Evidence row 3986507

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ably.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/ably/"
    ]
  ],
  "name": "Ably MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:53:37.963556Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:53:37.963556Z",
        "updatedAt": "2026-11-07T21:53:37.963556Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MCP server for Ably — channel history, presence, occupancy, stats, publish, and app management.",
      "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/ably",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ably.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/ably",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Ably MCP by usefulapi",
      "version": "1.36.5",
      "websiteUrl": "https://usefulapi.io/ably/"
    }
  },
  "source": "mcp_registry",
  "summary": "MCP server for Ably — channel history, presence, occupancy, stats, publish, and app management."
}

What the leaf hashes

{"body":"889d56563deb2241e9cece2337198fe5d7499d21813ac37dc9661a3928adea71","id":3986507,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090323504880,"prev":3957754,"subject":"mcp_registry:io.usefulapi/ably","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. 0x764ebb0c97d8f52c5f51f2fb198b204e58bde9e7343f6d8349dd03ef5250f25e
2. 0xa958eec376607cafefe75f753b8f625a884fe42ec2a1f73151066d4ab33a0525
3. 0xf4fe4dcfa724c244488b4533bfed8985f80e184a9fb6c5173d4eac294c4bd93b
4. 0x6157fb340aa4121800c97ce8bed3c36a80d242886cf139894e731d5bdfa610bc
5. 0x377d09611b3d651bad60b79348ebc86f514521018d35eb4686e22722c3d54052
6. 0x58c80b4fdd491dbadd6c338f24ebc705a60718606b4d1a72cb73671e871a3b2a
7. 0x24d4ce44beb3d820d17fcc385e0350012a1b85257ba3cb3833f9db030257ebac
8. 0x0df77afbf87e572eb2c006e3492e602628a1945920b658bf0dfa4d47ec0f09a8
9. 0x86cf64a1ceda62db0a9b20575f1d5d11d7dbcfda8e1fcca9659f5b5312eca0dd
10. 0x307b5cf811a84d28273aa972baf1d398e1ed1ce8f4625ad86437bd76fd98c25b
11. 0xcef2977ca53fe2e55c6cb688cd963f00350f79614dd0f54f091079b2fac2a70e
12. 0x0b31d2a7f3e29cc3bf3fe77e26ad8862a5d9689c0cf78f625ff1f1a148592bfc
13. 0xd445f2917713e4a9cf58e8d6c62200bce02b187115510c936159d350d5797da6
14. 0xc9930015910e15b4a3ee7fa6677b93ccee48576a50ff5a3514be8ce187946e8f
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa