# Text Watermarking in Python: Catch Whoever Copies Your Writing > Source: > Published: 2026-09-06 14:00:01+00:00 # Text Watermarking in Python: Catch Whoever Copies Your Writing AI companies quietly watermark billions of words a day. Here’s how to apply the same three families of techniques to your own writing—and what real experiments reveal about which watermarks survive copy-paste, editing, and paraphrasing. The post Text Watermarking in Python: Catch Whoever Copies Your AI companies quietly watermark billions of words a day. Here’s how to apply the same three families of techniques to your own writing—and what real experiments reveal about which watermarks survive copy-paste, editing, and paraphrasing. The post Text Watermarking in Python: Catch Whoever Copies Your Writing appeared first on Towards Data Science. ## Key Takeaways - •AI companies quietly watermark billions of words a day - •This story was reported by **Towards Data Science** , covering developments in the**newsletter** space. - •AI advancements continue to reshape industries — read the full article on Towards Data Science for complete coverage. 📖 Continue reading the full article: [Read Full Article on Towards Data Science →](https://towardsdatascience.com/text-watermarking-in-python-catch-whoever-copies-your-writing/)