Evidence row 443229

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://officernd.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/officernd/"
    ]
  ],
  "name": "OfficeRnD MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T08:34:56.455675Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:56.455675Z",
        "updatedAt": "2026-10-27T08:34:56.455675Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Browse OfficeRnD members, bookings, memberships, invoices and tickets, with optional write access.",
      "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/officernd",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://officernd.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/officernd",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "OfficeRnD MCP by usefulapi",
      "version": "1.25.0",
      "websiteUrl": "https://usefulapi.io/officernd/"
    }
  },
  "source": "mcp_registry",
  "summary": "Browse OfficeRnD members, bookings, memberships, invoices and tickets, with optional write access."
}

What the leaf hashes

{"body":"f568a49236aae1a37c3a1e62febed633a041243248335c6a3863f95e9f078303","id":443229,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258579020,"prev":56737,"subject":"mcp_registry:io.usefulapi/officernd","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x54fe40ad12ed2b492c3e99925f691ab5fb42d694d640caedaac7ff3acbd4bbef
2. 0x1a0e84016c8052467aff7cf43a4ad72748ffa6d0d3e1d392b7c99e02ede48ea0
3. 0xdb6e0f9b86cb10b023a09f01ca6a5d08bbee880106cfb413a1fda1b13ba39dce
4. 0x981bcc7f9eac15806653641950ef51aca2835b273af45e6ab457687488b758cf
5. 0xab0d0b55a7065625309b5edc74f2d20cde3f71ebfd1f1de0ed34f45ae78b4830
6. 0x3a57ed43da4a8c343378dbf3fce9331015722995aed7db1ad78bb4e0e37267b8
7. 0x88a85835e1a15e0dbc7c48dd2c947625b8644bbc65a09e92025107c299582177
8. 0x7ff638296431f02953aca4c95a5a90b89bfee46498ef711c05ca8bf0b629c2e8
9. 0xda198db72537d68fec460dc6b47b031eb67d465d7664b038488d30b129328eb2
10. 0x33d862eff42ff21c3c9bea8828946753fa2886cf75d3dc17d410ea3c6699b4e2
11. 0x70cbb36b38089bd590d59988369200459112eeb685a3d047dc7d6f85d72f0b65
12. 0xbda8a72c454627630518fefedac1e595455f868382eb4add82d53de75ccbae18
13. 0x906b5f0e8ef1fe7894886d84f460bb3239d5f14b14ad4adff27c7dcea6265169
14. 0x674bc1173d39130be4d15bbfc7327f8a8af87eb251e54c8d4409c7e840b9e538
15. 0xb78ea6a255dd06e2f402a1a733bca392fa6243920bcba95e8b80bdfc6ce5f553
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4