Evidence row 1500061

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": "2026-10-31T17:14:44.461814Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:44.461814Z",
        "updatedAt": "2026-10-31T17:14:44.461814Z"
      }
    },
    "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": "1.11.0",
      "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":"64a69c489e58b0530e4a708cf4432942d7ad315fc90a4455bc5cfc96013e9acb","id":1500061,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466974092688,"prev":1481838,"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. 0x1191dcddda55045deaab574bdb6b5a6365d0bbc1d0511ac0a31e64e81d5de378
2. 0x0174175ef2eaf8cd528fe5128eea7f333d0a219328af995e68b65375ba34240b
3. 0x6ddbfb24e0366b52be56aa943a90bef9fdf05fc4a04a36f7e425130d6d664278
4. 0x109a09e66e9101234b1ef162472652f315e5f2fde93bddb9a16f1d06d4ef571a
5. 0x9d87e941eb00ab7c982a180e8192c7bd98db69a4a55aced5f47c6024562e41b1
6. 0xf84e511ea02929d86a7ecc754077020bd55101578c743a290c41be43045ef7fb
7. 0xfb3e255479386069f29758b0070d2e6bfc5363161f21d75c5fd50a7a6da090e1
8. 0xeb20234624dd6f10d7806d807179f2b417731f8a2f230250f80a5a108b4edf47
9. 0x0bbf70424fe9eb4b65ffe590a9c785c4373a5da5d6eaa9f9740b7f8c06706f22
10. 0xea747f90be88adce0f486dcd9150e29481abb9e42e76f22467b5f73991670017
11. 0xd7c5ad5bb35801f073dc7ece02be8fbd460124056ae626b43715811bb1de7fa5
12. 0x3506f733503d54d5526cec588d9e8b1f94f6fb7fc812cbfc49cabc52200335f5
13. 0xf2b49afd37f6c7a074cb7e2e9bd6248a3e1bcb90308acf1af6b3be8a3c1b7cfe
14. 0x500efd0d65e793a02397af46769412226d4deefe24ac497b68f3a32f6828638e
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0