Evidence row 996946

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": "2026-10-29T04:41:25.724013Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T04:41:25.724013Z",
        "updatedAt": "2026-10-29T04:41:25.724013Z"
      }
    },
    "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": "0.2.0"
        }
      ],
      "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": "0.2.0",
      "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":"89ec6b4e4dab821f7b8b9782ccab16949b07dc606806ed34f5a3e3d4899dfd8f","id":996946,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793250769387945,"prev":46896,"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 2026-10-29 (242798 rows).

1. 0xea951cb2d3db8cdccb33c38e3f6940b4d5e149bf44809a874ed78001749894be
2. 0xfa820c13a6cc42272ea33ac5190bc9b732dcbb7f16a1d683aa9459235e429af6
3. 0xab4b7328392f38a39bb053f4e451e34d3ca7d5d9cdfec2d01f35b264bac99504
4. 0x145fb0dddff016358599d96f580ebbdf4973181223dc851d5869ac3747e74701
5. 0xe5d7f58fd8e9054c99649190263a1e5cc314c772e77399fe1bab8aa888739f52
6. 0x6e8a6c8191d59ba54ced120a13b397b5a701d33475311696b547607410549bc6
7. 0x6956d525b18575f7bc38c1f45ff93b2faa02120f07d091a462d454550df89f84
8. 0x28eeb032fdfb8294817315c70f39e8a72576d880954270034bd8611bfa43b1d2
9. 0x0e0645ba914d547233ec4a81ad3048c89767a9405c70805559fa5f11d470a882
10. 0x89e6e2e2522b8375236c6e637ffae12bf9aa37c80f6e3d2d29e6ba6fce90c71f
11. 0xe78d99394a0a19b80b05f264555011e85150347eaf5c540bddb5aa3111e28ade
12. 0x0527771872fe2090a8a96ead9de072b8ad5430010cb3eb4cfdc2924ad2bbb968
13. 0xd859aa207a49a75c74466a67b0aea90b4b36aafb58c39ccec12a122ee264cece
14. 0xdd7eee8bdadd60ea2c845df144e254573e75dd4221ce0c344f92f184bcc69afd
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1