{
  "schema_version": "navonavo.public-image-execution-evidence.v1",
  "generated_at": "2026-11-04T15:30:49.613847+00:00",
  "resource": {
    "source_url": "https://ffmpeg.org/ffmpeg.html",
    "subject": "FFmpeg",
    "service_id": "cap-c53a75c06263db7a03a34441",
    "provider_claimed": false
  },
  "execution_scope": "NAVONAVO owner-controlled site sharing task on existing local application; not independent adoption or supplier endorsement",
  "application": {
    "version": "8.1.2-full_build-www.gyan.dev",
    "platform": "Windows",
    "binary_sha256": "ad8f211bc894755e0061c55ab280ae00e8d3d4f15a8cc4372b24cfa247b5942e",
    "installation_performed": false
  },
  "input": {
    "media_type": "image/jpeg",
    "bytes": 99659,
    "sha256": "e2923b1662fdf1b3c577d19f4a6b1ee57f6b41a6f4b45c44b2ebc9e3d2e8b97c",
    "width": 1200,
    "height": 800,
    "url": "https://navonavo.com/assets/research-evidence/ffmpeg-image-input-e2923b1662fdf1b3.jpg"
  },
  "input_note": "Original screenshot filename endedpng but signature and full decode areJPEG. Public output name uses actualJPEG suffix. Original image pixels/bytes are unchanged. It depicts Nov2 public site, not current live availability proof.",
  "target": {
    "width": 1200,
    "height": 630,
    "fit": "contain",
    "padding_color": "#FFFFFF",
    "allow_upscale": false,
    "maximum_output_bytes": 307200,
    "maximum_decoded_pixels": 756000,
    "data_policy": "local files only for this execution; no external image API/upload"
  },
  "observations": {
    "png": {
      "media_type": "image/png",
      "bytes": 578285,
      "sha256": "f6d46e106c5e59e4474aa9752cec6df6a12772fbc79b47aa2e02a3a7d6c05cc4",
      "width": 1200,
      "height": 630,
      "url": "https://navonavo.com/assets/research-evidence/ffmpeg-image-png-f6d46e106c5e59e4.png",
      "task_state": "failed_byte_budget",
      "failure": "578285B exceeds307200B; encoded and fully decoded dimensions passed, task byte budget failed"
    },
    "jpeg": {
      "media_type": "image/jpeg",
      "bytes": 122351,
      "sha256": "b84892a516d586a77199bbf7cb04a3f271d7852d26cc5e6e26ea4570f409b2f2",
      "width": 1200,
      "height": 630,
      "url": "https://navonavo.com/assets/research-evidence/ffmpeg-image-jpeg-b84892a516d586a7.jpg",
      "task_state": "passed_for_exact_owned_input",
      "full_pixel_decode": true
    }
  },
  "processing": {
    "application_runs_in_original_task": 1,
    "query_first_retest_runs": 1,
    "query_first_retest_JPEG_bytes": 122351,
    "query_first_retest_JPEG_sha256": "b84892a516d586a77199bbf7cb04a3f271d7852d26cc5e6e26ea4570f409b2f2",
    "PNG_query_first_retest": "size conflict returned; PNG not reexecuted",
    "geometry": "Whole1200x800 source to945x630 content; white padding left127/right128; no crop or enlargement",
    "filter": "scale=945:630:flags=lanczos,format=rgb24,pad=1200:630:127:0:white,setsar=1",
    "JPEG_codec_options": "mjpeg/yuvj444p/q2/threads1; one frame; file input protocol only; no overwrite"
  },
  "validation": {
    "independent_decoder": "Pillow12.2.0 verify/load/all pixel access; original task FFprobe also agrees",
    "source_pixel_comparison": "Full source compared against independent proportional resampling, not only headers",
    "query_first_JPEG_source_resample_MAE": 1.3814876403236191,
    "JPEG_white_padding_nearwhite_fraction": 0.9999828631407579,
    "JPEG_is_lossy": true,
    "no_independent_user_goal_or_general_color_accuracy_claim": true
  },
  "remaining_unknown": [
    "cost_limit",
    "total_cost",
    "region",
    "general_retention",
    "private input handling",
    "other binary versions/environments/inputs",
    "ICC/EXIF/alpha fidelity",
    "independent task benefit or voluntary reuse",
    "GW07 supplier HTTP application"
  ],
  "cost": {
    "new_paid_API_calls": 0,
    "business_model_calls": 0,
    "total_development_machine_storage_cost": "unknown"
  },
  "trusted_scenario": false,
  "interpretation": "This is a site-owned local execution record, not upstream testing, general availability, or proof every image can fit300KiB. JPEG success and PNG budget failure are separate. Public rendering of report does not authorize installation, processing private files, external calls or payments."
}