language:en license:cc0-1.0 size_categories:100K<n<1M format:parquet modality:tabular modality:text library:datasets library:dask library:polars library:mlcroissant arxiv:2509.24952 doi:10.57967/hf/6610 region:us mass-spectrometry proteomics calibration fdr biology de-novo-peptide-sequencing