Evidence row 1249898

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": "2026-10-30T12:21:00.633157Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:21:00.633157Z",
        "updatedAt": "2026-10-30T12:21:00.633157Z"
      }
    },
    "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": "1.0.1",
      "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":"fbac41e8c26a8765b9b09b0bdcf9d815cfe3ce4fbbdb630bc370848dd66d18c4","id":1249898,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123775500,"prev":1034914,"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 2026-10-30 (243099 rows).

1. 0x1123fc6bda1ed97520729f8d1bf34cea54d4d5c1f683a0f0d7700c2f9eb349ad
2. 0xd4b90421c17683b68d5569b3821d697408c6db8a21d98e760ef2f6ca8213b4b0
3. 0xb0df524ebdda876910d4a31e96b0d8f66d965a282c7187779eb57a4fc00c10b6
4. 0xb42b5ec41dcbd3feef08a0d1466ec0fd3dfb99254a19fabf0abf044ded2a9fae
5. 0x4d83f9138cd487f624d259d8ca32ec774a2bc2d12f30a349e569ef0a944195f9
6. 0x9d61ffa365dfc6a4b8e2fe1cea2e4b4811a36d05adc5fe9456fc286f82f5ff81
7. 0xb70540a30c129c27673c1352d8cf0d8f722afbd58c34eabf0a265ed6a5510f21
8. 0xb04fa87d4c897a437f514209f4e67cd3d4b251392830c7eba855b2edd95883ae
9. 0x9d3e846dc7a15c91501a743289b6ad9d0e65573cf784a9a22f03ce001537b7dc
10. 0xbf5f0ba4c7a1e2568cf5675371193c391a1fbd1d57eef1a6f4863edf94e555bb
11. 0x43f7aed94f00b336389ffdf1bd899be0f6a39979660cf2c8f87f139c1805e69c
12. 0x11f3d7c3b1e2605a08b4a2e2f9389a412e2bed81fbb921eca9e2584c7fa8176b
13. 0xff3316df20da7d10eeb009ce403c3a10945e4f04644a76b6fa35f66715c99468
14. 0xe18460a4fef6812b03798b9b10352dd88bf2495282cb7665eff1cdfac9ef6888
15. 0x0313631fba69cc31784d20beec069335df13219f8a8a8a8831740bca4d4aa0a0
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861