What happens when artificial intelligence leaves an invisible mark on the things we create?

Anthropic has introduced a new approach to identifying content generated or processed by Claude, using invisible text watermarking and content provenance technologies. At first glance, this sounds like a welcome response to deepfakes, synthetic media, misinformation and the growing difficulty of knowing where digital content actually came from.

But there is a much more complicated question hiding underneath.

If you spend hours researching and writing an article, then ask Claude to correct the grammar, who created it? If a student develops an original argument but uses artificial intelligence to improve the writing, is the assignment artificial intelligence-generated? If a photographer captures an original image but uses artificial intelli ...