Data leakage hit 648 papers across 30 fields; autoarxiv now auto-reproduces arXiv papers

pandeyparul · x · 2026-10-30

A 2023 study by Sayashk and Arvind Narayanan found data leakage across 294 ML papers in 17 fields; the continuously updated list (image) now spans 41 methodology papers across 30 fields, affecting 648 papers — common pitfalls include missing train-test splits, leakage-prone preprocessing, and temporal leakage.

alphaxiv's new autoresearch tackles verification at scale: change "arxiv" to "autoarxiv" in any paper URL and an agent sets up an environment on your compute, runs a minimal reproduction, and tracks logs, visualizations, and artifacts in a fully local closed loop.

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