Evidence row 3945632

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": "2026-11-07T09:17:46.900841Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:46.900841Z",
        "updatedAt": "2026-11-07T09:17:46.900841Z"
      }
    },
    "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": "1.7.3",
      "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":"03b2442c27809ffea236292d73ce028c2ded5d58737113787ff251ea08d5b9e3","id":3945632,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043459317214,"prev":3775650,"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. 0x0c4348cc6fb445665d2085bf872a11a0b9bd96fe5525bc0838d7f99618e1aeec
2. 0x34c2b42389d4fe3f3702902815b2903f1b604fb7040d9d69f16fc57f631781f6
3. 0x14eb7b0a6ee37e32e3ab249da1b59973e43524b39fc96a795bf682fc36b39813
4. 0x634c0cf012e0afebd6bae15de02e6c683862141b36973e7040d5b65570eb906a
5. 0xc4d317bdabb925f2602e06825c41a0aa13f4717af83fc35a7f6132dbbb9dfc47
6. 0x142c29f66a7aa782735d68953be728bc67da3a2fec6a272e9f6c7cc508c83f5a
7. 0x8cd9a4fcbe217ff2c862e9f11acc51f663f66051f0bfcd4ca45c1b5f4384cc48
8. 0x7002be2063071162c42a8af21eb0cf5c7e86e8c53c9f53cb0ba3cb45c7e09f10
9. 0x103404f574f542be46442a9f60418b186717784d0635cf187a028733af2e5f22
10. 0x3bba3c93294bd733dbdaf2626b8f65c880c969d5323a205ade162aa9fe9a8221
11. 0xb20672d06d8bcb34b0e544dabef7ea04bcc1bd847f8b38bb13c6bbf9a609db6f
12. 0xddd95dcdd546f67880af162aa3f0a4ce440b454faa624b535f2f4205aff6835e
13. 0x837e561292e656fc83a7677ed6030f433727eb9ac2b26f99fcc9243d0adee4c5
14. 0xfdd7b2b79797e6e952d4f424ae23c7bdff01d5d174b3c27e3aa0f615e279d235
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa