Evidence row 1499985

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": "2026-10-31T17:13:55.228889Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:13:55.228889Z",
        "updatedAt": "2026-10-31T17:13:55.228889Z"
      }
    },
    "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": "1.31.0",
      "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":"2c08297f4ed3017952cd911b97615756ef52f46c6f23ba9a2b3594f429a35a3a","id":1499985,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466973889624,"prev":1481753,"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. 0xb0999fffbca1677fcee1a1695dd98a6d6f0d71ba8f0faeecc31460a230e5d180
2. 0xca82d075d0ded170d0ffda372a3075b9fc908f0338de45939fd50ca8b16e17b4
3. 0x231070576cbaa1b4c7e858705e9f83c46a64804c62656cf1c6c2471af92fc85b
4. 0x303bfe94a95711a41f80fc509031826e295059d5ac03c04851ee53e870435b28
5. 0xfa9f8337478c3bbf87b137f51e8faecd948b4153a8b3e488cc5b1b886ffae98e
6. 0x187e0d9503efdaad616adcb342fde8bc1f55ee7bb8e845d34a3022b096356c83
7. 0x04332c7530bb3f31eb89d1fdbf9d3f717574dc0a7b9b579f7458a32c6415eb40
8. 0xffe384caaac3c8bda3b81900f0dce7b58512dc5d96863a730fa408f37f63050d
9. 0x430f045ad998ea899c40a3a2c94f0be8df132d26d213b8c49ff23ee259107670
10. 0x00ca1900261f37109d5ab2f8c69adf155c227988845442d8c1be9221a3d11ba6
11. 0x5175c27fccd57b048fe1e9e36d928935dd052e6d524a29efb240e63701428546
12. 0x39efe32fa809f8d2b1396339e33d2ba1be4516cd5d8024633b0de45fcd3a7422
13. 0xb09440bf6646ff777d33f0f00bc9aa431a06af5faf5954642c917acff5aa3d78
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0