Evidence row 58961

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://fourzerotwo.si/mcp/v/trade-procurement"
    ],
    [
      "web",
      "https://fourzerotwo.si/"
    ]
  ],
  "name": "Trade & public tenders",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T18:28:36.839517Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T18:28:36.839517Z",
        "updatedAt": "2026-10-11T18:28:36.839517Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "UK commodity codes and duties, UK trade statistics, UK/EU public tenders and US federal spending.",
      "name": "si.fourzerotwo/trade-procurement",
      "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/trade-procurement"
        }
      ],
      "title": "Trade & public tenders",
      "version": "1.0.1",
      "websiteUrl": "https://fourzerotwo.si"
    }
  },
  "source": "mcp_registry",
  "summary": "UK commodity codes and duties, UK trade statistics, UK/EU public tenders and US federal spending."
}

What the leaf hashes

{"body":"14f990403bf99685c6a739555beb2941f1731e9b045c5829520c2e06899ae66a","id":58961,"kind":"listing","method":"baseline/1","observed_us":1793025445595302,"prev":null,"subject":"mcp_registry:si.fourzerotwo/trade-procurement","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. 0x1f58b75818f1582950cd98e5344acc803c3a84f4eeeae144d42fd5162c91af9f
2. 0x88794ee41e59990d95384c3808bd0962b0fcca21fd3fc156fe1a287cc52fa21d
3. 0x4fab496c58dd89ca96ec40d46356ef392b534b3b90554d0b05edfe8de7bab600
4. 0x2345332cabf442c7ecc2feef9037add3310418750b6968e85bb1f7b95d36169e
5. 0xe4e53e4eedeb4e070d198c0c28cce2940ab13db2a7207579dfaf4629dedbad43
6. 0xcb1855434a443505a988e0df91fd54e29c8570c650d2948be06e3e378e1d0f66
7. 0x01cd9e23201d40dc016ffca6f10af7f8658dd78f25c7a8a6c293e1fa9ed2e913
8. 0x3854b0c10376cd7f637b1cd7aeb43625e9120ff2986d646d36c9b2b1331531e1
9. 0x40d2f539386cb41d47f2fb6582b8c51cafc4c2d23e692c1ee01aa3eee6a3d77c
10. 0x95d4f13dc77f1ba3eb78d20352c758152498641438c50e44cef664ea99f9747c
11. 0xbfd7c325ad90588d62856113d1c0ad99de5d67958ff0f672c892809fd668fffe
12. 0xbd94b9d1458901cf513783d5d2bc701e3babbcdf9219e07ee2be8fb2c897060f
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae