arXiv will take only two papers a month from each researcher.
The preprint archive arXiv capped submissions at two per calendar month on 1 October. September brought a record 40,363 papers, double the same month in 2024. arXiv blames AI-written filler and calls the cap a temporary stopgap.
Why it mattersScientists you follow may now sit on finished work until the next month opens. The flood of machine-written papers is already reshaping how research reaches you.
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