{
  "model": "OpenSML-Base-175M",
  "pretraining_step": 132005,
  "processed_token_positions": 17300111360,
  "weight_sha256": "5151567e266244c9e32fd6e01775192633abe227320269ecdefe28ce43e9ccc3",
  "validation": {
    "val_loss": 2.5563359551876785,
    "val_ppl": 12.888506628383553,
    "source_losses": {
      "web": 2.941684268414974,
      "dclm": 2.9943208396434784,
      "wiki": 1.987750370055437,
      "cosmopedia": 1.7873524278402328,
      "python": 1.2724680323153734
    },
    "validation_fingerprint": "4ddd461c131d4d27d07bb07f5aab3fcb5a00d4b1202066e3d9b6ee6b3129087b",
    "batches_per_source": 32,
    "batch_size": 2,
    "sequence_length": 2048,
    "sources": 5,
    "nominal_token_positions": 655360,
    "scope": "Historical fixed document validation, mixture-weighted loss. Not a downstream benchmark or a fresh test."
  },
  "downstream_benchmarks": {},
  "scope": "No JSONLite post-training or extraction metrics are attributed to these base weights."
}