Evidence row 1537567

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/data-howardcounty/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/data-howardcounty"
    ]
  ],
  "name": "Data Howardcounty",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T20:57:43.34514Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:43.34514Z",
        "updatedAt": "2026-10-31T20:57:43.34514Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Howard County Open Data (opendata.howardcountymd.gov) Socrata MCP.",
      "name": "io.github.pipeworx-io/data-howardcounty",
      "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-data-howardcounty",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/data-howardcounty/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-data-howardcounty"
      },
      "title": "Data Howardcounty",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/data-howardcounty"
    }
  },
  "source": "mcp_registry",
  "summary": "Howard County Open Data (opendata.howardcountymd.gov) Socrata MCP."
}

What the leaf hashes

{"body":"d4723dbc3bb5717a23eb5ed25af502074ccf60f01df229d125b247f350de7aaa","id":1537567,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481415778848,"prev":1000975,"subject":"mcp_registry:io.github.pipeworx-io/data-howardcounty","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. 0xf8a6280ad0774ddb8516cc8daed73bb659be051bf3d77de28ed45ba11eff9dea
2. 0x68205a04d250cc4847985a2ad0f9c536b7cf4ab7e21b0eaaecf04ef9769c8ecb
3. 0x7d151ef66159f18a0d5f32411acb2c1a7e38bf494de13c79b05660b5633cd21d
4. 0x8a4a38b1597393c24fd0832af76e3b898895ee38e0785569c9745f4db32c0813
5. 0x26b91503b8b240e65345ae9e6402ff1a8b2846fa3494f65faf807ce755b2a860
6. 0xf1a0cf0ce38756dd0efc431194e04846f7e681e76f194588ad75adf9e397ba5e
7. 0xfeb65d55473f7c4a3282f222057148c6ad9c9926b7d69fc0b58b3355aee358f7
8. 0xb30415f7952523a3c9c67147c40c40644a707a980c469d48e3983fbc3e941c70
9. 0xbfa166e84372fb3f2c1b2a7af7b7de2a79ec12008eb1f41cf5ae347f179eab75
10. 0xd4c55e36e16eab703d0725fcf75f0f862ab53ac7accd8965be2737a44ee6d367
11. 0x57d04e8c0dfbc48ed42709d97edd65eaa6f019b6e775d93d626d53b8f8c8fb39
12. 0xe88490f2b8597b4ba31fe5cd2844c81e5da21890cc3a4b4c1dadbb6a939407e7
13. 0x6c4324d3edf63f1c5818a600ecde74e6316cc337c4218b73b366a817b8e059b6
14. 0xe2a6611300abdb7312e664a37fe7f1b470ff8ebe48733a7b7064c0db1f012dd5
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0