Can you still tell who wrote the code?

One diff. No commit message, no PR title, no author. That is where the provenance hides, so none of it reaches you. Just the patch, and a call to make.

Half of visitors get this page's copy written by a machine. Which did you get?

• Clanker diffs carry a confirmed AI agent trailer.
• Human diffs merged before ChatGPT existed.
• Every ten rounds is exactly five of each, so picking one side gets you 50%.