{
  "success": true,
  "errors": [],
  "nail_travel_m": 0.06987940520048141,
  "hammer_nail_peak_n": 6.13200569152832,
  "hand_nail_peak_n": 0.0,
  "final_hammer_lift_m": 0.24546200037002563,
  "final_hammer_clearance_m": 0.12098407534181965,
  "final_thumb_force_n": 52.179508209228516,
  "final_opposing_force_n": 45.32354760169983,
  "contact_samples": 5568,
  "control_steps": 1856,
  "recorded_frames": 1856,
  "record_fps": 60,
  "validation_source": "saved pre-action states, physics-substep contacts and terminal measurements"
}