{
  "task_id": "ASTRO4",
  "input_type": "self-contained numerical problem",
  "inputs_embedded_in_instruction": true,
  "instruction_file": "instruction.md",
  "submission_filename": "candidate.json",
  "submission_schema": {
    "problem_id": "ASTRO4",
    "numeric_fields": [
      "critical_dimensionless_radius_xi_crit",
      "critical_bonnor_ebert_mass_msun",
      "screen_radio_dispersion_delay_ms",
      "observed_submm_continuum_flux_erg_s_cm2"
    ]
  },
  "field_count": 4
}