Evidence row 56508

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://bukku.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/bukku/"
    ]
  ],
  "name": "Bukku MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-26T00:45:27.26802Z",
        "status": "active",
        "statusChangedAt": "2026-10-26T00:45:27.26802Z",
        "updatedAt": "2026-10-26T00:45:27.26802Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Bukku contacts, accounts, invoices, bills and journals; create contacts and sales invoices.",
      "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/bukku",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://bukku.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/bukku",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Bukku MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/bukku/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Bukku contacts, accounts, invoices, bills and journals; create contacts and sales invoices."
}

What the leaf hashes

{"body":"4a97e1c7603ecb8723174546949f5fbf2fe69b03d4c41b45122148235d1466e4","id":56508,"kind":"listing","method":"baseline/1","observed_us":1793025440039771,"prev":null,"subject":"mcp_registry:io.usefulapi/bukku","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. 0x75da207e91056a3598d3f781b8693312bcafde33e81e0c41057a95ca5946867d
2. 0x17825114239ca4f0fc2f7c096848583ae237ba09cb5f79ac6a7616f0de56546c
3. 0x16c40a9a0bb839c4eb0d989528ae84c6ebf64341c1c37a984d16dabb860001ab
4. 0x26875121366aa12cfebbe9ed60f36b0d0c4f723dcc1e363daaca23d0c9b7d6aa
5. 0xbf8e89b86536e2167a3d4e95fe67d210e21be57c1674fe3b7d9a3cd5736095d2
6. 0x3ac9b48e9c14ebdcd803fa739d7a7010e993a3df0b2b798550c28b64c9f9f549
7. 0x2fd6f84eaf2814acd6c7c1a9985f59f86c8f785a34a9cf280501a3eae89f1963
8. 0x5145901875b33d0aac2d6c60f77f653236a5f5097ad7b4796604ca1cf27f895a
9. 0x59c8ae4d9098f14b46c3b8439697eb813bf0a429f9d1ef4e5ee8428b96890fc7
10. 0x32fc3b4924b2ed62acb146c2238d1a5ccc6a451511d89297319be57be5e16c50
11. 0x93bf58b59f9e2faa3bacdd73462869691f5329b6fe90d298d0df66b6273fb710
12. 0x43ccc5fffcdb82bff6ecf4ac7157c905b45d2f0362e7f7fbe908de1250b9533c
13. 0xdef3cab0b4070d8ad7f4f91288da4881d19789f131b1b353621df79df04a0617
14. 0xc4fe2177880ea1b0e82b6fe4c270090fd0fbe5af3a42a8cbf6a6ba2fa35625f6
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae