The change comes as arXiv and others struggle to manage an influx of AI-generated materials masquerading as rigorous science.

Arxiv, the influential preprint server where researchers worldwide publish their work before formal peer review, is tightening its rules on AI-generated content.

The change comes as arXiv and others struggle to manage an influx of AI-generated materials masquerading as rigorous science.

One of the site's moderators described the new policy on social media.

Banned authors won’t be able to submit papers for one year.