Evidence row 1481758

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://acube.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/acube/"
    ]
  ],
  "name": "A-Cube MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T10:53:54.538236Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T10:53:54.538236Z",
        "updatedAt": "2026-10-31T10:53:54.538236Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Italian invoices, receipts and SDI notices; validate, prepare and submit agreed drafts.",
      "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/acube",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://acube.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/acube",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "A-Cube MCP by usefulapi",
      "version": "1.2.0",
      "websiteUrl": "https://usefulapi.io/acube/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Italian invoices, receipts and SDI notices; validate, prepare and submit agreed drafts."
}

What the leaf hashes

{"body":"c2351bd14b0f3b437d7f9aab054c9f9ffc66ea5ad0aa625737467d964d7c89f8","id":1481758,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793445356620603,"prev":1478723,"subject":"mcp_registry:io.usefulapi/acube","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. 0xc341568c106126628880e4a10fe4b23cf9f1de5ef33ef223224c3be504e913a7
2. 0x79316826e9cb484f86ea461da502c54b8e336e7bfd41102508920bc7f5067260
3. 0x777b1bcb40b50f858bd8922d50204062e75f4b763ec24699dbb15939eb20b20d
4. 0xcc27b737e28dd0ded4a4da87afc218a8c601f3aea34e21f3235ee00d30e30d41
5. 0x57b1d1c2cb8e2ad00e8944e7b616b62fb131abd8feafecbdfcd932e2d0256b3e
6. 0x48793a244a9155ebcee8ab2608fa187f8e38843d341e7ea9a0898a75c0991cbf
7. 0xcdb1a4b4ea5f31c426ccb80b1c34f2f45a3fa216465db708fe1c116818e7d6a0
8. 0x40a54368044858cb2151e970ce842ae3d0d45e722f53eea6022216670b63e49b
9. 0xfd90ca416c35ba90417edca621a402c44cb604f5665a4d62c80b094caac4e447
10. 0x78416834d3fbe8382189efd6f38f5ac57936c0fca9616e30f6ec50fd65159395
11. 0xa2a93cce86ae656c1d7aacb76684a747caefe53005f801d681b83f48f2e73ed4
12. 0xf235dcbd3494045eefac0d5d29e24d6b780a055fa6446d6794de8589b0d7de85
13. 0x6a43f11729055834772e6e63a776c1f9cd1e8e43e18f7c877db14b3ff5a6cc4f
14. 0x9dde676db4beb8126c78083f708810f78b6322c93d8e3b10a9a56dd144ea435a
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0