Evidence row 3764560

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": "2026-11-06T19:36:28.704004Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T19:36:28.704004Z",
        "updatedAt": "2026-11-06T19:36:28.704004Z"
      }
    },
    "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": "1.3.1",
      "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":"f77e9811bd8e783b9883f489239bdb34302ddba9e8fe0c43d97f95d8bacdee80","id":3764560,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793996588311429,"prev":3723347,"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 2026-11-06 (303443 rows).

1. 0xefa81be59bda9575280d13513f974e589a736c96f026ca2167719990c5ab645b
2. 0x6c9dbb201f121acf7a6a34d21a8a4860d1d36effba92aa0172a56a7e80000fdc
3. 0x6c086bdbde20f0d1fdf9fdbc0ab1ad6bc715c358423cdd704c5b176dd47c13c5
4. 0x5417aca74d8ec0a43f295c7adc0c72952106a4e4da8fcce98e84350f20c3bcb9
5. 0x2acece5ed5327b15ce6083d572e1f8a6913544fbfb3de95905c347d79f4dce61
6. 0x51ab87959f8a719476c95298a39bdbe8efd30258c215aa895b4c9172075d6a1d
7. 0x97f2b6ef4104ed6f4508632d1583a940b6611cd819dacaa444c23083ede56bef
8. 0xed5ad69922f773d6aa1a9e1eda5622723928b27d8086a2960e6374251e99970c
9. 0xf269990355798ee3598ab97895aab8da90441f9391c1b74a43224047f6d79f49
10. 0xaf6af45458f5d8e5ca75a9f38b048ce71bb6821efca78ec0338a16c64ae3f172
11. 0x746bde4fb9f0e03931fa40cc192256f66fa99e9fd256d48f021a8cb35cd8f9ac
12. 0xa690677335a5515379099d302fd8099718991b50e85fdf787a4785d28a8ae6bf
13. 0x01f90ea19b7200bdba2caedf2dec15b8b4dfb3351cf20fe52122eef24495b1d5
14. 0xf0c5ed643551a46e0398fabe9b2a3859cac500bdf092518c6acdd82ca64ce794
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1