| { |
| "name": "Nexa_Mat Gen Stack", |
| "model_id": "AethronPhantom/Nexa_Mat2", |
| "published_at": "2026-05-20T01:11:29Z", |
| "components": { |
| "encoder": { |
| "component": "nexa_mat_encoder_v1", |
| "role": "frozen physics-grounding encoder", |
| "repo_id": "AethronPhantom/Nexa_Mat2", |
| "path": "encoder/v1/nexa_mat_V1_final.safetensors", |
| "artifact_uri": "hf://AethronPhantom/Nexa_Mat2/encoder/v1/nexa_mat_V1_final.safetensors", |
| "source_checkpoint_uri": "wasabi:nexa-mat/models/nexa_mat/encoder-pretrain/full_v1/2026-05-06/nexa_mat_encoder_blackwell_full_v1_continue_to_200k_20260506T075034Z/nexa_mat_V1_final.pt", |
| "published_at": "2026-05-20T01:11:29Z", |
| "format": "safetensors_model_state_only", |
| "stats": { |
| "bytes": 11264456, |
| "sha256": "a39e1db3c86622cc36bc2610a47af0f6336578fc3b644a7068ed62190853e9a0" |
| }, |
| "architecture": { |
| "family": "directional_potential", |
| "hidden_dim": 192, |
| "egnn_layers": 4, |
| "max_neighbors": 8, |
| "radial_basis": 64, |
| "cutoff_angstrom": 6.0, |
| "message_aggregation": "learned", |
| "energy_mode": "atomwise_sum", |
| "absolute_coords": false, |
| "parameters": 2813714 |
| }, |
| "training": { |
| "phase": "encoder_full_pretrain_v1", |
| "steps": 200000, |
| "dataset": "nexa_mat_v1 force-compatible OMat24 surface", |
| "science_status": "frozen_for_downstream_generative_experiments" |
| } |
| }, |
| "diffusion_decoder": { |
| "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": { |
| "bytes": 16263948, |
| "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": [ |
| "atom_reconstruction", |
| "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" |
| }, |
| "final_eval": { |
| "atom_accuracy": 0.99988, |
| "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 |
| } |
| }, |
| "multimodal_controller": { |
| "component": "qwen3_14b_controller_partial_fft", |
| "repo_id": "AethronPhantom/Nexa_Mat2", |
| "path": "multimodal/controller/nexa_mat_controller_fft_pilot_20260518T234148Z/final_model_merged/model.safetensors", |
| "artifact_uri": "hf://AethronPhantom/Nexa_Mat2/multimodal/controller/nexa_mat_controller_fft_pilot_20260518T234148Z/final_model_merged/model.safetensors", |
| "base_model": "Qwen/Qwen3-14B", |
| "status": "experimental_controller_partial_fft" |
| }, |
| "cross_attention": { |
| "component": "nexa_mat_cross_attention_contract_v1", |
| "status": "interface_contract", |
| "purpose": "condition diffusion proposals and multimodal controller evidence on shared structure, text, task, and model-state lanes", |
| "lanes": [ |
| { |
| "name": "structure_latent", |
| "producer": "encoder/v1/nexa_mat_V1_final.safetensors", |
| "consumer": "diffusion decoder and controller" |
| }, |
| { |
| "name": "diffusion_state", |
| "producer": "decoder/diffusion_v1/final_checkpoint.safetensors", |
| "consumer": "controller ranking and evidence packet" |
| }, |
| { |
| "name": "text_intent", |
| "producer": "Qwen controller tokens", |
| "consumer": "diffusion conditioning and reverse ranking" |
| }, |
| { |
| "name": "evidence_context", |
| "producer": "retrieval/controller", |
| "consumer": "decision layer" |
| }, |
| { |
| "name": "task_heads", |
| "producer": "SSB/battery-ion adapters", |
| "consumer": "reverse pool scoring and use-case constraints" |
| } |
| ], |
| "forward_flow": "constraints -> controller intent tokens -> diffusion proposals -> encoder plausibility scoring -> controller evidence and ranking", |
| "reverse_flow": "candidate pool -> encoder/task/evidence scoring -> optional decoder expansion -> controller rank/filter/explain" |
| } |
| }, |
| "space": { |
| "repo_id": "AethronPhantom/nexamat-crystal-viewer", |
| "url": "https://huggingface.co/spaces/AethronPhantom/nexamat-crystal-viewer", |
| "runtime": "gradio.Server custom frontend with ZeroGPU model_stack hook" |
| }, |
| "safety_and_limits": [ |
| "Generated structures are candidates for triage, not DFT-confirmed stable materials.", |
| "Decoder is best used as constrained best-of-N generation with encoder filtering.", |
| "Controller is experimental and should ground claims in evidence/context rather than inventing support." |
| ] |
| } |
|
|
