Evidence row 2726867

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": "2026-11-03T22:30:08.711422Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:08.711422Z",
        "updatedAt": "2026-11-03T22:30:08.711422Z"
      }
    },
    "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": "1.6.1",
      "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":"cc1ec2534b36227598e5e20ae602b0328ec6c75a695fe309d2c0b054fde0a642","id":2726867,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747995491212,"prev":2565013,"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 2026-11-03 (425475 rows).

1. 0xae44ebb66e2f8547505ede3d4b0a7ff8a6e8544aea5bcd0b959e12a1feae2575
2. 0xca4386b6d383dd6c3abb8d8441f22b2e7c0fa006e387cb98ea6489591e0cc644
3. 0x4a0b99f090ea8c95b66a127efcfdd4014b9d5c625bf9047c66f26d49a7c72673
4. 0xa0f54fba3040a7342e9b41778e41e9bb1d9d42ef67229f1c00da49a997372ce2
5. 0xdaa9500be60732cd9bb38342f0b644195e42fa852951eccdd03d6e312af55cf0
6. 0x80937b17585fa4ca65d910c0be811b6feef661f50f871e0b8172ff6918d63a07
7. 0xcc817c54cd2a8edc949a988365964edf02b400f48e3725aa193d55deb48d4c9d
8. 0x1a273c82a6462e5b8f0ec6042197e90f7413a884bb5fdb18ebcaac68d99bcb6c
9. 0x5457d0bd360e25156fe110530494e4252f6e73f55671d56eebe20dc5b47c830f
10. 0x6933f87db94e0a154992827742a5b5ea112667cf61d8b20b8bb2c6a9d88aac4d
11. 0x9bf6108c42495c75c34d9fe1bf0e540070028081ff9f173e95ac89d330fd6054
12. 0x46c93221d5249ee065fb448de34ffe32ee00ddb690a58acdcebdc8e1035cd7ef
13. 0x2fa7ae547fe2821a8a9486286acf00c71cf2a484341c8e82886e07422fc0861e
14. 0x11934b37b54663f98169a4c48cc2b0a60fa4a3c4018d1ce3e508ac01ae614249
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7