Evidence row 1482293

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": "2026-10-31T10:53:43.845272Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T10:53:43.845272Z",
        "updatedAt": "2026-10-31T10:53:43.845272Z"
      }
    },
    "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": "1.1.0",
      "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":"92e9a10833f576e7a919a320f907e4a0006dbc08e7dcdc4996824c68139d5591","id":1482293,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793445365800105,"prev":1257884,"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 2026-10-31 (246033 rows).

1. 0xad8e1a5fda449675a20f1d3646ae903f09b92ecf5ea23fa87d8ea073d06f4754
2. 0x5863ca9e5147a0a00f3924ae45df219b2a50cc0d2dbe6e512cac85024767545b
3. 0x055e708743b90a2b5be2ec5ef10233450df2b4f533a38e7004a06156df00a255
4. 0x51b49ebe55be48e19f8dc3517fbd408858401a5ef397445286f49d2cc2503fbb
5. 0xa67aa9230eec29e681aea2f3a8e14cad62b616eb21faee65a9a8ee7a09349e9f
6. 0x58de34e4c78289d5839bcdf67d135f5077923ba13ca242443e5979f4c77cb794
7. 0x4a1744e58c225e260880d1129de3a833621ec20141f7801068f1ce2c84a8247e
8. 0xd34c6a1dd805cc12a9a86678009fb3270653209bc0e1c50d1f9c2d8cfe0e5b32
9. 0xccf80d24ce8becce07ba880ea7ef2d7d86ed50b451dbdb85b9e4066ed4076967
10. 0x374b6600c507c4bab10eebbe2b53722a15d84433df2a3844b2c5dc7b4cc24ffe
11. 0x514499a2e09619b86e7ed1db689750d97d3f8424cdd40c78bcb8597fc36a394c
12. 0x34ebe35e665c8ad4cfee030a83512f81e33c32db411169ebb250ec39780fa4c8
13. 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0