{
  "schema_version": "nexamat.final_publication/v2",
  "project": "NexaMat",
  "archive_status": "archived_on_ice_indefinitely",
  "publication_date": "2026-07-25",
  "model_hub": "AethronPhantom/Nexa_Mat2",
  "compact_stack_parameters": 4061859,
  "encoder_parameters": 2813714,
  "decoder_parameters": 1248145,
  "published_v78_state_parameter_elements": 594340,
  "shipped_decoder_lineage": "v78_recovered_native_decoder",
  "technical_paper": {
    "path": "Nexa_Mat_Paper.pdf",
    "sha256": "14d030e6acb4db728419fefcb4750c5a5a96399423d8a82e094fd7f9d353a924",
    "pages": 16,
    "embedded_figures": 11
  },
  "public_figure_policy": {
    "included": "direct experiment metrics and representation-manifold diagnostics",
    "excluded": "composite readiness scores and cross-model charts without a shared evaluation protocol"
  },
  "metastability_evidence": {
    "historical_bounded_msun_count": 2,
    "historical_bounded_pool_size": 64,
    "historical_strict_relaxation_converged": 3,
    "historical_mean_e_above_hull_ev_per_atom": 0.875,
    "historical_best_e_above_hull_ev_per_atom": [
      0.1786,
      0.1837
    ],
    "interpretation": "partial low-hull support with low reliability; below the intended 25-50 percent yield"
  },
  "claim": "compact native inorganic candidate generator with external screening required",
  "excluded_claims": [
    "repeatable high-yield metastable or SUN/MSUN generation",
    "shared-protocol SOTA parity",
    "experimental stability without external relaxation and hull evaluation"
  ],
  "private_lineage": "preserved separately; storage locations and operational identifiers withheld"
}