Evidence row 2726160

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": "2026-11-03T22:30:20.723014Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:20.723014Z",
        "updatedAt": "2026-11-03T22:30:20.723014Z"
      }
    },
    "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": "1.7.1",
      "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":"b6402b59c0738b52b57c17270c9b924b3fd3505f5250754eeb14c0a99d4e3e76","id":2726160,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747990929944,"prev":2564306,"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 2026-11-03 (425475 rows).

1. 0x55e37e2e632d32b9ae91204e8a21ec38a6d4e9d280bfd042d6a3ef1fe0589ddf
2. 0x593da57475bd844cb536661e58d588ec1d53b8275492f2c154de5b653d50a05f
3. 0x33a63edc52a426b2cb631495822d524bd88aa13869b72d7c06ba614243baa5e4
4. 0x9fadb49b2afc1a5c0140151e932a4c325e8a691fc8125b72e35abf2db5cf494c
5. 0x4dc10eaaea0e9d4b176ba294f4d6cfe99bbe5b2e67b59fc7d0dee2c1c02c2719
6. 0xf55d81d7ea5ab974977c1755e489416c6d5659fa1062166473e3a40e66d74a33
7. 0x29a2f10f18f775510f79d28ebe7b18f771b069c5390a62fddc5ff53bec5061b2
8. 0x705953dd9c70a60c59a9794bc5c93e1fcd1c9e493c2d930450436c9a411cda52
9. 0x0d920b45a9cd21d195f7e185d42c23e478a6e3217e4074009e645b90790e20d7
10. 0xf7c268c9b85056088129c103b0611ae84c73c50e8e97a66fa454c933435d07c5
11. 0xcefa8031aa10a8ab894e99995022e05d754bb5a9aa7689370912d0b5ea1ded0b
12. 0x0fac9ee8ff23cf76ee996122a99c7b199af94dd0db3506b16e5b12c78c6559dc
13. 0x130f30e899bc8ce212e170bbaa25774f0c81fe70574c3d294e9d7dd39ef78bb6
14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7