{
  "dataset": "WikiText-2",
  "seed": 42,
  "steps": 60,
  "baseline": {
    "name": "Transformer",
    "parameters": 458400,
    "test_loss": 5.722486719489098,
    "perplexity": 305.6640794846094
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  "method": {
    "name": "QKV-Conv",
    "parameters": 461856,
    "test_loss": 5.7196134477853775,
    "perplexity": 304.78708406060076
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  "perplexity_reduction_percent": 0.2869147809213775,
  "schema_version": 2,
  "manifest_ref": "reproduction:conv-llm",
  "evaluation_protocol": {
    "tier": "l2_public_dataset",
    "seeds": [
      42
    ],
    "formal_comparison": false,
    "claim_policy": "single/few-seed smoke result; do not claim a stable improvement"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2607.18413-conv-llm/metrics/wikitext-2-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}