{
  "seed": 42,
  "dataset": "MovieLens-1M (240 users / 400 items)",
  "baseline": {
    "hit_at_10": 0.0208333333,
    "ndcg_at_10": 0.0109175712
  },
  "method": {
    "hit_at_10": 0.0208333333,
    "ndcg_at_10": 0.0109175712,
    "pretraining_updates": 22
  },
  "relative_ndcg_percent": 0.0,
  "fidelity": "core mechanism",
  "schema_version": 2,
  "manifest_ref": "reproduction:open-web-ufm",
  "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/2607.28019-open-web-ufm/metrics/movielens-1m-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}
