Evidence row 3957754

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": "2026-11-07T18:02:39.241559Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:02:39.241559Z",
        "updatedAt": "2026-11-07T18:02:39.241559Z"
      }
    },
    "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": "1.36.4",
      "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":"00351b48757d87845108bfc25b6e85c585e19c22c68b1a0de4ed947949ff4388","id":3957754,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075883955019,"prev":3944894,"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. 0xc27439b3c5c3eb85f7fc410ce1a3925c46f6b458bc33e05b4e3601b25acbbcea
2. 0x96304c2dd750459076bc17182436aff0f5677e6999b9f20c54ce0e49d19ab42a
3. 0xf1be806b8124f5e375e9225de8b3a8c867148f77f6811c3032fb05f663678e3f
4. 0xd6f468ec83393750a0e53d5fe330e1eff3be8ef545422aaa13f8cb5532ee69be
5. 0x3c2c7c1f2b6f22496795ac4f3ea18da7a18b6ed2268aabd2c93bf85434b4815b
6. 0xabea5375234723693b8655736ea7e64aab80d6d84319a73ef6b131afcf01783c
7. 0x632c1f01a3a20340ba8fe1828e535efb2c5ff8ef895bdf84c4ce90ead17c71d4
8. 0xa5597abb010b357f6ea27fe57d4d4569b478caff74bd1d31b782ec3f04d0d18e
9. 0x4338923b814cf2e0bdd4d83203fb4e7ab0ce4ec835d03eace707c80cb6c50d06
10. 0x7a6ee29e82a5e1b7087f6a9b61bad6c858e4c99a74fb713c6bf104135b4b4b43
11. 0x14c132fb5618aa0b54304744ba65931d87cd70cf2c9c16adaf58e84a7e5a1960
12. 0x1df3f0f6a4629e2ef2efcd3b5d19c6944ea2fdb0ea0d7d744baa98e6efc753c4
13. 0x6da57bac13a3d747bd5ab6e3bc301f77a33423bf49d8a86a45250fad500ff0ff
14. 0x377e506e7caa62a458c54a51036fb3c308f8113f5f6e53d577ff2a07c84142c4
15. 0x8d59bf422a3db88dd24fca3b92cb99d28bd5632a71eaf94e51b925600c735b27
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa