{
  "endpoint": "https://giaothong.hochiminhcity.gov.vn/render/ImageHandler.ashx",
  "captureVia": "oracle",
  "captureImplementationReference": "/media/150G/rainmap/src/fetch/check.py; scripts/camera_watchdog.py",
  "startedAt": "2026-09-19T09:23:51.340392+00:00",
  "requestedIntervalSeconds": 10.0,
  "cameras": [
    {
      "node_id": "a9b7c4d6-178d-4fa3-b673-11d96ec28145",
      "camera_id": "56de42f611f398ec0c48128a",
      "title": "TTH 8.2",
      "district": "Quận 1",
      "display_name": "Võ Văn Kiệt - Trần Đình Xu 2",
      "cam_status": "UP",
      "lat": 10.7587798913611,
      "lon": 106.692545413971,
      "distanceToModelMetres": 33.8,
      "localXZ": [
        171.19922996522874,
        -109.08150631761423
      ],
      "coverage": "candidate; field of view must be inspected"
    }
  ],
  "frames": [
    {
      "requestedAt": "2026-09-19T09:23:52.255628+00:00",
      "receivedAt": "2026-09-19T09:23:53.593392+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:23:43 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 54833,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "abcf16eaa3f786b001548435e56bc589a567d2454d297fcba4b65456fbe10199",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_000.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:01.975549+00:00",
      "receivedAt": "2026-09-19T09:24:03.245745+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:23:54 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 54663,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "8929c28700629e9c6f6a7038d5660061aee904e257348733b812438e97eb4dd7",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_001.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:11.993832+00:00",
      "receivedAt": "2026-09-19T09:24:13.307306+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:04 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 49985,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "b19ada97eef082da66e9ab6c0df297de0fbe745ed3786128b840b3a4293aecf4",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_002.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:21.975986+00:00",
      "receivedAt": "2026-09-19T09:24:23.235744+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:14 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 49985,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "b19ada97eef082da66e9ab6c0df297de0fbe745ed3786128b840b3a4293aecf4",
      "duplicate": true,
      "file": "56de42f611f398ec0c48128a_003.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:31.987336+00:00",
      "receivedAt": "2026-09-19T09:24:33.278521+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:24 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 52168,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "de19e71515f22a92c9260a30dd6085568d711142e3283b9268845b6899051315",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_004.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:41.975890+00:00",
      "receivedAt": "2026-09-19T09:24:43.285175+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:34 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 50407,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "cb2e7882d2c693d31a079eaabc25196f72fcd2a20043d7396d74dc863fbf69f0",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_005.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:24:51.982277+00:00",
      "receivedAt": "2026-09-19T09:24:53.293584+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:43 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 49796,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "584c2ea443c1c0786a594d373516d6b92d96c6bd9f623c339185e0c120986205",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_006.jpg"
    },
    {
      "requestedAt": "2026-09-19T09:25:02.266373+00:00",
      "receivedAt": "2026-09-19T09:25:03.570651+00:00",
      "httpDate": "Sat, 19 Sep 2026 09:24:54 GMT",
      "lastModified": null,
      "contentType": "image/jpeg",
      "width": 512,
      "height": 288,
      "bytes": 53249,
      "placeholderSuspected": false,
      "cameraId": "56de42f611f398ec0c48128a",
      "sha256": "153b75ce6a72c0f9f477fe40cb2b20d29cd8249a1736b413b10a3c54adc19b61",
      "duplicate": false,
      "file": "56de42f611f398ec0c48128a_007.jpg"
    }
  ],
  "errors": [],
  "limitations": [
    "Capture timestamps are not camera exposure times.",
    "Small images may be offline placeholders.",
    "Byte-identical images are repeats, not independent observations.",
    "Camera clock and view direction require visual inspection."
  ]
}