Evidence row 2130663

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": "2026-11-02T11:23:18.398553Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:18.398553Z",
        "updatedAt": "2026-11-02T11:23:18.398553Z"
      }
    },
    "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": "1.5.0",
      "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":"83be7e2ea2363b2caa03b840f3df9399c9cf6bb817aed36ffcb99b075f11c762","id":2130663,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621912791202,"prev":1541630,"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 2026-11-02 (444186 rows).

1. 0x5b06bf4e72b59a96edb0a7720e33afb61034fe3d10fdfacffd41190eea954ebc
2. 0x18432c6d968cd2c71d6e54edf1203976665b32bbaa086fbe01d6a14f67197212
3. 0xc760717aa1e4f3b299b8ec60336b961a18fefbcae17fae0e16544e8bd16831c3
4. 0xf71d003b49c5e613de31de51bfcf100a5f2f60ba87859c36530e2c21e62f881e
5. 0x55381ad562fcbcdc5172d30ffdc576a15f2fee9969a5d3814dd5ae9f5973f20e
6. 0x24976be8343a17d3b711a78dbb403f8e230ef5b575652fbdcb8343f3122040d1
7. 0x7fd248a911d7242f1d43d602a226b63d5abaa4c64d6d0c2cd2a2b932661f7510
8. 0x4aa83caac5f80fe6ed53b209af172a572d18f5ddeab8243e899943c480da9a79
9. 0x2d7d4deefc6512c17be61e948ca1c273999dab0e5648e7251f11484001730618
10. 0x4d1009690e5a00e41999066377a4fdde2f8d3fd5d58087e85d9eaba4760c8a93
11. 0x5dfd6b8238c9c9463d945b92375f14134251982a576313a89488b7314aa48958
12. 0xc50f51339262e39d55afbcdc6f7bed39e2183da928578f2ec140055f38e1a1bf
13. 0x04a2764875935b38489e204384b26fce2bde25d67ea9c3bfa8dfb815f7d3928e
14. 0x463370b8390b2f93f44023fe6ce3fd4ebff0a7fecb7894dd4f82f8253ec8661f
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af