{ "crosscoder_kind": "multilayer_sparc", "extract_side": "aligned", "base_model": "Qwen/Qwen3-4B-Instruct-2507", "aligned_model": "MInAlA/Qwen3-4B-Instruct-2507-PPO-merged", "aligned_run_id": "qwen3-4b-ppo", "layers": [ 20, 21, 22 ], "center_layer": null, "layer_window": 1, "layer_policy": "matched_aligned_window", "position": "last_prompt", "dataset_name": "argilla/ultrafeedback-binarized-preferences-cleaned", "max_prompt_tokens": 512, "peft": false, "topk_mode": "model_balanced_layer_agg", "activation_artifact": "output/aligned_activations/qwen3-4b-ppo/activations/aligned_activations.pt" }