{
  "paper": "2605.24051",
  "adapter": "memento",
  "fidelity": "core_mechanism",
  "dataset": "MovieLens-100K",
  "setup": {
    "users": 932,
    "items": 1682,
    "retrieved_memories": 8,
    "validation_selected_relevance_weight": 0.3
  },
  "results": {
    "last_n": {
      "hit_at_10": 0.0901287554,
      "ndcg_at_10": 0.0442879817,
      "head_share_at_10": 0.2978540773
    },
    "memento_mmr": {
      "hit_at_10": 0.0965665236,
      "ndcg_at_10": 0.0464066394,
      "head_share_at_10": 0.3093347639
    }
  },
  "relative_ndcg_change_percent": 4.783804,
  "schema_version": 2,
  "manifest_ref": "reproduction:memento",
  "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/2605.24051-memento/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"
  }
}