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DEDA – Tracking Dots Extraction, Decoding and Anonymisation Toolkit

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Hacker News | Oct 4, 2026 | greyface-

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Document Colour Tracking Dots, or yellow dots, are small systematic dots which encode information about the printer and/or the printout itself. Create your own tracking dots document, pass the contents as parameters (see deda_create_dots -h). See chapters "Anonymise a document for printing" and "Create your own tracking dots".

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