Evidence row 1000881

What was observed

{
  "endpoints": [
    [
      "web",
      "https://learn.bitbybit.dev/learn/using-ai-with-bitbybit/mcp/bitbybit-mcp"
    ],
    [
      "mcp",
      "https://mcp.bitbybit.dev/mcp"
    ]
  ],
  "name": "Bitbybit CAD MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T05:48:46.264786Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:48:46.264786Z",
        "updatedAt": "2026-10-29T05:48:46.264786Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "192x192"
          ],
          "src": "https://learn.bitbybit.dev/img/favicon-192x192.png"
        }
      ],
      "name": "dev.bitbybit/cad",
      "packages": [
        {
          "identifier": "@bitbybit-dev/mcp",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "1.6.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.bitbybit.dev/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/dev/mcp",
        "url": "https://github.com/bitbybit-dev/bitbybit"
      },
      "title": "Bitbybit CAD MCP",
      "version": "1.6.0",
      "websiteUrl": "https://learn.bitbybit.dev/learn/using-ai-with-bitbybit/mcp/bitbybit-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide"
}

What the leaf hashes

{"body":"56fb1080e42547abff0192df2642c80885722b8cc60b6c91125bfb41bf026362","id":1000881,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254371076735,"prev":22642,"subject":"mcp_registry:dev.bitbybit/cad","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. 0x905b8c101b0eaa97db2ad562f215812211faa958717ad48eddee0d4e43bb0720
2. 0x89c0ec786a8ad9372ce2a80b88fb4b2a0b39a07c32389dc6332e34721a9f18e4
3. 0x1ed21a3fc414578257ef9b148b7b1f05c2b0f8ade5cd6db7fc8f1f6375dcdc50
4. 0x5971c510008e93aad44575ead03c984e127abe6209f82b7909e68cc9ed4b300a
5. 0x9045c995aacd530d71ab3faf35545ce7aa81c4b01d84fca8b7b85a318a181b98
6. 0x42e1f5ed1e921a54835eea6556592767a5173ca886156b0a5010667b6153b860
7. 0xe89c433f1a7930b19520bdaaef9713bb62f0702a749d3e607524e062d077ed69
8. 0xf82101e059e1cafd438da4a4601c20dbab9e99724f8572c78b9711b840c812e6
9. 0x1c5e6fb91749d09f89e6bbba1f9d4bb85026bfa601f4d1efe0ef2b4daa855014
10. 0xa377cda282b510d3c82bbe2a149176f33053dc198107991d69f160bd01574848
11. 0x2f386b23f0516f5c4d83a4da418ba06fbc5d5d270fd1e0d9a30d7e42cb5d7c7a
12. 0x924a97a5d68012ac776583a7dc748c3226aabfbbbb479e996042842cb6f43fc3
13. 0x834e0aae5de1c77f23e901b21cc37833f72279146f0a5e458548b82d6bed2b7a
14. 0x2ec9677def553f2064a7e34081a129a91f7999a429ef2705c4c539a9602f3bbf
15. 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1