Evidence row 40500

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://classifications.impactengines.ai/mcp"
    ]
  ],
  "name": "International Classifications MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-01T03:30:36.109988Z",
        "status": "active",
        "statusChangedAt": "2026-10-01T03:30:36.109988Z",
        "updatedAt": "2026-10-01T03:30:36.109988Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Deterministic MCP for statistical classifications and survey codelists with provenance.",
      "name": "io.github.lbruce-wq/international-classifications",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://classifications.impactengines.ai/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/lbruce-wq/international-classifications-mcp"
      },
      "title": "International Classifications MCP",
      "version": "0.5.2"
    }
  },
  "source": "mcp_registry",
  "summary": "Deterministic MCP for statistical classifications and survey codelists with provenance."
}

What the leaf hashes

{"body":"b3b9630b3f95dc41d448fa7af6b33e58d5aa67e8a6da2d3e6e13c505653ea86f","id":40500,"kind":"listing","method":"baseline/1","observed_us":1793025397418521,"prev":null,"subject":"mcp_registry:io.github.lbruce-wq/international-classifications","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. 0xfd2bee3b399426ad39b78626360107b5b4f1ca37944722ebb4213a2957dcc2ae
2. 0xd27ce94adb4929711ee922f50947d4892612919d06e0e9900988a328f4067251
3. 0xeb8177b663cd9158a46991b66135fffa87811a1977e7c4af01147d29412df1ea
4. 0x02924ba229543c8f243c32fa9f43b69627b11384aecb54f3726e035b4b1a7f90
5. 0xf7172aa52abbfe02529f84255d6fda7ab55a4ec278baebc9273f9e90190ba7e5
6. 0x451bd1fddd982e1e9c5e111655796fcd96a28d1ddf35705879ba33f60de33dcb
7. 0xd8c7cd9917cba01f66767e563324d428ea12cf963ff945a4833f8eac028c6cb4
8. 0x28e3e5f0b5e3b9455bb8c9b7037590cd72322eaa145b71acbb16e03662f30e97
9. 0x6e1f0afcddd1b3d9cd8cd2ff05e97191611187b7d5935f01db5dc676eff2d6a4
10. 0x18a4daa4511fe79833aca9d1cfcd84bb5da542f81ee07b2f2e60bedd15a277cc
11. 0x2e09594bba0b7c90654eee0c9a8e6b9ed83ead47a7e7c90e73414beaf0ad4088
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae