Evidence row 1034914

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": "2026-10-29T18:05:52.714621Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T18:05:52.714621Z",
        "updatedAt": "2026-10-29T18:05:52.714621Z"
      }
    },
    "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": "1.0.0",
      "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":"b4eff0bc07d9b94185b99895454e944255f577f98806f47fe4572b4e048c5271","id":1034914,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793297614793317,"prev":null,"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 2026-10-29 (242798 rows).

1. 0x233c3b4d2a321172803dcee8d11dc1d023f60f4478f178537c0f42720ef11f6c
2. 0x8ed40f84ac8ef1f7889ca6109f7632ccde49e1c064a2a4aa28c901616997173b
3. 0x2ac3f59b5f8958fdfe635fbf63bdc71fa8d0519751ba5927ed62f7d10665a200
4. 0xcc1f2ead182ff71546f6324361f8fa1101c80cb77844be28ef7d9783449f6012
5. 0xf2d6863a90ed17bb0260d03566495e06c7d13410e8ee53f18231bf005050aed5
6. 0xcbd6fd4d776ba22ae398c9af416d2acf7b131f0b36ee299fb3f1e998167268b2
7. 0x475fa4bed368f785c5af74678b40009644838d4a088455f3e6b01736b43d49d7
8. 0xf5187129639cad5ca0b6f67c7f57e74518b699ad5069235c50a899a7336c5606
9. 0x6cdbbeb7eab4c9378ea99b15e38e2f9321add311ad540a1d3649c57bd5cb7939
10. 0xfa2f5b5c87e05626a6327df5d7ba58038cebb83d59e49e3c9c2024b1c61a916c
11. 0xcd8cc5c6758b52ef236b6b659b9d4c54aeccaa3da3c0707561428b37279b44a7
12. 0x512ddf6afa8b3528fd839f1a986558b0b8a854e36e65bcfe0bbb219e44c66aa5
13. 0xefaae1666e43c849b90a63d326ab50797fd1e7bd24975a20f067c8f8e3e230db
14. 0xe5630d765942d2009587828da7f2d173776eecb52114ac282f05c7b772bfe337
15. 0x00268e62f7d5ca6313e0e60afdc2bd4f52c6dbdb3b4b4d27e01e634b4bcb1d2c
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1