Evidence row 4183561

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": "2026-11-08T23:08:08.359624Z",
        "status": "active",
        "statusChangedAt": "2026-11-08T23:08:08.359624Z",
        "updatedAt": "2026-11-08T23:08:08.359624Z"
      }
    },
    "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": "1.6.1"
        }
      ],
      "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": "1.6.1",
      "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":"cc925ed80c5d253167fe46cefa81125c69451b14129bc5ef40320301652a2e1d","id":4183561,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794180391105953,"prev":1000881,"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 2026-11-08 (183509 rows).

1. 0x62e73668d8323f1fd5965a45e91d47c0d834aed46cc05e9e8b0dd2bd15930e12
2. 0x731b4c5eaca39a5a48acad03e503ff906f95da9266b0bbdd085671ff744ef55b
3. 0xf61c923509c8c30b25bb6c04b92847e9928fb21f7b8ae20efab1fa649977a7eb
4. 0xcef2b7996ca6ec2f43ab95b99f1bdaafaf6757144f99c2467b4a9e6fdd395d07
5. 0x36dddccea45b5aedbdcb1fc22e4a351feb3c01375e0bd4bac74c10002a7f422c
6. 0x3d0d3ed506323cc808a2c50b8378163032de02497762b867743afc95954d7bf7
7. 0x8ed797dee6d9d9424dad74dae7351110a440c1d4ea1a5aae18d7c217389dc26c
8. 0x9b086fcac8c293052b8410285fd2c0bb1b51bac796e75dbc7fa5314e8fb64d48
9. 0xb5e4e785b1a831e105dec3258b4493354e2e353a563b2ab3d4cdc6d4197dcc74
10. 0x20109b9bfdaf20855b754e401ac7bb7a9a7d3a84fdfcde86572ba80aee0cb197
11. 0xcdcef3422d02eac97238ec3350a6387b3dffc06741396c1c46a61152412e32b5
12. 0xc8368a8ecf10005c3d7d9bca4e6226113f617eb7297b413eded91c06dcb1da32
13. 0x4976235ae63ea3b1b52b6deceacf8844880226311fe7a0c1ca86049c272eb847
14. 0xf6af93676ecbbf3a30bb67105416b38fd90df6207ba3c74e8ad44e57b627ee64
15. 0x05bcd8f656e892538f5e738b226706f16e74ce97562df2ba80c9e743ae39b297
16. 0xcdd2ee028802301b110b0ec5de50a068c6d26496f4b1908c92f0ca613fd24f9a
17. 0x45874ada32d7ee6c17eade12dec01ab7504d43d23be0d9dbb51e642eb39966a4
18. 0x1f0ff2af9da38fef1beef5d2dbcf41f592dca17729b7ab9b9c0b6ef354dc3b83

Day root

0xbf84ec37f88c5f23d2144bd7dbc1ea0f8edc93b3764a885a7164b7923ff3460b

Chained

0x9fea188e4965f50de727e97c40e18d5ff2c2ddbfd4f1ae65e22ddd6f676bccfc

Published

On Arc Testnet, block 71451618: 0xb5273480942a54cd07f291b8319e59976f8d9d0583181c764eed04c9b3f7a022