{
  "n_pages": 100,
  "n_gold": 701,
  "variant": "empty",
  "headline_metric": "field_exact_f1_iou_0.5",
  "diagnostic_iou": 0.2,
  "coordinate_format": "gold boxes are original-page [x,y,w,h]; predictions may use documented 0-1000 grid",
  "source": "CommonForms",
  "license": "CC-BY-4.0",
  "seed": 1234
}