Evidence row 3958480

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/wefact/"
    ],
    [
      "mcp",
      "https://wefact.usefulapi.io/mcp"
    ]
  ],
  "name": "WeFact MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:05:35.659266Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:35.659266Z",
        "updatedAt": "2026-11-07T18:05:35.659266Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up customers, invoices, products and subscriptions in WeFact.",
      "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/wefact",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://wefact.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/wefact",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "WeFact MCP by usefulapi",
      "version": "1.2.4",
      "websiteUrl": "https://usefulapi.io/wefact/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up customers, invoices, products and subscriptions in WeFact."
}

What the leaf hashes

{"body":"90b21f8229f35f6a162bc21e4b4649f062d1fd993041e25e1f9d165321796f7a","id":3958480,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075912444997,"prev":3945640,"subject":"mcp_registry:io.usefulapi/wefact","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. 0xf499137afd028c1f3867fa981f92baad597f3da973993ab7bbcb4f8854298634
2. 0x5fda298b89d984f1f1337abc20a4ffe7a0efc14cdf8696cc2411f6508ed61e2e
3. 0xdce4394036b45b48e5ebab06d9c9a8e98d3c14e5db74c3b6cfec8c521e92246d
4. 0x352ecdae81050f1f718adb23e90bdabaa028e6759e5ab01697826fe81c4d0446
5. 0x404ac69c697ac800f995d29316bddaa44446a7150b9b2dcdae5700ef5525f2b3
6. 0x603a3da5c7d1faf1eee105079c1578c71f0d7a26a2dbc21325f7815220ea6aa2
7. 0x8b03092500cd9eb57fbc218b79fc6ffd41bc38ee46bcff17643efa873891949c
8. 0xbb8514620d65a466da6b62c340459394641d5780fd123b50386711b7c6641d03
9. 0x9afcfab70e4be023c3a77b367d0977f8f5189b4abea786065be8796d35bfdac0
10. 0x0328eb5c57595cc2bba7a9fc0ea9e8a43a2f8288f6710b48de770706e154b9a8
11. 0x2982b6ad74a3300ed9209091ed769d4f8408d05ecf44ac0a0921eac1fd6ac381
12. 0x1f098fcda70c9e30abf88e454f62a1caf59bf8dd4e7091186dbf6b6b40157fff
13. 0xbb9fa9b6d258e3bdd3a398a3707add7a5e88a5c2c78305ea2b7ea696f4cf0b12
14. 0xf43413f83ed03b7c7cf9da72bbeca9e32610d671fd1e4e2b0c0cf6b3d8b94516
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa