Evidence row 1541060

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": "2026-10-31T21:43:51.702718Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:43:51.702718Z",
        "updatedAt": "2026-10-31T21:43:51.702718Z"
      }
    },
    "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": "1.33.0",
      "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":"a8b2ed21a96fb07ef69f42079d2a6ad11dcb8a484265b3c6d2a7a8826099bf46","id":1541060,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485020991807,"prev":1537649,"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 2026-10-31 (246033 rows).

1. 0xa96f1f678ef20058fab951facfbbceda4e771c093f9d1c80b20e0c0baf66fe54
2. 0x95a16e692971fddad48785acdc8bada53b8f4588949835d581f603538a8e5d7a
3. 0xc13ee03dafc9fc5c6829a6665b3c54a49be5cc6d3e759a07ce51df1b9695dc2d
4. 0x80b957547c392df6587f1a8050947f92e571dc495ba5f812da95b4c640ff69d2
5. 0x6b4a9cb0081d7dd18ca9c202b8793ddd84b5925dc923935cb7d48da350f5266b
6. 0x40a281f64d33cc47d9589251df3e839f3beb0e53133a5dadd02bc49dadda13f8
7. 0xa25ab5457a8066b14406a770f055863b91a3a49648ba141b4ff565ec9630097a
8. 0xb6e9b723b8a14f29a3aa5d1138a3bd2805a54e5c70f16634b7b19e0864f3264a
9. 0x72df81e114122c36bc324927bcc8d315c1ca7c4d9e125e7c7929fd752b1fe4b1
10. 0xeecce347d02558b681546110df354b56ceb64abf2614b770c0e5a4e5f077a5aa
11. 0x49c68c99be9b914552a7307b753f0ad9fb4b89cbebc8243e99f8dcdfb4d1f335
12. 0xe45ca553c436bdd9776124dee56e2d7302c50f4aa719aea1f912ad48487f7dd7
13. 0x42663dd611e2eab6140bef498f806bdd8e3022852cb03f38538ffe81554d0f9b
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0