{
  "paper": {
    "arxiv_id": "2607.15591",
    "title": "RecGPT-V3 Technical Report"
  },
  "dataset": {
    "name": "MovieLens 1M",
    "users": 360,
    "items": 520
  },
  "setup": {
    "seed": 42,
    "steps_per_model": 180,
    "history_length": 40,
    "memory_slots": 6,
    "recent_events": 8,
    "latent_tokens": 4,
    "semantic_id_levels": 2
  },
  "baseline": {
    "name": "RecGPT-V2-style stateless full-history hybrid Transformer",
    "hit_at_10": 0.05555555555555555,
    "ndcg_at_10": 0.027900469011014707,
    "head_share_at_10": 0.11083333333333334
  },
  "method": {
    "name": "RecGPT-V3 memory + hybrid SID/text + latent reasoning",
    "hit_at_10": 0.07777777777777778,
    "ndcg_at_10": 0.0382117919168053,
    "head_share_at_10": 0.19
  },
  "relative": {
    "hit_at_10_percent": 40.000000000000014,
    "ndcg_at_10_percent": 36.95752534382068,
    "head_share_at_10_percent": 71.42857142857142
  },
  "rqvae": {
    "initial_loss": 0.0584467988461256,
    "final_loss": 0.047492283023893835,
    "unique_prefixes": 101
  },
  "diagnostics": {
    "latent_reconstruction_cosine": 0.818872332572937,
    "memory_traceable_fraction": 1.0,
    "memory_input_tokens": 14,
    "full_history_tokens": 40,
    "memory_token_reduction_percent": 65.0,
    "explicit_reasoning_slots": 40,
    "latent_reasoning_slots": 4,
    "reasoning_slot_reduction_percent": 90.0
  },
  "paper_results": {
    "item_IPV_percent": 3.08,
    "item_CTR_percent": 0.98,
    "item_GMV_percent": 7.51,
    "feed_IPV_percent": 1.28,
    "feed_CTR_percent": 1.0,
    "feed_GMV_percent": 3.97,
    "memory_compute_reduction_percent": 55.8,
    "serving_resource_reduction_percent": 52.4,
    "reasoning_token_reduction": "200x"
  },
  "schema_version": 2,
  "manifest_ref": "reproduction:recgpt-v3",
  "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/2607.15591-recgpt-v3/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"
  }
}