Evidence row 3395815

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": "2026-11-05T11:42:52.318644Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:52.318644Z",
        "updatedAt": "2026-11-05T11:42:52.318644Z"
      }
    },
    "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": "1.2.2",
      "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":"7bc7224779a7e3c0bd5721bf22c86ea3cb4b85682f69c8332cb42efb9f99a08b","id":3395815,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287660323,"prev":2726254,"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. 0x467e944ac6c4ccfd857220f7cef44dac5fdcc11f700a2c1fa6bffd983ebc5565
2. 0xf75ee249d89891bfeffd7e9907bc336158453d54c2c75c8188e1b8ccc6f4fb76
3. 0x5902999dbabf46fa8c884eecf8d6657d3722e042c948271d8cbde4cfb609a0e9
4. 0x2ee767b5925fdd956b3eae5081079d73a8b5879e208b3129183935a4131a0422
5. 0x6ce9e3d7a61d1155999e9798b457779e1a28678cdf34e2133cb32e72fbf3fba8
6. 0x65b9b85aebb5cba9d6472274c60fe73d083a3fbbfaddf09297eb1f6f12b94146
7. 0x6c712321376963cff5a914999cd0670391a82cf070ce9a5cd793cb3e09e3d32c
8. 0xe5ff048d347f8816ecb658a656304799750d77d037adb18ce5aeed09c1ff34b9
9. 0xd9528ed26041d0e5e7ec13b86ba7b4a478fb9a77c41c739f46b6495f6d8ca2b4
10. 0xe142a1aec4ad74d2811d691810d48ec07c5c694aec6af0332338271d4b062f83
11. 0xb3a4b71cfdab4ba5db196cd09aa2c12aa7e52cbc10ef1d6a101e876648e9e2ef
12. 0x230b58d4e6053edf98a14bbb5181e3e4b8bd9c28e649e934ce2c1c8843171875
13. 0x649d8ec60f06f8cc0c38fdc08389782fe23f0b52157e9e096cdf0a782e022b10
14. 0x23329bf53eb2e958bbb3475e431fb82ddb0bfd349513425995db63fcba47983f
15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94