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What an AI-generated PNG actually carries — and what a screenshot of it doesn't

This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.

I generated one image with OpenAI's image model and then took it apart. The point wasn't the picture — it was to see what "proof this is AI" looks like inside a real file, and how fast it disappears. The original file The PNG came out at 1536×1024. Besides the usual IHDR / IDAT / IEND chunks it had…

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  1. 2026-10-22 22:31 · DEV Community — AI
    What an AI-generated PNG actually carries — and what a screenshot of it doesn't

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