Evidence row 1249415

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": "2026-10-30T12:20:47.91653Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:47.91653Z",
        "updatedAt": "2026-10-30T12:20:47.91653Z"
      }
    },
    "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": "1.29.1",
      "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":"97bd0789bbd916e38cbd0dba3c2a4138798c00b7d9d6acb3497bce225b5a3492","id":1249415,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366120838811,"prev":1025482,"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 2026-10-30 (243099 rows).

1. 0x9687c8a14ed217864b7118fbc58b2a01892a3541327925b337331debd6fa1c97
2. 0xd618bc300a89063cbc171153136c71445abef17d021300317ea01a150c7ef572
3. 0xb59775b193f8fd1c2d81830902cb4d52939861685bd4466dabf450c21f33d5f7
4. 0xff3b2c470e2fdf3efd1191a62ae5ce955611607fa74bd88ee440178b6f090cdc
5. 0x0a080dc87b5a79d535980474f10b4e659e2f27458d899048a1d90a8cd54fb6ee
6. 0xa51fcce53f4dbb3ad76655c1fdc8de1d0bcd79988fc38f2e0d35aa615853abf7
7. 0x83ac1344bc7973ca33196296f9c52c9b1f19001773135ede4fb97fa4fd711a9e
8. 0xb415c995751b3102a4afa5ea108c2f4f9e5c3621f9e28c6c59b3657e7be599c9
9. 0xb924c6e215283474a46c120d0dbe1397892c5f79c1977b511dce27c4180ac68c
10. 0xc7c0f06b45aa3b7d77b23816bc3ff95f6f478216cbc22cb79ef7dfe8a289e465
11. 0x8aa3e1f2722cd877d11225e31a12f181990ae112e97f00b79e378d52bc3bb5d9
12. 0xf9b7ea19cd8b9aaaf832b35ddb7bf2e52aeb54c6362fa951144219d07856c660
13. 0x7d1bf48d5d64dd078f722c5d54a57afd7c7264c947c587f6fbc3d1add4080eb7
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861