Evidence row 19791

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://robozukan.com/api/mcp"
    ],
    [
      "web",
      "https://robozukan.com/mcp"
    ]
  ],
  "name": "Robozukan (ロボ図鑑)",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-27T12:27:42.371728Z",
        "status": "active",
        "statusChangedAt": "2026-09-27T12:27:42.371728Z",
        "updatedAt": "2026-09-27T12:27:42.371728Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Japanese catalog of physical devices AI agents can control: connectivity ratings, APIs, sources.",
      "name": "com.robozukan/robozukan",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://robozukan.com/api/mcp"
        }
      ],
      "title": "Robozukan (ロボ図鑑)",
      "version": "1.0.0",
      "websiteUrl": "https://robozukan.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Japanese catalog of physical devices AI agents can control: connectivity ratings, APIs, sources."
}

What the leaf hashes

{"body":"eb56894fd35c3603d69cf09ad0c95c0145a21a61a188e1779c4780ae0b0864c1","id":19791,"kind":"listing","method":"baseline/1","observed_us":1793025332127808,"prev":null,"subject":"mcp_registry:com.robozukan/robozukan","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. 0x9c7fdc2fcc64ff151ca30435773c16092f3446f48a4d27dcfb188ccc1b26df92
2. 0xf018cece3c791b813d00027504e632c6ff45db3e1e5b0dc6597877027d486057
3. 0xf55c5fa684e4d9efff6ef2ad2dcb52838e36ff4e69d2380a737c1d30f4baad74
4. 0x4cc51825d039c82bd044fba71795d5a79441a0729d3d3d25a25ee8dd19cba2a6
5. 0x11941f62c37b4c029f4effea2afb9268053905743ef3817949218edb7f319c28
6. 0x8e48c04804fd6155e806700474bf53efd658f2b09f72bdd7ce94d433373f1a87
7. 0xaddf769f88921c4d5c5b23aac263ac442fa3b74deeb0ea141c2180a2cb2741e0
8. 0xd817baa36144e87eb428df4d07b28b3bf5a433be7adc19e0fb450ca674b023b7
9. 0x987e5ba73dc471e6458ad8b473129feec7011703c4680247cb7b04531c28f10c
10. 0x55e392a749fe8acd3deb4f8eae19501f1e043191c02fc18a1fab5caabf05c0dd
11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae