Evidence row 3945000

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": "2026-11-07T09:18:19.726972Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:19.726972Z",
        "updatedAt": "2026-11-07T09:18:19.726972Z"
      }
    },
    "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": "1.3.3",
      "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":"f56bfeb0b06b31f7eb4cf253f4d054da700db4cd424a6e74ed74aa1ef85a9b9a","id":3945000,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043454069006,"prev":3775019,"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 2026-11-07 (195826 rows).

1. 0x79a6108f27bb186310788e2b05dade6415f6ad465d205252668ffca18b59a9c5
2. 0xa182f3bd3d9c5f5a7fce648aa4af11c6e37cb7c140fdda4e54acda0b91c4179f
3. 0x003c0099174928da7f8e53233dca3d46d89c82b8d98c825077e12ee6479f16f7
4. 0x1bba07e572a6d6832bfc59d4cd4eb544971984314d986f651361e00e8f4b1399
5. 0x0fa2b284707088f77c718c500f3bc7cd39a771b0bfbf2891e4bd9efa5ddb0ee6
6. 0x218f4d2b2c73d81e31b09007fab929b5483d868f93a586c7391616c76da8e96f
7. 0xd815b743bb03e7b4a07529b923cc69eeb70ed6e8683cce39137b71ed55cfe5dd
8. 0x63a8d3577c2e86aadb41ca267da5de16d6110a42ab94835da92c82c2c6400875
9. 0xbe418c98aaad10575365d99255b789522c6b2a839befbd716a3676d785acc26b
10. 0x86f30ecab4a3c1359559900259ff56e5f72fffa354f807daa18aa6d9f3629e7f
11. 0x7b65c669a78b4cff9679e1b957dbdd1fcdf7bd75d6c41473d648ebad5bdc4aec
12. 0x3a433af969197ca235bef6a876f4a6926b4e7d13d71d02dcb8df88cb630a1330
13. 0xd445f2917713e4a9cf58e8d6c62200bce02b187115510c936159d350d5797da6
14. 0xc9930015910e15b4a3ee7fa6677b93ccee48576a50ff5a3514be8ce187946e8f
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa