For the 1996 series a watermark was added to the paper. This is also not a new invention. Watermarks were first used in the late thirteenth century in the handmade papers of Italy. They have long ...

The easiest way to see these watermarks is with blue light, which is reflected by the white paper, but causes yellow dots to show up as dark spots. To make scanning affected documents quick and ...

OpenAI has a method to reliably detect when someone uses ChatGPT to write an essay or research paper. The company hasn ... baked-in evidence of AI text or watermarks threaded into it.