Evidence row 13611

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://camber-mcp.cambercloud.com/mcp"
    ],
    [
      "web",
      "https://docs.cambercloud.com/docs/camber-mcp"
    ]
  ],
  "name": "Camber - Remote Agentic Data Science",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-05-28T05:22:23.984337Z",
        "status": "active",
        "statusChangedAt": "2026-05-28T05:22:23.984337Z",
        "updatedAt": "2026-05-28T05:22:23.984337Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Remote data science agents for Snowflake, Databricks & BigQuery in Claude/Cursor via MCP",
      "name": "com.cambercloud.camber-mcp/camber-mcp-server",
      "remotes": [
        {
          "headers": [
            {
              "description": "Get your API key from https://docs.cambercloud.com/docs/camber-mcp/#get-your-camber-api-key",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {CAMBER_API_KEY}",
              "variables": {
                "CAMBER_API_KEY": {
                  "description": "Your CamberCloud API key.",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://camber-mcp.cambercloud.com/mcp"
        }
      ],
      "title": "Camber - Remote Agentic Data Science",
      "version": "1.0.4",
      "websiteUrl": "https://docs.cambercloud.com/docs/camber-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Remote data science agents for Snowflake, Databricks & BigQuery in Claude/Cursor via MCP"
}

What the leaf hashes

{"body":"4e22c283a0f3545b9d0acaf87801e1f9bcd039e4de1466d2df5cc90121385995","id":13611,"kind":"listing","method":"baseline/1","observed_us":1793025314438789,"prev":null,"subject":"mcp_registry:com.cambercloud.camber-mcp/camber-mcp-server","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xcdfc7729107d5f2e07e254ee6f7e61d28bc4fbb8d4c921eb5dea68127f946092
2. 0x36006c2604489e31a72ebe0b4293d7300f31358565bf54b8ba11c8caa4c6b2c9
3. 0xca7bb5303606cfdbff16d0614dddc74d4147ea150ffc36897728891ed52615ec
4. 0x5fd956e07d4c9f091b95dd12e623b5f9a350baf990aa6df677de6ace33394016
5. 0x10fa19b2db9bc72d40baa5ebddf74a42df8197a087f41481702b2185944fb28c
6. 0x34cc31f6173fab2ecd7926d3377a8d618422eab6842628f7b9df5a74e0629a93
7. 0x148f6fca69e7cd6603455222a251118c1f993d05964f3e99192c23fcbb84ab08
8. 0x2f9a5938e1620e03fa1fc055e2089630b0a2d5e0517212b37131875091994a50
9. 0x91430a077af042d5241ba59962277085bc699eba8d600b4bd9390d0e4dd124b7
10. 0x9a73546a7d103d7486a891fe9f96753919be6696ccb5a70a4044405c08bca716
11. 0xbee3c0dbc9149e89a214e95afe49b5d8a825aaaf7aa1721b2d66bbb287d6fd4d
12. 0xa45f4438c9296b0ba586fc2eec9f0202e5d3c61a1d3adc975b80f6a1f4a5ca57
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae