{
  "created_at": "2026-08-18T11:00:33.719804",
  "method": "linear_adapter_delta_interpolation",
  "formula": "champion + alpha * (math_selective_checkpoint4 - champion)",
  "alpha": 0.75,
  "champion_repo": "fc91/CQoT_SFT_mix_teacher_repair_round3_Llama-3.2-3B-HPC",
  "skill_repo": "fc91/CQoT_SFT_teacher3_GPT56MathSelective_AGEM_20260817_Llama-3.2-3B-HPC",
  "skill_checkpoint": "checkpoint-4",
  "champion_weight_sha256": "20a282260a734be0196a99ec6878b6e8b83d2e91b4dbe2645803f4f5841baaa8",
  "skill_weight_sha256": "9309153a1d17b68ccef741a531e2de7058d44f0862e3f012707be45a3eceba91",
  "output_weight_sha256": "6bc096dfda2f987db5952502a17551206488f351be48e3913b6e9c6611ab2826",
  "full_delta_l2": 0.00047472696563184724,
  "evaluation_baseline": "teacher3-contemporary-control",
  "training_performed": false
}