Evidence row 1537620

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/datacommons/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/datacommons"
    ]
  ],
  "name": "Datacommons",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T21:06:50.499227Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:06:50.499227Z",
        "updatedAt": "2026-10-31T21:06:50.499227Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Data Commons MCP — harmonised public statistics for places, from Google Data Commons (REST v2).",
      "name": "io.github.pipeworx-io/datacommons",
      "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-datacommons",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/datacommons/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-datacommons"
      },
      "title": "Datacommons",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/datacommons"
    }
  },
  "source": "mcp_registry",
  "summary": "Data Commons MCP — harmonised public statistics for places, from Google Data Commons (REST v2)."
}

What the leaf hashes

{"body":"7fd9c8f20a129e6e53d754584a30bec18c2d5b080cbee78f86c572fb3d38e76c","id":1537620,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481415940371,"prev":989612,"subject":"mcp_registry:io.github.pipeworx-io/datacommons","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0x4c5a5f4af8e6bafce3611d7405c595bf8eb319f745e20d553afd168f6c96e71b
2. 0xc8ca9bd4b83cc96e8bc787d78108ce8d23a1cd71c7cc138cb9de10fc6875f5b0
3. 0x547da5fdc37bbc7796cd19a73e78679fe09bb3cddcd117eed9d0f6a7aecc97e2
4. 0xf56ad4b60659a8379f4c162cad450c60d191b5d6541392c3da93e84a0852c027
5. 0xd35fa7f78d6f9a30d08165f6eae9836ba0692f77f6f8a155142e6c208f28f170
6. 0xa032aa834fa989810574825360679ef28c6d832c2513ffcccc2d0cecfd16a927
7. 0x82b237a8d7c0d06863b57a1ec55892f26a406ed6bbc98da40c59cf4e20fda35b
8. 0xe262e088d71881cd927a9eca9d79967b08066380f00b07c1a9b9bd674f8b3e37
9. 0xf62660e8d4759170eed10bbb9e612ebd5751ef1c8c53e69787cc8c23a8f9c521
10. 0xba53c732d16d3df5c356dce26b5a54135225b2561a319b62affd2cc0cc3473df
11. 0x09c57d4a165c02842fe83d9990d476fbb49c1736a167a7d103a8fad025f85c85
12. 0xd8082ac82a3597a5d01801914570acfd58eb4768c625e0c1bea0c5481620828a
13. 0x3b31ad2e230b4adddfd3db6e960243f893810b5bd12d29f0e9a17684e7acb3b6
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0