{
  "status": "PASS",
  "optimizer_used": false,
  "arithmetic": "standard-library integer/Fraction certification",
  "fair": {
    "status": "PASS",
    "models": 9,
    "certificates": 27,
    "all_non_timing_fields_match": true,
    "all_kl_and_head_constraints_certified": true,
    "all_three_to_four_round_separations_certified": true,
    "max_optimality_gap_rational": "727795397216073/1208925819614629174706176"
  },
  "biased": {
    "status": "PASS",
    "models": 6,
    "certificates": 15,
    "all_non_timing_fields_match": true,
    "scope": "Fixed-mixture bias study; the recorded head-bound exception is retained."
  }
}