Evidence row 3774919

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": "2026-11-06T20:26:58.575066Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:26:58.575066Z",
        "updatedAt": "2026-11-06T20:26:58.575066Z"
      }
    },
    "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": "1.8.2",
      "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":"0ea72f80b8332c803e48f20e7eb020d3ca3181797ef43b7c4176ddcaef5e7232","id":3774919,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000213082502,"prev":3764411,"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 2026-11-06 (303443 rows).

1. 0x08f2e135eaaa25f41682475c76b3d819ae646754f5205ac918da00fe3d08c9ee
2. 0xd66770f36fddba2f45018875103f6f30b73673a62a99eaf608086c4f0489aade
3. 0x7d55204899c594df806550d0f0d4bab0f64d6992d150884c6a9b5f073acbf4b0
4. 0xe655bfe62dc0920ce0708394ca65e3f62fae723179826e21c1e11fcdbf9efed4
5. 0x36c530bda7afd208c82377b310ef41fa7bf2096c70331f3bde7354c8d3f13457
6. 0x37d15d3576e5e6a365a5b555e32584f76adccbf1eab0ded3ed0800f397abc723
7. 0x7b974f9fb9142d1f2677e5d8efdc08d226385d4bff025ffe5e369ef8773c7757
8. 0x894ed2c018b755223b9cf84225cbcfd39d9a4245f5839fdecde202a420423fdb
9. 0xcc0c71e34ef1b6cc5b1aa65872fbdfaa5805b3f5877e19fb94196ba4cb6570b0
10. 0xdc2cc45aeb9bac7c5b2c82988d008d594e86f037a7c1490965765cac2e2e12ef
11. 0x959ab296a3970341c0f71996fa3dcaba4d842caef642cda8eca40b269c8394cc
12. 0x2698876f54a758c12f2d8a55d1995e4ac647af40403c0573c159c54b5c89a5a6
13. 0x6b1059d214223ba232a27d5edff7b1ca30e5c5586268765def55110a4e62d106
14. 0xab5d80a23ca5a52b4c56f2bb72b2f4bbc10fbb76450f278d3e5eeb93a98596cb
15. 0xc1c168f06fcf5aacb7cf4877c193f1924402c94b5590a7647a022d30da984477
16. 0x63d3b15302a17641ec84d6d16c07594288ca45016a6cc12a65ca679e6cd95c97
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1