Evidence row 2281568

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/luchtmeetnet/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/luchtmeetnet"
    ]
  ],
  "name": "Luchtmeetnet",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-02T21:05:41.256449Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T21:05:41.256449Z",
        "updatedAt": "2026-11-02T21:05:41.256449Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Luchtmeetnet MCP — official Netherlands air quality (RIVM Luchtmeetnet, api.luchtmeetnet.nl)",
      "name": "io.github.pipeworx-io/luchtmeetnet",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-luchtmeetnet",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/luchtmeetnet/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-luchtmeetnet"
      },
      "title": "Luchtmeetnet",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/luchtmeetnet"
    }
  },
  "source": "mcp_registry",
  "summary": "Luchtmeetnet MCP — official Netherlands air quality (RIVM Luchtmeetnet, api.luchtmeetnet.nl)"
}

What the leaf hashes

{"body":"ec04177323f3142a1ee3bf67119e7a3145861bb63d16541042199f30df5706a6","id":2281568,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793654329152420,"prev":996946,"subject":"mcp_registry:io.github.pipeworx-io/luchtmeetnet","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x65dc9ebf7a03889464511921e3eab3cb9f7f8eea94a278b1813e4b990fefddbe
2. 0x9aa399834f327aa8f6d57118b7a852e2f30c4e831c20b361f0ef0e91d70fa291
3. 0x64dd27b5261d13ee35755b914679abf746cd5144efbdf2605af13d0950b9adbf
4. 0x613b0467bf4eb1c7cdcc95c09313ee17d47915cff0500e6e758aebe49fad94a5
5. 0x683aca25028dcbe2a2a0b4f2357f015b1afb8aada11fb1fe66677743248cbd5a
6. 0xe5ad1b3cf4b81502e4fad3927b48f681b0ac2d19a33aee7e8f777bff4af387c9
7. 0x411f9bd9a50a811293adf2605fafb096f36472748a9e53eb1066ae845e9701c0
8. 0x514ad736b56a36c5110a65006b7690d6fd4f0b1fc7d6919d09d32d886aba4c72
9. 0x2d166edb79db226cba4680d3ad6b730a5a937c25990dc6b3a5f16e3f9c83dcad
10. 0xe314e98b90ea8fd7bc739c20e04c22d24278a1c6f5e8693dbf16f44ffadf1bab
11. 0x43e8664ca4268b3101d43943336d34988ce9f22f103ec12b96183d3049a78698
12. 0xc896eaae3056ce1ba9baca9b17e29ba832a897624bdd998bac108458e38c2648
13. 0xc1de5d78ad0d5e6c3608f4aebcde48975d4694ff02af180260cf7b52890d7af1
14. 0xfb5ea8fd7d0c463ff98fdc93228854845802421c0e3865536227edf756498fcd
15. 0x23f4763e8db2efe57fbc28dfc68f2b97b65f54a03425994e68157763af649a50
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af