Evidence row 800947

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://smartbill.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/smartbill/"
    ]
  ],
  "name": "SmartBill MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:04:58.19986Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:58.19986Z",
        "updatedAt": "2026-10-28T20:04:58.19986Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SmartBill series, taxes, stock, clients and products; draft and issue invoices and estimates.",
      "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/smartbill",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://smartbill.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/smartbill",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SmartBill MCP by usefulapi",
      "version": "1.14.0",
      "websiteUrl": "https://usefulapi.io/smartbill/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SmartBill series, taxes, stock, clients and products; draft and issue invoices and estimates."
}

What the leaf hashes

{"body":"6e8ccdeb2b49571883daf15b59d44dd2d961ac0081a783975ecdd20f0a862e10","id":800947,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352869910,"prev":795927,"subject":"mcp_registry:io.usefulapi/smartbill","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xb3982efc768aabf93c8c6e8e1ae084383ea985ef79c54df938a2f77617ef8f7a
2. 0xc2db755bffaaaaf58a45001785d5f240fc7cb24e6b7e2dbdafab92a01e607569
3. 0xbfacca6f77395c1004d5ee851817c21ccd386581e01b8679b1a4afc1d3627105
4. 0x00a9bf1273653ffac98ebdefa980a1dad62d98b6fb593dde7ec624d8ae7881c6
5. 0xf88a39c6b52b6b03867c8c7360dc1779d7a4691931b5993b35b99747c48536fa
6. 0x0a7b9686f47d73e88f701bbdab2e82a339c0cf55e288f2ae64593822765d4850
7. 0xcddd4739f003edbd37b2ad54f1f4fbbf1bcc303b920bef6f99228be6ff2187fa
8. 0xc0315c34013a2a160ea4721512a10615f6df13ec32c6bb86633972e2289a17cd
9. 0xc0e746d698cef3b96a3ebd0669a29f40a0577e0822e1459d76b2e431a4369a47
10. 0xd84bb49f7eac66a5bba802ee506b3a139a89c29704af1fd74d52d75b0f7ad153
11. 0x18ed26430452f3dde5a618cc6180a691d04d93035c941465dd8e09fb90c559d4
12. 0x64da769fb79162833498978a0e2340627917887f3343d2d19deba65538379daf
13. 0x2c930436acda0fc12ca6444c398732253201032fcc30928df4b856695845c63b
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae