Evidence row 23714

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.grundfast.dk/mcp"
    ],
    [
      "web",
      "https://grundfast.dk/mcp-server"
    ]
  ],
  "name": "Grundfast — Danish property & geodata",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-08-20T19:41:13.342403Z",
        "status": "active",
        "statusChangedAt": "2026-08-20T19:41:13.342403Z",
        "updatedAt": "2026-08-20T19:41:13.342403Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Danish address & property lookup: BBR, Matriklen, DAR, CVR. A DAWA/Datafordeler-compatible source.",
      "name": "dk.grundfast/danish-address-property-data",
      "remotes": [
        {
          "headers": [
            {
              "description": "Grundfast API key as a bearer token. Create one free at https://grundfast.dk/dashboard — use a gf_test_ key to explore without being billed, or a gf_live_ key for metered production traffic.",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "placeholder": "Bearer gf_live_..."
            }
          ],
          "type": "streamable-http",
          "url": "https://api.grundfast.dk/mcp"
        }
      ],
      "title": "Grundfast — Danish property & geodata",
      "version": "1.0.0",
      "websiteUrl": "https://grundfast.dk/mcp-server"
    }
  },
  "source": "mcp_registry",
  "summary": "Danish address & property lookup: BBR, Matriklen, DAR, CVR. A DAWA/Datafordeler-compatible source."
}

What the leaf hashes

{"body":"8576da0a880990c43bb258120ab3d744d020e7fe6f19596c4c7b8ac0f20d40fa","id":23714,"kind":"listing","method":"baseline/1","observed_us":1793025351398652,"prev":null,"subject":"mcp_registry:dk.grundfast/danish-address-property-data","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. 0x24ff84f5e85ef04e063ae1cd46bb3252ad6848a5e6022b2b262138ba555d7e7a
2. 0x043a3c44955636474bc83f287d6c87a5beb26d899cb2b245a9b9e5a7c4b69dcd
3. 0xdb2d5940bcaeafe93391f194648f44199d520286265381e57ce137354a901e74
4. 0x6818a633c517469163f59dde3e3165e5cde585d9336447d764cf7a138381075e
5. 0x763e84590788161af227a58fa3ba36b33fe7a83684b1ddb8c548340d5fb6dad3
6. 0x67213f9cbb8418099aa2cfe78dda010212b12544c6e1364725f81ee763fb4456
7. 0xb574b520f5924f41f38bcf75fbba97cf55cdc303218bb4aa323597fac4b12cfe
8. 0x0b7d75f5f71a676d1cd26ea28f2a5a35e59f5e0d241aac8666af047601a9b876
9. 0xbc781e6c530daa7c3ac72f126a5bbc27a9aee79748aa2d5017f95d3457c94154
10. 0xa3e719d02f51b46be66819cdf2d71d951df05065c30197eda7848e688a094863
11. 0xcd59d6e87f33016070792bd627b1f58155e890e1fdf84deab560cdcb1c986874
12. 0x2ceb9cc3a43f479e6ab73db5d3d474a93995fb4188ee45f71846b4cf537a0016
13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae