Evidence row 58963

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://fourzerotwo.si/mcp/v/uk-business"
    ],
    [
      "web",
      "https://fourzerotwo.si/"
    ]
  ],
  "name": "UK company & compliance data",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T18:28:37.480576Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T18:28:37.480576Z",
        "updatedAt": "2026-10-11T18:28:37.480576Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Companies House, Gazette notices, sanctions screening, LEIs and UK legislation.",
      "name": "si.fourzerotwo/uk-business",
      "remotes": [
        {
          "headers": [
            {
              "description": "Optional free key from https://fourzerotwo.si/free (raises the free allowance from 100 to 500 calls/day)",
              "isSecret": true,
              "name": "X-API-Key"
            }
          ],
          "type": "streamable-http",
          "url": "https://fourzerotwo.si/mcp/v/uk-business"
        }
      ],
      "title": "UK company & compliance data",
      "version": "1.0.1",
      "websiteUrl": "https://fourzerotwo.si"
    }
  },
  "source": "mcp_registry",
  "summary": "Companies House, Gazette notices, sanctions screening, LEIs and UK legislation."
}

What the leaf hashes

{"body":"f79a5921db74421120d52410ce20bdfd2839993d9f3120eca02d8e828b441aa1","id":58963,"kind":"listing","method":"baseline/1","observed_us":1793025445597576,"prev":null,"subject":"mcp_registry:si.fourzerotwo/uk-business","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xf79cde257b671e1ef07c1309b1b63564eb040f1aa3a86bcfb9e47bfb14dd2582
2. 0xb874e86f914efb9d11b0e0298ef36f6e8fd892f7c2e349fef9e0e3bc0e854799
3. 0x7561f4914d35bb076bc0a346ec665aa81f4908dbab5b7549ec1df4a77617dbb3
4. 0xcc03c0d68c7eb64cfc687f4ffea6cc4a2aaa8cbeeb1d6946db3cdc43e675d0ab
5. 0xf60da8e8e4618c3265e424fdfdf1f21b2ed792f5b81b8744b81340dfa60c8cb9
6. 0x097316b54858334b5573dbbad7188af7590678fd7ca9e30b87856f8dc90ad5b0
7. 0xf25d7ec7906f0f6540ec3d7b6e4dc5bb2f4029bfae09342a6ffafe3452f07bc8
8. 0xb22f6985383d5f3cca8ddedb4c412113f9d02a3c391a6265c13435fa9d9e7482
9. 0x1da3c1fdaac0939545e994cf221d1bcdd516bd0ebd2694b9d00f5b68d438e585
10. 0x8912095205c0419743c69fe2e0e31af1d737e6d84891a84908cff125ff0e8e71
11. 0x0836eb686ada9beddba0f76357ec59493359d2a7c51aa5c4a31d3cfe9873ea74
12. 0xf7eba200f6f1012d700fcc53fc6d57dcafd1019c920b1030d42fa21d4af95d94
13. 0x694eb701ea36a0e3dcde192253ab85a618738bdc1e3a6e582e6f8bf9647f7a6a
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae