Investigation: preprint research papers on arXiv from 14 academic institutions in eight countries had hidden prompts telling AI tools to give positive reviews (Nikkei Asia)
https://asia.nikkei.com/Business/Technology/Artificial-intelligence/Positive-review-only-Researchers-hide-AI-prompts-in-papers
http://www.techmeme.com/250705/p15#a250705p15