{
  "chapter_id": "C08",
  "title": "Signal",
  "method": "Built-in image_gen",
  "started_at_utc": "2026-10-27T22:28:57.668Z",
  "finished_at_utc": "2026-10-27T22:29:30.937Z",
  "dispatch_to_result_seconds": 33.269,
  "elapsed_definition": "Per-call wall time including any service queue; not GPU compute time.",
  "processing_seconds": null,
  "model": "Not exposed",
  "version": "Not exposed",
  "quantization": "Not exposed",
  "adapters_and_strengths": "Not exposed",
  "steps": "Not exposed",
  "sampler": "Not exposed",
  "scheduler": "Not exposed",
  "guidance": "Not exposed",
  "denoise": "Not exposed",
  "seed": "Not exposed",
  "worker_gpu": "Not exposed",
  "peak_vram": "Not recorded",
  "energy": "Not recorded",
  "width": 1086,
  "height": 1448,
  "native_resolution": "Internal generation resolution not exposed",
  "upscaling": "No local resize/upscale; internal pipeline not exposed",
  "frame_count": 1,
  "fps": null,
  "duration": null,
  "audio": null,
  "format": "PNG",
  "bytes": 2863583,
  "sha256": "a4c9fc443b41f5b7fd064e1719c96b8b7c1404f9a228be0b16339c0b25fa28d9",
  "prompt": "source/chapter-infographics/C08-prompt.txt",
  "png_decode": "pass",
  "visual_review": "Pass \u2014 Text accurate; actual work, review and revision form an iterative sequence.",
  "completed_jobs": 1,
  "failed_jobs": 0,
  "retried_jobs": 0
}