Evidence row 3723347

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": "2026-11-06T12:09:51.321969Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:51.321969Z",
        "updatedAt": "2026-11-06T12:09:51.321969Z"
      }
    },
    "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": "1.2.4",
      "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":"13e5678f8c06a9b87657df77de05bd49d6fc2dc82fe80f45e1b38b0dad91a6d2","id":3723347,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967737005399,"prev":3414066,"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. 0x5102c375e6f0195f550df82d8d6a6c2fdd844a9293baed0726e356bdcdb465db
2. 0xb26fd18282a0109ee41c1a01ddcaaee31d8de51bf3eb106d7dbd150da33a56f6
3. 0x63efcdf9eb90a10d5660ccb94d62c702561c0ff1da093697f6a1adf485f99d93
4. 0xc7c54f156b1d09eab0db5817b13ac2ef6644123011effd2eb163c4aadf683202
5. 0xdb05d659d2c71e80e284f881d06cc66b50b9ec64f8ebb1cc1154750a6ac0ddd2
6. 0x527f693b1e0d2cd709ab0f64f55a4384c7cd57f659d748594c1ae18ae6ed8f3b
7. 0xcd6af7a4a40d72ae21dc10cf78cfc82cbbf4844879933a4d041f9003d71bf4e1
8. 0x1c3c4f864fea8f41819b8223090f486139cc5bec1ef9598f58d06ea47203da2c
9. 0x0329fd7a9f2b9bc84b155f6da12de2d49ff79e10bbb8f8b92065c7128640e6f2
10. 0xa1ac2a9bdecebe1d5b2b688b449cf707dfdedf73538767aa9864921aaef44e3d
11. 0x4b74633a1e687388a7ca3b711f0f2d4598024d2b8907083ec1cd385062e18e3f
12. 0x32e882f5a8dc9d154ec4260e55ee94a521c588758d1c53cbf394add54de79168
13. 0xcf2c777b5dbd1e7eb45fbeda489337100670390a568572ec6e0a21fd677fc201
14. 0xaf9524acc11af4619d183021d0dd97b098258f9af2441d3d61343f3bbe112bb9
15. 0xa18562956ef32715be3beef73e0db96be2b79caa00a0157b81ff91d577507391
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1