Evidence row 800575

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": "2026-10-28T20:04:44.749073Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:44.749073Z",
        "updatedAt": "2026-10-28T20:04:44.749073Z"
      }
    },
    "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": "1.27.0",
      "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":"cbd3e2d6777b3bb0369c5852134588bba6a55f273964f753f86cc7d232d5aea8","id":800575,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218350473071,"prev":795553,"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 2026-10-28 (231336 rows).

1. 0xc78623352ade035838215bb114b7e31e29702862a8291a1fe92a178a98209395
2. 0x5d11fcfb1575df1f0e69f5d8b55171ff5eda1db97c0aa2b125f4e4bc4d1b9426
3. 0x9e9ff3c6734e7b317a134d9d12a5e08dfc005afbf359a52c32e37f37cb752967
4. 0xb1430ccf6c2f075bdb442de54a88743b13ee3cd5544a7ec8085bdef9f38450c8
5. 0xead608e7d618087e8f2b67283f6e5ca34a620fa235e91817fba5b80908667e7c
6. 0xa4d1094159c6e0bfc19d107d2c94159d6b76e5d1b5c38aa4c39ca4fa0598aae8
7. 0xd9c6299e909cf9194081e087fcf449ffddac0f9b0c6a6605198892e2563ee198
8. 0x224f1d8e9dda7deb86fcc9c1aeb9cfafa7cdd7d1ca4fcf4007e5613d02d2ce48
9. 0xb0461dfab90e5f9577e4a6bf88db9dc9a22cf2f9e4aceefd47f4f1774bc9000d
10. 0x26e8c758779d04621f0d2797a7708b17b68a581934647e41259d6bfc83254f81
11. 0x9e9c8089c967c0109f6e9f98dab315f62ecdf28550d13e977978b255509422d6
12. 0xd0f3c2a27993f124c3562c91b39fd9ece09fb5021a89c15558338718a5bfa4a0
13. 0xc5e194226ea62d0d597c9eb0fabf3d09ccea2d41c32be367d96394755e91de3a
14. 0x4dedfee32d37ea3cdc60e339d676b411d314f945b00a30f8e3bd1e0470526cf9
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae