Evidence row 1499990

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": "2026-10-31T17:15:08.867092Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:15:08.867092Z",
        "updatedAt": "2026-10-31T17:15:08.867092Z"
      }
    },
    "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": "1.3.0",
      "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":"0abb14298115f54579077f2791dd7e14dc05e65ddf1cdf9621ee23c49a5c111b","id":1499990,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466973903846,"prev":1481758,"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. 0xf114523a603555d3231b906df72f5ffac64d6478739db6980221b5b553d1ee83
2. 0x7ac653298a484369fe1d2cb7b310154a579475a2d78bd20f072004779f645053
3. 0xe9d872e1de2e766fd010712aebe444975450591b001e98aaac2bdec7c6e29e7f
4. 0xbf5de10e75461b1ce69bd56790691b1a28d97c1f5cb1779d9e77d18c900cdf7d
5. 0xaef3780e3fa82bc57dfb41d97798cb36b3859582e9f9419e2bfc75b6330f8f3b
6. 0x0d5af1a7eaa28d5ff46f1734dfc5c71a0eae85c46d81097882901e84a9126997
7. 0xc4fb32826d467f4d81b028a4a7ac2b36c7d08f54acfbd9ad7ae944889fae26ec
8. 0x54d2cadda52028b9e0dbfa2f25ebdfb31f38b8a7a71ce85d0cb6dfd64a2445f0
9. 0x8f05805f9c218e3bfd6581e21e065d0896c91528a3ea27aec3aa5f870ff911bb
10. 0x8726218de530d708576d414aec2642de043245e9eda0a115df48d3c388d3707f
11. 0xc63f042cb226ef092ea53fee5d2259a347e04c30c770aaf994362836b7fce505
12. 0xfcd782c3f252b70bc968fb5a187963c45ff14fea50222071dde8a666b3ebdbdd
13. 0xbc3e5daeb8c4525fe47bcc0da1546eab6297e135ec75acdf3bc8177600a63e27
14. 0xb9926eb0976a5b473833dada1e63c048bf8ef05dbd747135d29c85140274baf8
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0