Evidence row 801030

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/youcanbookme/"
    ],
    [
      "mcp",
      "https://youcanbookme.usefulapi.io/mcp"
    ]
  ],
  "name": "YouCanBook.me MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:04:50.932275Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:50.932275Z",
        "updatedAt": "2026-10-28T20:04:50.932275Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage YouCanBook.me bookings, booking pages, appointment types, team members and locations.",
      "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/youcanbookme",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://youcanbookme.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/youcanbookme",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "YouCanBook.me MCP by usefulapi",
      "version": "1.28.0",
      "websiteUrl": "https://usefulapi.io/youcanbookme/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage YouCanBook.me bookings, booking pages, appointment types, team members and locations."
}

What the leaf hashes

{"body":"39839df750aa6e4ff7690eeefc768a6e799905d2052492b0441831a1bfc7a777","id":801030,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218353298490,"prev":796010,"subject":"mcp_registry:io.usefulapi/youcanbookme","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x85f08057fc36245ce07de893a4b16e68285996b436f42358fd3c4f23aeb2b4ab
2. 0x1a95b6b3a80fc2bd6f9cf9781a12bf20d17a4e4d2d68c38d16ef42c1598d12c5
3. 0x061b476e545b3dad9e9a6b91e61eb1b5caec5beb53b1f0510f0eab31d7ce941f
4. 0x19fcf45f7eb45a948fc8182c501e5fc0752b1c95e14719d32487006c00008dbd
5. 0x79c5a2ee7573ee16217c024fa0fffcc348438da7fcd7bf1c88fa9e90be70d138
6. 0xbe3530995a781f6c60d7c41380f3cd50cc3506089f660edeba361e61a60b4900
7. 0x62f57ccd88144636b592b9b51e86bcf390c675046c89659a726e5b979b5b9370
8. 0xecf3cd21314288f43611c8dd7ec567e50e26d549395da8365acebb216e7b31ff
9. 0xb15e7c6220e0ce7af690ae2c67e3825b5a580538d0c3ce9798720b5acfff9d8d
10. 0xbf2466dbd5da934782ae7fb508b20f5ef7cc7d6e41cf0c06477b3ba757e9ec47
11. 0x8baa84438844480e4ee85191a514de151ac6e3130f3e0168f008268ec0f9b588
12. 0x957e0fe7e44c7e977b527d6154fa62586de112339e5f55ca34172d17b3a46c4d
13. 0xb072324629a406cd3cdd7c16d50237ad36e849cb87524d54ccd21e2d2c94de51
14. 0x91b395e5953edc1b4bb2db979b59b2d9a20f0df47d841196dccdb5128537aaaa
15. 0xe2f9c120d14f36fdddf9b4e605c5d0b8a13b835e2380472255dc22e14b93e84e
16. 0x74cf00e07b52415c2184cf20be69d195ed2725497a6892c2f3e449497c17d0ec
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae