VerifyMe: A new approach to authorship attribution in the post-ChatGPT era

Since OpenAI released ChatGPT in November of 2022, distinguishing human-written text from AI-generated content has become increasingly challenging. VerifyMe addresses this problem with a novel, stylometry-based system for authorship verification. This system creates a 58-dimensional stylometric embedding representation of the author’s writing and uses a Siamese Neural Network to compare new texts with the author’s previous works. VerifyMe has been rigorously tested against datasets including the Reuters 50-50 corpus and the PAN-14 authorship verification challenge. It consistently outperforms existing AI content detection systems, effectively verifying human authorship and detecting stylistic differences, even in adversarial conditions when the model tries to mimic a given author’s writing style.