Evidence row 2546909

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": "2026-11-03T07:15:46.976861Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:46.976861Z",
        "updatedAt": "2026-11-03T07:15:46.976861Z"
      }
    },
    "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": "1.5.1",
      "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":"b78199e7bdc6ac4b90f39f1dc6c14c22ebd7b0cd64d842df1a9af7d273817ac9","id":2546909,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690351639315,"prev":2130663,"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. 0xd85ce99b8fe8ec3305ee301ce7776aeec84a995b9310dc29c2be600d77db9dc1
2. 0x20b3249111fabd970180bc339790a25eb5a69ac5ec8cf800e913ddb374b754e8
3. 0x2ea7aed23af9676c3fc2e1f8af1a97fe2e40175adee876b4e6b1f4c2baeaccb4
4. 0x8d8c0086b030281037cc1639d71dfb78849b5057dde799519eee61713ef027a6
5. 0x057572cfa08b1b08a4d3db5e0055725bdd5c92cba6efc5b0a54d27460df12ee9
6. 0x8d5b6730895b3dae814463757155e0182d524a492c85ecb72bd9273f21e19fc8
7. 0xa54b5e16570f7111d2f0732cae3e874253c5c30a47e8ce4ec430b4076be700b7
8. 0x20cef33c510e7a964c51c2ce316645c4daeea2be0898e44914895d2de37210e3
9. 0xec8aab792bc5778e89f2fca05fba1f58e7926b04d94f5b825cbd7982b75b7500
10. 0xf65fd6bef6519a0d942536f95c69d2573ec831a611c7915b7d7eed4809426cb9
11. 0x9b246e72e982f2e23933e23514907f569ae339b98af572076ff60750ad06b6b6
12. 0xa7eb0bff020ad74e9145b5d5d80ca59656ab40a69379836f0d4101995ce41386
13. 0xa8db70345e2bde6cfa8286548a731de586d8c60112c85b9b953c4639273fb111
14. 0x18c35417f7b285121a68d43297e370931a92ea9fb5a8410afcf7e021d5ec8b7e
15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7