{
  "verified_at": "2026-10-11T01:12:28.558315+00:00",
  "date_bjt": "2026-10-11",
  "source": "Four actual old production PNG downloads; four updated local actual output data URIs saved and byte-matched. Actual previews loaded; three errors clear download and preview.",
  "browser": "Codex in-app desktop; engine version not recorded",
  "independent_inspector": "Pillow 11.3.0 and PNG IHDR/chunk parsing",
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      "band_centers": [
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        [
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      ],
      "reference_centers": [
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      ],
      "png_chunks": [
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    },
    {
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      "color_type": 6,
      "frames": 1,
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      "exif": {},
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      "corners": [
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      "updated_local_output_sha256": "c45043e588908d17df649abffb89056fdbc18c360eb16fb449c151fd37ac48f7",
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      "name": "invalid-header",
      "success": false,
      "error": [
        "This file is not a valid AVIF file."
      ],
      "at": "2026-10-11T01:10:07.386Z"
    },
    {
      "name": "truncated",
      "success": false,
      "error": [
        "This image could not be opened in this browser."
      ],
      "at": "2026-10-11T01:10:08.022Z"
    },
    {
      "name": "over-width",
      "success": false,
      "error": [
        "Image dimensions must be at most 4096 pixels per side and 16 million pixels total."
      ],
      "at": "2026-10-11T01:10:08.714Z"
    }
  ],
  "scope": "Four 8-bit synthetic fixtures; no HDR/10-bit/wide-gamut testing; no user-facing pixel-validation feature",
  "updated_preview_route_checks": [
    {
      "name": "alpha-bands",
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      "cleared_previous_result": true,
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        "loaded": true,
        "width": 320
      },
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      "remaining_preview": 1,
      "at": "2026-10-11T01:13:19.688Z"
    },
    {
      "name": "three-frames",
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        "loaded": true,
        "width": 241
      },
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      "remaining_preview": 1,
      "at": "2026-10-11T01:13:20.370Z"
    },
    {
      "name": "odd-detail",
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        "loaded": true,
        "width": 513
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      "errors": [],
      "remaining_preview": 1,
      "at": "2026-10-11T01:13:21.082Z"
    },
    {
      "name": "rotated-marker",
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      "preview": {
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        "loaded": true,
        "width": 160
      },
      "errors": [],
      "remaining_preview": 1,
      "at": "2026-10-11T01:13:21.731Z"
    },
    {
      "name": "invalid-header",
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      "cleared_previous_result": true,
      "preview": null,
      "errors": [
        "This file is not a valid AVIF file."
      ],
      "remaining_preview": 0,
      "at": "2026-10-11T01:13:22.342Z"
    },
    {
      "name": "truncated",
      "success": false,
      "cleared_previous_result": true,
      "preview": null,
      "errors": [
        "This image could not be opened in this browser."
      ],
      "remaining_preview": 0,
      "at": "2026-10-11T01:13:22.976Z"
    },
    {
      "name": "over-width",
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      "preview": null,
      "errors": [
        "Image dimensions must be at most 4096 pixels per side and 16 million pixels total."
      ],
      "remaining_preview": 0,
      "at": "2026-10-11T01:13:23.597Z"
    }
  ]
}