Evidence row 2565013

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": "2026-11-03T09:54:52.576546Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:52.576546Z",
        "updatedAt": "2026-11-03T09:54:52.576546Z"
      }
    },
    "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": "1.6.0",
      "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":"02c8e1fc7fc6157345499907d6bf8b6c5caa2f9eee3b666d5a9695b88143a2c2","id":2565013,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701164429541,"prev":2546909,"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 2026-11-03 (425475 rows).

1. 0x4145aafc9328e5d027800728c3c7b4d0aece14cde1de9d2224a350d165379aa7
2. 0xada0479ebae5f5182aca9f75f0bf19ac973d5d91a6fcaca7e701781602c5577e
3. 0x723b898d5a38707e8cb9557298e9ea0aba2991e74d22f96813849e84b2a2eaaf
4. 0x0a845b2b4341e2420c6b3b4809e9411f89a5edacabc939ad2eca47da91627dd7
5. 0x4c6801b03cdd0991c4e03840b4b26eb934c14caa5a965d2bfa0dad52e1db3829
6. 0xe64ab3e7810e74fba5967e4bb0cae5dea2c9a70f54a115c8286098fd3b460eb2
7. 0x08ad159cc27bb5df0290e98903dced98052f6aa663941aaed47ee11b812a55c4
8. 0x7fcfa869fcb3a4358738494356fc9d14bfe985d0c42519faefe9036343877796
9. 0xe9b42805d1981928012bd68af05a5bf2469058abb8a889508e1fcb389a87b05c
10. 0x5de76ddd9dd6573a89dddb74037aead25d3cf0d1c21a64c87828f4fa66868034
11. 0xc10fdec7d62b66b6b8ed1623f58118af40b8b940accaaf12ffc434a8f79b891f
12. 0x971a09d60f84e9baec85a2492fa03ec3a224cfa3a61ad351c4865dcbfa33b0db
13. 0x6389fe0a64a454c99943bd099b6d3c7b9164c03f7e0cbe464480d5168f9f5740
14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7