Evidence row 3958472

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": "2026-11-07T18:04:31.48905Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:31.48905Z",
        "updatedAt": "2026-11-07T18:04:31.48905Z"
      }
    },
    "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": "1.7.4",
      "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":"d166223e3cc9b024b255d098d9b6c4ef35e356e339639adb5820f23c65c362c3","id":3958472,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075912393640,"prev":3945632,"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 2026-11-07 (195826 rows).

1. 0x378bbf0239ffa9b776f857d1c1c7932949198aad7d05c53b12d7f2538bc6b61a
2. 0x3d93e706e833227a22cdc1abddbe828363420bd81ee22f42302bf695410225a2
3. 0x398a5570f871d0a0331271dd96629e77c0dc309da5e8ac2f15190250d14839ea
4. 0x460fd33250af9f3705a412914378c6a9829c894b820e976524f7dfe8bf98853f
5. 0x863d708687c36af36d0164298ae1b8d3b0d19d3e02bb802d6879f5f8aceadca0
6. 0x35110ce54dfa7c49e11811ae992a45b1b1d5f1ab5b258009bae82b8d0c419409
7. 0x903e342d9ec130f2f98a8e6e85b396a4adfe5c59a777038e1bddd177fcfbc5ff
8. 0x84cd73d7563f2775508b5cdf522d977adea4bfc6a4eafafe41789d6487c10161
9. 0x957407ec195a155bbdc59520d59c44395767fce9f0940265dce73ea4d32ef7b4
10. 0x56afdb39ae287f65e740156b4e1443cae201b65ce595ee509dcb5faa829ee3e7
11. 0xca55e8b65e2e592d2528f1a8e02ade732b8840552afc6c71a1969937da8a3bf9
12. 0x04fe8175d17a018cb32c9723b9bd0551a827d14d0150ebabc6665b978fb05661
13. 0xc6da265da8cd33013b85c9c3406fb7cb01a279b8af0bdd0dc0fbf3e7907dc964
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa