Evidence row 3957868

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://chatwoot.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/chatwoot/"
    ]
  ],
  "name": "Chatwoot MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:05:29.165955Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:29.165955Z",
        "updatedAt": "2026-11-07T18:05:29.165955Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read conversations and contacts; add replies or notes, set status and assign in Chatwoot.",
      "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/chatwoot",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://chatwoot.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/chatwoot",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Chatwoot MCP by usefulapi",
      "version": "1.3.4",
      "websiteUrl": "https://usefulapi.io/chatwoot/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read conversations and contacts; add replies or notes, set status and assign in Chatwoot."
}

What the leaf hashes

{"body":"78a1f1dbdbbb377b31e79bed840ef006e161669b0e6787cae24ce5efd2ed1c2b","id":3957868,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075892047774,"prev":3945010,"subject":"mcp_registry:io.usefulapi/chatwoot","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. 0x4cf59ec7ae312699438331c0737218e5631f7920eb773df8c63ffed1f80fb699
2. 0xf97708ea38c7c988772c4501a577c260c69b6ed5f304847b1e2150c68a108916
3. 0x8ca0e880eb4ed605280832a4d85b0a56e4bf438ed1c4a1cf38712cda5ee607f8
4. 0x2e53ae0a326d168b3aa7d720cc8fd4f3280803da893aa11fdb633e8ebf9f283c
5. 0x21ac3d5576279c4918a83c71236aa905268e303bad7bec228684693363ceccad
6. 0xfc5673d845e84874ba5a7b2b107cea8aff3baf0b002ae075fa5bcbdd444d1884
7. 0xa7724f9761d1bf567327ce26fb76bcd341373039f0560e6bc0abc06147576748
8. 0xc0e91b70a84a2ad3ca60e89dba6c07a29217e573ccebf5576ac1d37c06e5f568
9. 0xd2cc35c54117aaed7f91bb4c9b260e873a70d46b96691d17ef9318d5b063407e
10. 0x32b9f773317fd744b047f23f65ea937354b868eeaedd4a89044a3b356617df72
11. 0xb3d003ae0a6a013735c1e039fb6d3afd90831c5d96f207c869371acd36f821bc
12. 0x61d7260dfa61cf6be06f4d379779b36f495bc0b4a80fd28f16025245d2fffd79
13. 0x9da5d20b5fb1961ee21cddbb09c2bcc37e0126a8a9f9bec5a9ba8207fa6b6afb
14. 0xd65824e287abd80d02260ba918668ef1c4c1d016243891677bfc31ebb1eb16e7
15. 0x1440bd4864ece4f3cb1a2fc48e88ddbd78cefd359ae16ceeb69a13e36b55021a
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa