Evidence row 56904

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://youcanbookme.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/youcanbookme/"
    ]
  ],
  "name": "YouCanBook.me MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T22:35:07.473645Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:35:07.473645Z",
        "updatedAt": "2026-10-25T22:35:07.473645Z"
      }
    },
    "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": "1.25.0",
      "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":"c6319af8730815b6e350cbfed66755b60fdeb359131e8eceb21079e771e1bfef","id":56904,"kind":"listing","method":"baseline/1","observed_us":1793025442040597,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x55a974bd89c990078a58be2124b97985356b10464ca39b4c66dc61ad6474a2eb
2. 0xef7e3d9de2a285ebb3141c623e1dea8abfb249fba81cbe7c000e42c2c3fc9b81
3. 0xfb67df75d5e550c604e070a348986dc3238dca28590506175dc3dfdd455185fe
4. 0xdcb2ad78d5227303d07e64d1b839122eb37750333d470517c40f926e05710aaf
5. 0x2a0375eb8f75ece374b8a4e964e16bb87e16f0a44896224ba8bfca9d4fcb26e9
6. 0x56de7361d0d3f844fe319ab58e18f0ee53e8c7cb5441bc990de94e48bb930ca2
7. 0x277ed28d2b7e4fb3a8f6ace13a358d20ec83f17f22ad8994c009b460a14cd7e2
8. 0xb8a77b35d27c6000144ba9bb62f042dd9228115f753d6e53bb0bff6e450078ea
9. 0x5e213bdc1580737e42ad79b6f4d9525557bb386f49ea97fa5d1a0914a23f660d
10. 0x67cc9e33a20bfc6e2cc4190cfe822576e88db4e067580d9b03de61490ef43281
11. 0x8bfd0cb3fe1b89aff78054dc0373bbd54ebd61d68eb05854663a1667ccf265ff
12. 0x31b890f57b06aeb1ca9fb0cdc688bb75678ab9b2ff8ba49765e3d7bc0ae98597
13. 0x8ba3430866b4c11cea7eba9923ee4fa8a5074849df417006e4441426c1f13056
14. 0x5cdeb4648502e0633d01cc4f3379d48cccb9d4f528565b2868eb93db0df9e829
15. 0x7726154b91b2ad65b13849ef6cb6443b1f0ff113a3089c9bd5f2bcfc16be099d
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae