Evidence row 2564306

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": "2026-11-03T09:55:02.945935Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:02.945935Z",
        "updatedAt": "2026-11-03T09:55:02.945935Z"
      }
    },
    "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": "1.7.0",
      "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":"a53c595216f7c9e12070dc8522d91ff5c8654b10bcae1d5321cb6ab2767bd074","id":2564306,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701158449578,"prev":2546201,"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. 0x5886894f469e5104630ad04a11d88baf729ae1d7bd6dd27cbf23441b040d3f07
2. 0x7bed81f98bfa3d5c294893559fe60e1b359d602c3a04a41aeb80a6f3100533c7
3. 0xd02ac9e044cd1af54834b836de3844624ad8aeef99bf42790c50975777c5c203
4. 0xc451bab071cf17dc55378b5b0baad964acd2ad3d250cf0e54d97ee12f86f772b
5. 0xe60ef75f6112acfefce613cf992f2a8a8df165e7bc58c6387dfef62dd96d60d2
6. 0x14bfdae45c71402e5f33162605856610a3e36745fb8df8e1f06aeb367f4d72d0
7. 0x7a66ae204ee072176d9e37262a634a123c26c62518f5a2a5967a34780dbe1f75
8. 0x84703427b1414a1ecc0bdd183accfcdc0c543730ea76ac4902ff1d083c5e2aaa
9. 0x60805b041f4b3c41844ff50f24780a2b6ede65dbbae606e892fa04c6ae0ced82
10. 0x3ede5b7e34eb2a3a8baeaabd24d5be64672180fda564b29b4def0540cf9c3055
11. 0x1909bdb59ec3e8c968e105cbed8958f1246e6d384f479b3497e98dd0af10201e
12. 0x70d65606720a65c49b64703ea697c1212a08e2d8eb236d9037e716b053982907
13. 0x3ac62fcf3380a6da35d0b46e086a6e875d80896d818cf88fdfabb69923404b5b
14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7