Evidence row 3396434

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/weatherbit/"
    ],
    [
      "mcp",
      "https://weatherbit.usefulapi.io/mcp"
    ]
  ],
  "name": "Weatherbit MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T11:41:53.395337Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:53.395337Z",
        "updatedAt": "2026-11-05T11:41:53.395337Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Weatherbit forecasts, weather history, air quality, agriculture, energy, and API usage.",
      "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/weatherbit",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://weatherbit.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/weatherbit",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Weatherbit MCP by usefulapi",
      "version": "1.6.2",
      "websiteUrl": "https://usefulapi.io/weatherbit/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Weatherbit forecasts, weather history, air quality, agriculture, energy, and API usage."
}

What the leaf hashes

{"body":"7234c0dde9d94f5638fbc6a7ea6b00a658db6892a44a3d9542e6595b86fee7fc","id":3396434,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881291621413,"prev":2726867,"subject":"mcp_registry:io.usefulapi/weatherbit","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. 0x9e11f9383e46939cbd813e2b3c690b895f5be5e8aa0ea3a85b7e1a299574c57f
2. 0x7c67125e40155b201a8017c5a7c87bff35f99ec9bf0649c3898140ba3731b4bc
3. 0x046ce8c4f332990a1ce0b8a2dad799f1a4a5aa737b1b7818ecbba5ca263c5a37
4. 0xd21853ee522e4be73d293731389657af035e123d520c48a8a34b7b275ed0da67
5. 0x8199402d6c3f5b5df00a0f9c8235d055d315f631e7e7f2f2ea4fb878f1f7ad69
6. 0xfc564892e1aa9fc333ec0927dc1823d871a3c92a793e21e67921b8f3e4c10035
7. 0xbd8645c9d349db60607b140d1100f402517588a78dbaf3152383a4a203fae3e2
8. 0xcfa6e603fc5f4e0d0eb735ba5fa204abbb813a92f9e5fd6154aca87afabce2d0
9. 0x7745d72bdff0b304f403f5efd0ac109f56ac0eca1d17ddb3f380d0704f158ddf
10. 0x588bdace6399fdc21ea36f9645f63c29d7551d5498ffa282d34bc9dccfdea659
11. 0xa527b309b77429d45dcdfcdc712da1fb230fd28440d7b272db83f2c57e6d16bf
12. 0x91dfb1a755403a4801cbb86ed45d719a16d2e0205341cac30aafef27d4d4b4f7
13. 0x0a13e97db35b75b1fa4a980a983d70a3faef45fe0712276313bd8e2bdd17925f
14. 0x4f0cefc0c8bc4d2d4ee11f86382293ff9f7ade603fe97facf1dc3f69ca642cf6
15. 0x1c65721edf79939e1513441d5a9e3be301d6801a492ba436ec3148b4e982f044
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94