Evidence row 1500469

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://upcloud.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/upcloud/"
    ]
  ],
  "name": "UpCloud MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:14:22.198462Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:22.198462Z",
        "updatedAt": "2026-10-31T17:14:22.198462Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Inspect servers, storage, networks, databases and billing, and start, stop or back up servers.",
      "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/upcloud",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://upcloud.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/upcloud",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "UpCloud MCP by usefulapi",
      "version": "1.31.0",
      "websiteUrl": "https://usefulapi.io/upcloud/"
    }
  },
  "source": "mcp_registry",
  "summary": "Inspect servers, storage, networks, databases and billing, and start, stop or back up servers."
}

What the leaf hashes

{"body":"50753ad66c0bf54988c803343db7cb106c14659c495fdae04360b55b6ff658a9","id":1500469,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466976661109,"prev":1482274,"subject":"mcp_registry:io.usefulapi/upcloud","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xffd45ee0462a171376e65d7d635942d7e3790ec66a79dde3d0d6fc23431b4fce
2. 0x130c3fa1074aef8acdb40626886f19176b8e1e4568629ee685fc69f282ebf8e1
3. 0x5780209a2be4deefa417f200df1a18f74d7a9b6cae00912640f1667c36848439
4. 0x1d7167cfb08c07517df4bfc67027473ab14caa22b0e0d852ba038ba122917a9c
5. 0xf83b960ebbc95bb9ebaa9e66dbb2dc65076cfca075039be418b775eaf3a70c44
6. 0x17c6e1f837767989a1de75d642df43b39f005d9ddb400ea54ea0280f89d0c371
7. 0x3d9044eff81dea3ffbd236f0f67d9f195c7248a829222a93d2574eff9bab2567
8. 0x5707ef02e0f988b81f99854f9113acafa01b5ab30e9817859cfb1dae46a7c8fa
9. 0xedc9357caa03fecb77698c867222efba77552d1f5aef46a675e35020f9d1e026
10. 0xfae6400db1fcce41fac8adf996e82c14faf666ba49531ba856d5841ae4ca6e92
11. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
12. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
13. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0