Evidence row 795553

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": "2026-10-28T18:45:57.215309Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T18:45:57.215309Z",
        "updatedAt": "2026-10-28T18:45:57.215309Z"
      }
    },
    "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": "1.26.0",
      "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":"ccc1d6969e1984fe6490545169fd62a1040769ecb7d47c31819854444e96bfc3","id":795553,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793214745526862,"prev":442948,"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. 0xacc50f4b8f014f7710b50ae2a553afec2e55dbb83dbac6f5326edef8c2627d9b
2. 0x067d4ab0560c931264a30e0d7b6a6833f8744f0de21b7015c2db62fbd5759d1b
3. 0x269b137350ddcc493f7d93a963704451ba6e84f188df4a11fa188a95ee8d7cae
4. 0xd9f32fe5ad0749e0621f57c0f8ff1db66c0e05487e80c13d25cc9ac2ae86ccbb
5. 0x64ba86fd0bf49739056ade216547a7061ac82b32d5cb98e8a36601191da442ce
6. 0x3d46dd247ac10b0ab76d52535d69f9b970d16d1116af8f1fb60910f14e57a39b
7. 0x3cc58df3b7ce97c55d7f95e2c01cf87c0d4da8d80dcb19f864a60b02d42e2cd9
8. 0x5735e76fead46bc44c93bd08099207ef188aa9906c639197e970517c67b4c0e0
9. 0xcc49fbce3abd612342156b1273528cfb65f42f321ae244fedc3d2c0883742db4
10. 0x684114d72223f65cfa0bfce9bbf6e96d10264748bd4680578ddaa0875fb4935b
11. 0xa9fc4a77e4d7366700ff06c6cd9255db48198a623f01aaebc9db577a487f3bc6
12. 0xd0466a9edb702448c4569cafa9b8dbc0f390aa033c423f3db835595db21885d0
13. 0x98b9fee8fc2de9dba94f4f81cf80de2396e2d2fccd881582ec5782c4d1a2f275
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae