Evidence row 1744623

What was observed

{
  "endpoints": [
    [
      "web",
      "https://partcad.org/"
    ]
  ],
  "name": "PartCAD",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T05:18:22.555717Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T05:18:22.555717Z",
        "updatedAt": "2026-11-01T05:18:22.555717Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Inspect, render, test and export the parts and assemblies of PartCAD hardware packages",
      "name": "io.github.partcad/partcad",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "The PartCAD package to serve: a directory with a partcad.yaml, or the file. The working directory when unset.",
              "format": "filepath",
              "name": "PC_PATH"
            }
          ],
          "identifier": "partcad",
          "packageArguments": [
            {
              "type": "positional",
              "value": "mcp"
            }
          ],
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.8.273"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/partcad/partcad"
      },
      "title": "PartCAD",
      "version": "0.8.273",
      "websiteUrl": "https://partcad.org"
    }
  },
  "source": "mcp_registry",
  "summary": "Inspect, render, test and export the parts and assemblies of PartCAD hardware packages"
}

What the leaf hashes

{"body":"782948f264593664134ff101050e8b64d6d99a45df7209e726b9aa9181041911","id":1744623,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793513833271145,"prev":45455,"subject":"mcp_registry:io.github.partcad/partcad","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x16fe55bb33d22e99c5550e5f47555fd353e15e12467b1628f89e4ee43aa00f88
2. 0xac115213c24e586906bfe26d9db3898acf23ff535a1c54b7c8c049f1e3dd3846
3. 0x19881ee702928e4922fceb824a82043e43e7d7c8522ec53b2b923db7e05a6b25
4. 0xc467b890d5169fc48cbbc646c9588cfdd5a5ca8df75b20928af9cb11aa74b220
5. 0x4a8a5d166cbd8089dd07affd2397f11ff94fec7aa33dbdba67d3617a2e31f702
6. 0x9ec5c0efefb0f7bf4069301fbe60f961e57108a9e2c0da479832097869679e42
7. 0x37c85e08df9f25d235498d983e862e6fbdd4e5bdf65b467acd01ddf55f2e4496
8. 0x119f145b80969ed1c2f5b28df62aef13133eb52c0c79ed71dc351a9752d9655f
9. 0xa31a81f1cca7d18a9ba870df9c36562a4552329e62931f4217bd3ac7a7f5f9c4
10. 0x7c14b4bb87e70c571596fe2d86c0cf52b5eadf9ef6f92ab4d99ba8536497c9b7
11. 0x1fd4ba042b7828c4e4bcb52c9fc7c5174c5dccec2e856057594851aae0045130
12. 0x146316976b7ec4583b26232bb6d8121bd01137743b2d16993895d49d09e8d1cc
13. 0x10405c22dbe2ed0ca6e6cc381b8fb16e2b184181ad6bf0dbf94a86aec4f16b97
14. 0xa4d26e861503b80bb91bc89e98fcc6daf0fcf003f5a144540ccd91637ccdc11f
15. 0xf1aed005f71411c0df252d9623f284bcac7de199e24c4d4cd5df3e8d3348d3aa
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90