> 1. Download the PDF from Elsevier. 2. Convert pages to PNG images 3. Merge the... | Hacker News

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		antegamisou on June 10, 2024 \| parent \| context \| favorite \| on: Elsevier embeds a hash in the PDF metadata that is... > 1. Download the PDF from Elsevier. 2. Convert pages to PNG images 3. Merge them into a new PDF 4. Run them through OCR

out_of_protocol on June 10, 2024 [–]

Wouldn't help if marks are visible, e.g. some regular string "copy №1234" somewhere or something more complicated like uneven spacing between lines or words

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