Evidence row 2726254

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cerebras.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/cerebras/"
    ]
  ],
  "name": "Cerebras MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T22:30:41.345777Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:41.345777Z",
        "updatedAt": "2026-11-03T22:30:41.345777Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "List models, read model details and send chat messages in Cerebras.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/cerebras",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cerebras.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/cerebras",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Cerebras MCP by usefulapi",
      "version": "1.2.1",
      "websiteUrl": "https://usefulapi.io/cerebras/"
    }
  },
  "source": "mcp_registry",
  "summary": "List models, read model details and send chat messages in Cerebras."
}

What the leaf hashes

{"body":"2e33957761499ced291b4136bdcc39c4c43bdbe48e6a4114a547f55a23f84db6","id":2726254,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991223513,"prev":2564400,"subject":"mcp_registry:io.usefulapi/cerebras","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. 0xd2536cbae207844b838aefef192e4502f303fd4dd81751be49b649c079dbc88a
2. 0x52f801e71da351347cf0668223748cbf19dc03c582f90fac7b4a850717a229ed
3. 0x99a0b1257355512225a07b7e2553c2c4258f3a490db741c090348b4874bbc990
4. 0xfd585a29350578c382bf8973a18794d6cd74e868ae04c28c11647d6f88f383c6
5. 0x812a05728c0f97f0cab28bfb5a7c8bfa1c1e78bc75164f0688fe8af775031e44
6. 0x91d2e4b0cb4ac1c5d460ecaa7d67087a6489e85fdc8dc8f480f7e27517b9d488
7. 0xd76cd8bd94d5bc4141993ea3615241e144f0fb56fc90362408262cf35bbbeed6
8. 0xc9365225038f785b6616c30509487f76d1a72a6c025ce25c032c9cdf64013ea2
9. 0x912e2bc2eae6023640e2ad49b1fd599152a960957577224e38b65382f36d0edf
10. 0xfdfb0accc649230e63edbd7142632764a5eac0eb6dca0ede45c75fee2d1b97a9
11. 0x0b6b8418ec2cdb43b28266c62e6dea6534fccd1c09e8159502a857a4b5ed6dde
12. 0x84d5afe768ae5fbe85eb40b07442f838f684608bc32825df14680ecfa368eb9b
13. 0x261ca0740df5e85e5b16f678c029786a225e51713bd46a7b64085ef0d324efa0
14. 0x94b4711f52f98fdf3a85e64c6203d4ddef1de7bb28622e3dd8d8ecbb16081950
15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7