Evidence row 3414066

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": "2026-11-05T13:39:04.670591Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:39:04.670591Z",
        "updatedAt": "2026-11-05T13:39:04.670591Z"
      }
    },
    "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": "1.2.3",
      "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":"773b477f904423f7038628ab7df7b29d5664515e75c816dc7f69d877bb940a16","id":3414066,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495561546,"prev":3395815,"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 2026-11-05 (322504 rows).

1. 0x5dfa0eaa13ca3af1940112b9f646fba872c86524a8f9e2cd2bbfcb1e94036dc6
2. 0x6a8fc123000441c458752e788de09fcb8d27404de26b32909f0005504f0ac803
3. 0x5282e18bfb7bc6ea960e9c70223fdfd1b67433383d0d5bfd8d9ea0d042030ef6
4. 0x2bae56314435637293d100ee8514482d2f578e129e7ce483acb67c1b2d19e3ca
5. 0xb0c5d57bbc3282859399ddfa14881bc756a44406b59df0d671911d52c51c9084
6. 0xa97c5a57eae1e9be992a7150f8698aaf6d1b332982f613b117b48f256c2791e1
7. 0x39d1b2c9ae8921579aeddfd5e2a7b02ebdb63fbc18d756b2b6e93620fe87db04
8. 0x39d53cde41321a62a4066e5fcee162f905cfc54b5d526ca2b1cd053f3669069c
9. 0xbfd3f8450b9c3df0c787099a469032ba3dbdd050aa936724d3c29be4cf92b388
10. 0x4376829987df8361e00dbc5947d692c7fbe200c06f7c1bc05c596fe39e5957dc
11. 0x82d96c124be58a79ee2311ef118bf55f259d0417c46e1aebffa3773bf1048bc6
12. 0x40d7850bc154ac27455e1b3c9b8f2c9814d1cb44b420b89a844a68a84cb09953
13. 0xe87a0ce6101e0e2ffe4c6ae4b4ce479481e520c0524e7d43696e9521834ab9e1
14. 0xa2dc8f96b204e9ca3e547eaad92221ac78dc5f058c6959b821d49395bfe96c5a
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94