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{
 "release": {
  "name": "UltraMS SpectraVerse dataset",
  "version": "1.0.0",
  "date": "2026-11-04",
  "license": "CC BY 4.0"
 },
 "source": {
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   "smiles",
   "precursor_mz",
   "adduct",
   "collision_energy",
   "fold"
  ],
  "upstream": "SpectraVerse v1.0.1, Zenodo 10.5281/zenodo.17870921 (CC BY 4.0)"
 },
 "split": {
  "unit": "exact SMILES string (molecule-disjoint)",
  "folds": {
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   "val": 47825,
   "test": 46159
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  "unique_smiles": 42308,
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  "smiles_crossing_folds": 0,
  "formula_disjoint": false,
  "note": "molecule/SMILES-disjoint 8:1:1; molecular formulas may recur across folds (isomers)"
 },
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 }
}