Evidence row 1537734

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": "2026-10-31T20:57:08.823341Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:08.823341Z",
        "updatedAt": "2026-10-31T20:57:08.823341Z"
      }
    },
    "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": "1.12.0",
      "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":"4131c3b319c4acccf4f34a03e7eed980114b696dd14bd182b303270d0581c02b","id":1537734,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481416799085,"prev":1500061,"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. 0x8260a805de78d0dacf867d37e6ca97529284a216fb343479a949802b8f15ad09
2. 0xa39db3aca01aeca0f867ec1a3ffb29608c8de5331d9e0574704b726c8b8cf185
3. 0x50fba882ff1020599150eab0159652e35e2e123ebf947bea5215114dd8abff3d
4. 0x97e125f8b220d5881485c30cca30989c1a1d96a93675112af6d256840889c7d7
5. 0xf1492e8dd60866a47d3e737808e9653aba894f148fb63053946986bb15383eaf
6. 0x6c5c3c48e8f6cca52eaf9e85a7fb0335685f463399bb9a3fc6cba0b9e67eb28f
7. 0x828b5b08f0b3f0345a9f7177a518bf189480b1c863184da95dca1dda32524af7
8. 0x966265bd51f0cda2dda34c14c5982a15ad50a7508417e025733fe74280a49f4b
9. 0x4922e921177a2f8fec058d814909e46617574ca1dfaf317b0c0014445f864a74
10. 0xbe59de5c96634fe6fb1d1f5069d26bf51c49331faafd797d5b83e0ba09354387
11. 0x09ec4da117ab449852868d99c1e8c7d8832c7c9bdcea652f270d256a500b8102
12. 0xed97fcd52d7537aec306677e8cb3abf13d0b7b00e0036385080fdaf125958920
13. 0x5da98004d63a664b48fb1cbdd3411495870573c4cdf283e78b4657e393085211
14. 0xa59dc4109e7747a67ff1c74b854a6a84d4177b254204f0623f549d72e4be7445
15. 0xb553c856ad5fb96dd995dd0c40f65a2d8efc7b7f254a1ac0f2c104350e544985
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0