Evidence row 3957761

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": "2026-11-07T18:04:47.635457Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:47.635457Z",
        "updatedAt": "2026-11-07T18:04:47.635457Z"
      }
    },
    "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": "1.8.4",
      "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":"97e5ba7f6738da942ffb74ea4e0540aec2f666921e4bbe5e6b19091a147d475d","id":3957761,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075885403627,"prev":3944901,"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 2026-11-07 (195826 rows).

1. 0x38a3bd8e51e50cde33b4a99f665fe6eab8fd43f9987c4d845c95bc56372fd4f2
2. 0x82461b1895d6b80bc5eefe202aed10668f8af2289c7957b699f4733abe5ccd86
3. 0xbc4d49e9cb234e933bb46d199ed06325c06db0e0f0750cbee761fdaabc66593e
4. 0xd9a72004ae77ae4cf2395bea4e18a55f28610b71b5f764a43cade14f4c491733
5. 0x61f50239b5c695fcbd8a90b5fc9babdfa8cd6b5d855f81e5282fe0c1356c0282
6. 0x1cdb9f9d9c1abe00b2ea9d06b247fc9c2abca7dd362e4910917d2e1805b879f6
7. 0x45c4c53c24e76d39b508ad4fcf4f766a54eef31d3e3dc7aa59ccad54e7b5edcb
8. 0xaedbb8abaf30982b464eb87a2a9c12554e3f2090c9e3a4b7c8af1f06eb024f29
9. 0x099861b06f1b295f51b48d9529bbfefbf61e1967dd1189d050766e3e88afbe15
10. 0x5b908f1b0c5ada7ce9c83f72af69665874f38d23761f99cc098abe8b25172a52
11. 0x8b09a2f98363aa738e2fe2ca9c0bb83170d464618708f3ae9001d724aa36f13c
12. 0xe0fd6bdad452f0929ca722fcfc903c57c119d36e84b77b4829114206f3d84327
13. 0xc6da265da8cd33013b85c9c3406fb7cb01a279b8af0bdd0dc0fbf3e7907dc964
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa