Whatever method they choose, you can just diff a couple of PDFs to figure out wh... | Hacker News

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		gpvos on June 10, 2024 \| parent \| context \| favorite \| on: Elsevier embeds a hash in the PDF metadata that is... Whatever method they choose, you can just diff a couple of PDFs to figure out what they did, and then write some code to detect and revert or mask that.

xandrius on June 10, 2024 [–]

Steganography vs adding metadata in the PDF are two absolutely different approaches

gpvos on June 10, 2024 | [–]

Steganography would be trickier, but not impossible.

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