{
  "task_id": "EARTH4",
  "input_type": "self-contained advanced Earth science numerical problem",
  "inputs_embedded_in_instruction": true,
  "instruction_file": "instruction.md",
  "submission_filename": "candidate.json",
  "submission_schema": {
    "problem_id": "EARTH4",
    "numeric_fields": [
      "J_Fe_benth",
      "J_FeL_abyss",
      "I_sid",
      "lambda_0_fe",
      "u_node_1"
    ]
  },
  "field_count": 5
}