Evidence row 2720890

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/opencollective/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/opencollective"
    ]
  ],
  "name": "Opencollective",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T21:29:26.348081Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T21:29:26.348081Z",
        "updatedAt": "2026-11-03T21:29:26.348081Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Open Collective public MCP.",
      "name": "io.github.pipeworx-io/opencollective",
      "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-opencollective",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/opencollective/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-opencollective"
      },
      "title": "Opencollective",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/opencollective"
    }
  },
  "source": "mcp_registry",
  "summary": "Open Collective public MCP."
}

What the leaf hashes

{"body":"4cfa3f3e9eef35250f5015c85c31c5ca497a870f9ac48249632da9d06a32dcb2","id":2720890,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793744388984505,"prev":1001157,"subject":"mcp_registry:io.github.pipeworx-io/opencollective","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x38b9610db6346f4db5aad51decaf18410a093b9e0975c26fc58dc7f858bd2c0c
2. 0xb9cd7dc79c1bfa090519a74e4ff6f13145900f2f0e9bbf242d1759c1aa8ed847
3. 0xc6eab12c9d0ee97bbda7628ba945fdd3f99a46b29620fb34693d184f8b654512
4. 0x177ed7de91d4321abb311d76bdf33b067e643a2e63230d5a216612ca89832db3
5. 0x8e9e13dd8ef4ddc5c1d54e1b2d97fb5c29c5641d749508529a2d9149a88914a8
6. 0xd7e371a96bd9369c429562418a0fd1f3cc2c3757b8880e426b7c41960a206f75
7. 0xd94d25ac476dd57540dfab78c54c512712527a08f8df5dc6ef1a45180673300a
8. 0x0dc2bb6d47033dfc3b5dca78e22f81aeaef0f708c848fc109d0d0bc3d339bdc1
9. 0x4a2659811f558ed7d80d4ed3ac0af53d23b47bc9f3dbd3570b9e222ec2e650e5
10. 0x1e2c67dcccb57af1f62c9fd6f16ab7b8bb1446a660006f5afb7308c51f1be845
11. 0xfe90702be2b4dc29e6f3018751ac41b40b9688d02a21797c59715ea0cf4f6a19
12. 0x68b28488a5f1206d54658e4c56356c8dac4c799719ceeac59b9b83cd42375420
13. 0x9ff0540c065d2c066aa07e30d42707c88f5f7729bc3c89880661802495922729
14. 0x58aed1257fcd4ee1c84710e1858bdde1ba134c86ed73f1f35a7aeaeacd9398e4
15. 0xb1fe1f6398b7faed977bc6cc75b0a8404ef5a6cb386ca30aebdb7450b7bb6dbe
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7