Evidence row 58956

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://fourzerotwo.si/mcp/v/environment"
    ],
    [
      "web",
      "https://fourzerotwo.si/"
    ]
  ],
  "name": "Environment & energy",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-11T19:01:25.200189Z",
        "status": "active",
        "statusChangedAt": "2026-10-11T19:01:25.200189Z",
        "updatedAt": "2026-10-11T19:01:25.200189Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "UK river levels and rainfall, bathing waters, flood warnings, weather, earthquakes and the GB…",
      "name": "si.fourzerotwo/environment",
      "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/environment"
        }
      ],
      "title": "Environment & energy",
      "version": "1.0.0",
      "websiteUrl": "https://fourzerotwo.si"
    }
  },
  "source": "mcp_registry",
  "summary": "UK river levels and rainfall, bathing waters, flood warnings, weather, earthquakes and the GB…"
}

What the leaf hashes

{"body":"1194e5f22b65a9052bbc817f90dc38548e9a2e9ea0bf49de74c949a0801d00d5","id":58956,"kind":"listing","method":"baseline/1","observed_us":1793025445589765,"prev":null,"subject":"mcp_registry:si.fourzerotwo/environment","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. 0xb8f9a959bf91eaf28037e08f38515d4d76171e00372ea04c0be24cb391384691
2. 0x18be965bd1c5dbb70756e381b3399fd0fcf640802c1ce504ad27efe9c64007fc
3. 0x6f9c5bbf976099de688c06e4a020fbeeb547e904f7dd5f9062d124cbb687e690
4. 0xd2881268f3e176c7bfc29fb37e085229da6e9de6c7bee8522b961d3530b8a1f0
5. 0x5a62fadf8fd477daf907bc53a18cf4a7f73cbbd3c1d47ae63377e12c260c028c
6. 0x8eccc01e2bec65ffebefe4ac43873560c869e68fc62b8adb8d11f5574c59d6cc
7. 0xc17f88fcc78889aca5b8504de2cc1055940e267d048b02d3c9872fa3d8468ffe
8. 0x4e311c2576de1f28c1d1a6eba7552c889a812b5b658947023d72c3d52edb341d
9. 0x37e517ac81eae3b7334c27f90ebc74468b578b4dcd792ca4638218e0f7f6daa2
10. 0x258835beede438ebebc963b639363480e6d4ea3839ccb62aeaaad82cefc2fe04
11. 0xcf50b54d8921f0c22877e0b8d6b8393a1954218f000f7cac374e9f40a024f700
12. 0xb6efd79902cac6d5a402ebecb8069402f00961ab80cd71b4d647fbc686d975ec
13. 0x2f43fe2b2533a5f40c107c114e458e226102f5f8ae91f097e964345880e30928
14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae