Evidence row 2130070

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": "2026-11-02T11:23:46.455296Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:46.455296Z",
        "updatedAt": "2026-11-02T11:23:46.455296Z"
      }
    },
    "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": "1.1.0",
      "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":"0988d33a1d5d9021c0f70d538f9dfdcdb6d680324989219bdc122bbd8f72593e","id":2130070,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621908554120,"prev":1828798,"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 2026-11-02 (444186 rows).

1. 0x17ad378ee810545798c4df895a26d73e3269f33f5741bfc1aba6931089471eb5
2. 0x783694f4c1e9707ffd01c0d5c26322aa5f984802025cd1de62bb39ec1ab1e032
3. 0x8e47b6772f68ccb2b86db430478b17748d254e1ad56289ce1f387cebcbb83604
4. 0x3299051703461283dbff1a0f997c9b01d15499d2386c2bba5cf2ba6fd81b4e5d
5. 0xe4578a826cb541a11f75982c26c2c5717d2a5c16016246e2fb45cf9f2ce76c96
6. 0x10ad31cf4bee96ce7d6ff7435e70acd8f13c78a11ff0385a4e1b3fd58f253236
7. 0x110db7939af1a2c058d53942da2226b7e65afc60dd6f2cbc5703dff36de25b5f
8. 0x4a97ac8cccec7e56ccdaa4e9b8dba6254197def53e6113619dcfe5ac93347736
9. 0x428511b039c3c4eae5a80414424e6be65d0766a5a77932d86d4543c55fdc4a64
10. 0xbe6f43271d7faccb56f0b848e5d3a63f63527fc51712daf26988be2cc089cc85
11. 0x499b5d7a70a8f1600c1aacb33fefaac82dee322d227f7ffe6f03567c3573b00d
12. 0x1dc8ba8f08085ecc6abc940de99fd78b8c8285acc2d6e3ac9b076bf78b1fc1bb
13. 0x3c6bb4ee00210310afea4db77a3d5e14b8fbfec0b426541034734f028665bbb4
14. 0xad8410fe2298c1ccff00c301cabf57d2495acf6e614e5236bbeb834747908ca4
15. 0xb6470417fdb2a0e3de9c1abb1722cbc88bc0dfb5afda0a77e1eac26ab1683ece
16. 0xac40f077ca4be8c3432a67771725cc315e8101fc2649999cfad2c900a7640e27
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af