Mike explains a paper from the University of Maryland, proposing a neat trick to 'watermark' the output of large language models such as ChatGPT. Dr Mike Pound is an image analyst at the University of Nottingham. Since making this video, the authors of the paper have been in touch with Mike about a demo of this tech you can try yourself: https://bit.ly/C_GPT_Watermark_paper The University of Maryland paper: https://bit.ly/C_LanguageModelWatermarkPaper https://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com/