78a72624244094e57b1dd2b39435a9d4cd28c
4. 0x3371124ef76ed039aedaa4397df3b472e3aff01e57fedea5886c74aca723d5d5
5. 0x22bcc863ccfc764391093922888827fbb0236ca489f2d4b663838ff978aee46f
6. 0x0ffe3d34b4b08fa7938086a44fd71e02c10fe44a77ca218f048f7d998424388f
7. 0x6bb9dda4d5839e67c913bb8cd3d7eb10d7b7ae421a449e207b6341ccb13db80b
8. 0x66cbf8ff58129bbf3a3b47605fa79de017632925e5cf7903da457c7a7c654f2e
9. 0xbb01f9795e218f7d37e86eb5f76bc9e78ac80f3cbaa20db4c0f22d5b8ac2bc62
10. 0x52ab61392708baeb97750c8aede386641cde956f8c2555ad8575757d3246de24
11. 0x58bdb473f670ee6508eb22b0cba7d368a54fceaadb5f6016be7639c7f7ff16c2
12. 0x267214f41f7c107556897a936ea4ae11233904c2653e897e9395422704d747d3
13. 0xd8c76b1cddc2a2ccd7b450f5ef53aef55fe73248e3768c1cb8c8ed2c9ee4df69
14. 0x26d9b8a9fb244bc01cf1aa57564d214584e78a7bf9659273d3de5f01f2dcf87d
15. 0x1a1af412020b11baae1f58b16dc455a4c19a3c7ab9a1aeceb07083214f5a8b8e
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94