{
  "paper": "2502.13539",
  "adapter": "seral",
  "dataset": "MovieLens-100K",
  "fair_protocol": {
    "users": 180,
    "items": 280,
    "din_steps": 100,
    "seeds": [
      42,
      43,
      44
    ]
  },
  "setup": {
    "sft_steps": 60,
    "ipo_steps": 30
  },
  "results": {
    "din": {
      "hit_at_10": 0.0481481481,
      "ndcg_at_10": 0.0216651657
    },
    "sft": {
      "hit_at_10": 0.0666666667,
      "ndcg_at_10": 0.0300452386
    },
    "seral_ipo": {
      "hit_at_10": 0.0740740741,
      "ndcg_at_10": 0.032626665
    },
    "ndcg_vs_din_percent": 50.5950406,
    "ndcg_ablation_percent": 8.5917986,
    "serendipity_at_10": {
      "sft": 0.0554220842,
      "ipo": 0.0544446468
    }
  },
  "paper_online_ab": {
    "pvr_percent": 5.7,
    "clicks_percent": 29.56,
    "transactions_percent": 27.6
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:seral",
  "evaluation_protocol": {
    "tier": "l3_paper_pipeline",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": true,
    "claim_policy": "formal multi-seed comparison"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2502.13539-seral/metrics/movielens-100k-seeds42-44.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}