Evidence row 1257405

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": "2026-10-30T15:15:46.700315Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:15:46.700315Z",
        "updatedAt": "2026-10-30T15:15:46.700315Z"
      }
    },
    "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": "1.29.2",
      "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":"2e81d5bd1daa6c125e56afe079d337c6e202e411e61e188317501c8c0c492a39","id":1257405,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376927914197,"prev":1249415,"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. 0x161c1194eee760ac7da880a15097ad4f9509d3b9150b16a17ae5703a05a1fc53
2. 0x4a918682dc9e844f49ed2291113ef04b3b54bf03bca6312c8bf2bbf368194e2c
3. 0x13cdb3304cc294f2c0a29b46f66424d051ab8b56e5523d318d120b1a0020ff15
4. 0x135af57cb38b7d3800764f1de93c8bf761d156266543e811502256d7b903af98
5. 0x4bfe371796fd2ed725a52a6fb8075f5a63e8273f579719cc3a30a5a2038094d5
6. 0x9c78134c02915b0608794eec28b1864320c6ff318f4237a5b62c49e4c7da59c7
7. 0x06fc67afd92d1a8962258f20b88d1b7bf023d3abf50240bf699d08e6c12882bf
8. 0x6cd715fc025c53e9e2e394d482bc6e9890c2ae319a9c5ce1a98b6da2ce8e578b
9. 0x26ffb823e939742b6e5366d549fe16bb3f7fd286fc95f716f680522bf1549192
10. 0x4a1964da12263857e55e1cf92f16bcb1e412c7b22060c8bb75c5f828e001dd64
11. 0x74505f0740eea76d6730955e84a8c592351c7e4d230ffc321d2c29af604c3702
12. 0x3a905595fdeb717ceb1f049edf6e954b2428122e161597f81f6cea9ace9baf6d
13. 0x92f059d385cc236739871f2db0574c5587e23b0b7db1b296bfbeedc2914d4f35
14. 0xe18460a4fef6812b03798b9b10352dd88bf2495282cb7665eff1cdfac9ef6888
15. 0x0313631fba69cc31784d20beec069335df13219f8a8a8a8831740bca4d4aa0a0
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861