{
  "trained_at": "2026-04-27T07:37:26.101815+00:00",
  "data_run_date": "2026-04-25",
  "llm_run_date": "2026-04-26",
  "version": "v0.6-tuning-quantile-stacking",
  "description": "v0.5 features + Optuna-tuned hyperparams + quantile regression at 0.05/0.5/0.95 + tail-correction stacking",
  "parent_version": "v0.5",
  "changes_from_parent": [
    "Optuna search (60 trials)",
    "Quantile regression trio (q=0.05, 0.5, 0.95)",
    "Tail-correction stacking layer on q=0.5 residuals"
  ],
  "embedders": [
    "mpnet-finetuned (from v0.3)",
    "BAAI/bge-base-en-v1.5"
  ],
  "splits": {
    "train": {
      "rows": 265240,
      "start": "2022-01-28",
      "end": "2023-09-30"
    },
    "val": {
      "rows": 3545,
      "start": "2023-10-01",
      "end": "2023-12-31"
    },
    "test": {
      "rows": 2744,
      "start": "2024-01-01",
      "end": "2024-05-04"
    }
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    "pca_057",
    "pca_058",
    "pca_059",
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    "club__social_handles",
    "club__mythical_creatures",
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    "club__top500_cities_usa",
    "club__gamertags_double",
    "club__historic_figures",
    "club__catholicism",
    "club__performing_arts",
    "club__sports",
    "club__crayola_classic",
    "club__personas",
    "club__gen_alpha",
    "club__familynames_usa",
    "club__crypto_terms",
    "club__wikidata_top_fantasy_char",
    "club__country_codes",
    "club__finance_terms",
    "club__fine_art",
    "club__home",
    "club__common_animals",
    "club__conspiracy_theories",
    "club__holidays",
    "club__top_crypto_tickers",
    "club__pokemon_gen1",
    "club__pokemon_gen2",
    "club__top_crypto_names",
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    "club__memes",
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    "nft_total_fee_usd",
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    "crypto_relevance_ord",
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    "kind__brand",
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    "origin__german",
    "origin__french",
    "origin__japanese",
    "origin__chinese",
    "origin__italian",
    "origin__slavic",
    "origin__korean",
    "origin__arabic",
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    "desc_pca_003",
    "desc_pca_004",
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    "desc_pca_006",
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    "desc_pca_011",
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    "desc_pca_013",
    "desc_pca_014",
    "desc_pca_015",
    "desc_pca_016",
    "desc_pca_017",
    "desc_pca_018",
    "desc_pca_019",
    "desc_pca_020",
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    "desc_pca_022",
    "desc_pca_023",
    "desc_pca_024",
    "desc_pca_025",
    "desc_pca_026",
    "desc_pca_027",
    "desc_pca_028",
    "desc_pca_029",
    "desc_pca_030",
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    "knnmp_median_log",
    "knnmp_p90_log",
    "knnmp_max_sim",
    "knnmp_min_sim",
    "knnmp_log_max",
    "knnmp_log_min",
    "knnbg_count",
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  "pca_dim_description": 32,
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      "name": "max_char_run",
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      "name": "n_unique_chars",
      "gain": 11.777941703796387
    },
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      "name": "eth_stable_mcap",
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      "name": "origin__italian",
      "gain": 11.581886291503906
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      "name": "n_special",
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  ],
  "inference_recipe": {
    "description": "Inference combines 4 models",
    "point_estimate": "final_log = q50_model(features) + tail_model(features)",
    "lower_bound_90pct": "low_log  = q05_model(features)",
    "upper_bound_90pct": "high_log = q95_model(features)",
    "output_usd": "np.exp(final_log)"
  },
  "wandb_run": "https://wandb.ai/quantumly-aletheia-research/ens-appraiser/runs/i35wokpu"
}