Evidence row 3764411

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": "2026-11-06T19:36:00.10779Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:36:00.10779Z",
        "updatedAt": "2026-11-06T19:36:00.10779Z"
      }
    },
    "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": "1.8.1",
      "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":"278b7b9b7f674b00fcd792b2799532ea6b6126697bc55aeed0d336654823c875","id":3764411,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996581107622,"prev":3723250,"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. 0x5085152f498716338e330e5e6ea4652a6a63c1041310b765251b2887176c512b
2. 0xd0fb96030e7646d671e9f20fa8adb93d7d36879ff50cfcd23367313d63d12941
3. 0xf1600b608593baa77bde994a900b78f7adc21369b6539c5d31c947e2f02c21d5
4. 0xae1fde9c047b7c14d5226c4aa0b4fcd8c8e8bc85f68cf9f70d96d3b2135ae1e2
5. 0xd1980186e4afcdbd95d0fc9808490c772ed498afe54c253ff9d75a0a7bdc372b
6. 0x6213bbf65616a00b0c979ece4720523af758ab681df55deca91b2ec5039a21a0
7. 0x421772d46550e15e75e97b36cc6543e0c83cfacfd9a4cb72a94c9e233aa5e87e
8. 0x080ec9a84c29dc89fb2d1e5d36c706dbb7780852b698dfbb14da1ea101573ba8
9. 0x248ce827dc65d4b468991624483ef2a8c5e497c7f1c4f3d95de1d32319aa50fd
10. 0xd39c9f70fcca8d1bd0951bb1426a7571b82dfc5919b03d7a4296dc752f382298
11. 0x4b74633a1e687388a7ca3b711f0f2d4598024d2b8907083ec1cd385062e18e3f
12. 0x32e882f5a8dc9d154ec4260e55ee94a521c588758d1c53cbf394add54de79168
13. 0xcf2c777b5dbd1e7eb45fbeda489337100670390a568572ec6e0a21fd677fc201
14. 0xaf9524acc11af4619d183021d0dd97b098258f9af2441d3d61343f3bbe112bb9
15. 0xa18562956ef32715be3beef73e0db96be2b79caa00a0157b81ff91d577507391
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1