Evidence row 2546295

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": "2026-11-03T07:15:52.200135Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:52.200135Z",
        "updatedAt": "2026-11-03T07:15:52.200135Z"
      }
    },
    "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": "1.1.1",
      "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":"24acffa9ff35a7078880dff623eaf15dfbb7657dee03f171aa4ec9dd563b41e2","id":2546295,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690345185809,"prev":2130070,"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. 0xe1ad5b3c9a53e28b21b3cadaa677268e5adb2629f20f538e666072a8282604a3
2. 0x6369687cd02bac05d02527f57f5b2d578469c85da8c7cc5f8eb35e62e77fba40
3. 0xc01d8697380c971ed73cee2c44ba086616ae4b437318c631d202707d79cb65a7
4. 0x14fe307f0b65d80f9185cbdbdf23f975e3821df247f0b7cfbe56577494c5cb4b
5. 0x1e47d81e5fe91ea4e4eada12572f22aaf6e5501e1030ffb3bc520c7f748c599b
6. 0xb378a232fde8e71b7ceab3303ecef50d1adbcf489dec270b79dae146881deed2
7. 0x7b2cc36928bae31adc72a48786bb1bd3dedf25f2d2f950edb724270b0bad22af
8. 0xcc0e157f858cba3a9ba2ff19e35b5f21f7e5663379a9132828bfe4ec663bec66
9. 0xd66146f020ee6a71a09048d5249ddf1bc1fddde8d9e07041df8b489c09a9b334
10. 0xa04d82258de6cf5afdb2186a61884d396e0743da5850b17e9f92d6666238b729
11. 0xf3e764df69c4a31e38772876976a16ab82c4d78b3f70d54e20f2b768f07f4870
12. 0xc971d36ebf71dfd71e121a858cecbb4888f890eba0d5d5244be7b699fc072974
13. 0x2bacb7a3207deb74c13a1bdaa0fbb22b2ae9ba7754f80426bad8f93bff67d978
14. 0xf325d91f08ffb7f78519bd5f04dd572a693eaed62aa76d674f6e757bd5f0f276
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7