Evidence row 3723968

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": "2026-11-06T12:09:19.477412Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:19.477412Z",
        "updatedAt": "2026-11-06T12:09:19.477412Z"
      }
    },
    "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": "1.6.4",
      "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":"904fda12f08bc4bb41ed2a60f08ee8e16612363eb21597878cb4ea763db3ecef","id":3723968,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967742612997,"prev":3414685,"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 2026-11-06 (303443 rows).

1. 0x723ed4c4d4914595f83934bca2d3f87cff42fbd11c6c04fbd3544b8b49a7ffdc
2. 0x12ab17965e441734e8985472ec5e0c4161af81803316e0bab0616691ee90a66c
3. 0xd3d815d33de28013c37d8e6ae8c79d044f14596885e1ec280f70e5a7b8ec9e47
4. 0x3b84d4bb6590d1ea98eb2a74d39af5017edbee07bdabf41afe12e449404bcac7
5. 0xd5d9c4330a2584787ac6a125c29872268f75489fc0944990421724cdc3f2196d
6. 0x875ddffaef78e5d9e1232c47a2f69862acc5781e80bfd6719715f2c3fda04f4b
7. 0xa16e66aca3f90e3da6bbde4e9cded490b2636dbb0f6ba65f8ad72eec992aaf50
8. 0xe5199611e8f407573810961ecbd292ba7484a6535218b2ed0051a548e703eb47
9. 0x88e30b1272b8049c00a69af470064c1b734db48913f99237a954c061c59d2fd5
10. 0x763e6bab79fad435cc79b8cfae5678dd4552d7d25b928ac106a8e78e6c270e6f
11. 0xb67dffcabc1eda56748dbe96c8bb6f3a4d62a41cd8606ae2a38bc0461f8a395e
12. 0xebbcac8285717c40d9212705738c99f814d6d8a6a91785a21490aa6b8f56f609
13. 0xf778b529bd447af43bf57dd217937219b94a9bbdd0f8f8c38639a3b3e31164bb
14. 0x9d64f8255961253ea4f756bf8c6a5a4a57b070af0bf9a71a9871268a306d0024
15. 0x76ebf1850cd69318e55f7c76c298e951486d7eb89da9726d99a973873bd3e0a8
16. 0xa020619e8f130eeb03f3c2beaba0422017bd8b95688ddf44db1c31cf0fd40a6a
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1