{
  "paper": "MixFormer",
  "arxiv_id": "2602.14110",
  "dataset": "MovieLens 100K",
  "seeds": [
    42,
    43,
    44
  ],
  "configuration": {
    "dimensions": 64,
    "layers": 2,
    "sequence_length": 32,
    "steps": 240,
    "stacked_parameters": 223424,
    "unified_parameters": 216576
  },
  "results": {
    "stacked_dense_plus_sequence": {
      "hit_at_10": 0.011444921316165951,
      "hit_at_10_std": 0.0010115976841009264,
      "ndcg_at_10": 0.005395048298265208,
      "ndcg_at_10_std": 0.0008890096591646018
    },
    "unified_mixformer": {
      "hit_at_10": 0.011802575107296138,
      "hit_at_10_std": 0.0030347930523027785,
      "ndcg_at_10": 0.006334514266324136,
      "ndcg_at_10_std": 0.0016564357351760816
    }
  },
  "ndcg_gain_percent": 17.413485776596577,
  "conclusion": "Unified dense-sequence interaction was directionally positive, but absolute accuracy was low and variance was material.",
  "schema_version": 2,
  "manifest_ref": "reproduction:mixformer",
  "evaluation_protocol": {
    "tier": "l3_paper_pipeline",
    "seeds": [
      42,
      43,
      44
    ],
    "formal_comparison": true,
    "claim_policy": "formal multi-seed comparison"
  },
  "provenance": {
    "artifact_path": "docs/reproductions/2602.14110-mixformer/metrics/movielens-100k-seed42.json",
    "historical_migration": "historical-metrics-v2-2026-08-09",
    "original_code_commit": "not recorded",
    "dataset_fingerprint": "not recorded in historical artifact"
  }
}