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{
  "component": "nexa_mat_diffusion_v1",
  "role": "constrained best-of-N diffusion proposal decoder",
  "repo_id": "AethronPhantom/Nexa_Mat2",
  "path": "decoder/diffusion_v1/final_checkpoint.safetensors",
  "artifact_uri": "hf://AethronPhantom/Nexa_Mat2/decoder/diffusion_v1/final_checkpoint.safetensors",
  "source_checkpoint_uri": "wasabi:nexa-mat/models/nexa_mat/diffusion-generation-v1/prod/nexa_mat_diffusion_prod_fp32_b512_phase_sampler_20260512T162654Z/final_checkpoint.pt",
  "published_at": "2026-05-20T01:11:29Z",
  "format": "safetensors_model_state_only",
  "stats": {
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    "sha256": "d55b837f9600e82846e396f1a9384d52e99a17c43ac5a7d53bd14bb24d3e7395"
  },
  "architecture": {
    "training_mode": "template-conditioned diffusion repair",
    "precision": "fp32",
    "frozen_encoder_parameters": 2813714,
    "trainable_diffusion_parameters": 1248145,
    "full_parameters": 4061859,
    "uses_encoder_features": true,
    "branches": [
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      "fractional_coordinate_repair",
      "pair_distance_repair",
      "lattice_residual_repair",
      "conservative_update_gates"
    ]
  },
  "training": {
    "phase": "diffusion_generation_v1_prod",
    "steps": 225000,
    "operating_mode": "sampler_aware_best_of_n_with_filtering",
    "science_status": "usable_as_constrained_generator_not_one_shot_oracle"
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  "final_eval": {
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    "coord_improvement_fraction": 0.70544,
    "pair_distance_improvement_fraction": 0.7122,
    "lattice_improvement_fraction": 0.55273,
    "sampler_valid_geometry_rate": 0.66406,
    "valid_geometry_rate": 0.75
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}