Evidence row 44726

What was observed

{
  "endpoints": [
    [
      "web",
      "https://three.ws/"
    ]
  ],
  "name": "three.ws Brain",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-10T20:46:41.304079Z",
        "status": "active",
        "statusChangedAt": "2026-10-10T20:46:41.304079Z",
        "updatedAt": "2026-10-10T20:46:41.304079Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "List LLM providers and run chat completions through the three.ws multi-provider router.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://three.ws/three-ws-mcp-icon.svg"
        }
      ],
      "name": "io.github.nirholas/brain-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "default": "https://three.ws",
              "description": "Base URL of the three.ws API that fronts the LLM router (/api/brain/chat). Override only when self-hosting or targeting a preview deployment.",
              "format": "string",
              "name": "THREE_WS_BASE"
            },
            {
              "description": "Optional three.ws API key (sk_live_… / sk_test_…) or OAuth access token, sent as a Bearer token. Required only to use paid first-party flagships (Claude, GPT-5, o3, Grok, Qwen Plus, DeepSeek). Free open-weight tiers (GPT-OSS 120B, NVIDIA NIM models) work with no key. Create one at https://three.ws/dashboard/developers.",
              "format": "string",
              "isSecret": true,
              "name": "THREE_WS_API_KEY"
            },
            {
              "default": "120000",
              "description": "Per-request timeout in milliseconds. Chat completions stream server-side and are collapsed into a single reply, so this is generous by default to ride out a long flagship answer.",
              "format": "number",
              "name": "THREE_WS_TIMEOUT_MS"
            }
          ],
          "identifier": "@three-ws/brain-mcp",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.4"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "packages/brain-mcp",
        "url": "https://github.com/nirholas/three.ws"
      },
      "title": "three.ws Brain",
      "version": "0.1.4",
      "websiteUrl": "https://three.ws"
    }
  },
  "source": "mcp_registry",
  "summary": "List LLM providers and run chat completions through the three.ws multi-provider router."
}

What the leaf hashes

{"body":"b1d0f29f5556b66920343b98eb94f22515d2de4afa584e53facb6f2f81d69de0","id":44726,"kind":"listing","method":"baseline/1","observed_us":1793025405158432,"prev":null,"subject":"mcp_registry:io.github.nirholas/brain-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1c49dd87af46192c0335f69ee6bbb393a8423a5a49c56fba90c65e690413b626
2. 0x6aa5fdd73f6de0c45bdc48f8cbafd12224f663711a9a29818a16b1fdc154b96e
3. 0xc7f0258febc81e2b507becf36056d862e472877dc9b7e5d447084d3191d80934
4. 0xe28d2192bde419a4009e982819334e6bc2f66576e05b787a68d9e7fabb3e9168
5. 0xc6efb3e9d4f567a766b6677aa8aab37bc26eb241dd6572c3aab59d564b48ce0a
6. 0x98d49a616e4f62d119829affe900da7c971f07a6a3ae6e47843e566d09e10b08
7. 0x575787d95b37f183318617446fac38e26e75b29c4fd57c9b5212832a2fbb266f
8. 0xe5185264b1d20b414080fa0183dd6ac218b026cea6546f2194e6006aa93378eb
9. 0x2d421bc9466d0d4b4327525e0ea891650f7ef1bb786aac0e9343baa14ec49fe2
10. 0xff0b07a758b1dcaf0eebbded2fa92a070a531479a35a33200105774bbc143b25
11. 0xa71cc4f892400c8dd1d9d33faa6b7466eba77734b3716286b78aa51d46ff4255
12. 0x7ab2e7902b312a74cfdbc32b2906ced29b1fb9dc4280b5378e8eb181ad88686e
13. 0xe00c7829e46541e49a308807d357db902e06eff941a833217a8f0dbccd3964f1
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae