this post was submitted on 18 Feb 2022
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Privacy

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Combined with access timestamps, they can uniquely identify the source of any shared PDFs.

Source: https://social.coop/@jonny/107685726645817029 -- Also includes tips for removing this data.

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[–] beta_tester@lemmy.ml 5 points 2 years ago (1 children)

If you download a paper you should know that it has a unique fingerprint. If your cloud gets hacked, and the paper released with your "signature", it affects you.

[–] Tiuku@sopuli.xyz 0 points 2 years ago (1 children)

Yeah, it should be clearly visible. E-books bought from certain shops come with a notice like "This copy was bought by Tiuku" on the first page (and probably they have something like this embedded as well). When it's done in the open like this, I think it's a pretty fair way of doing DRM.

[–] YouWillNeverBeAWoman@lemmy.ml 1 points 2 years ago

Is it ‚really‘ fair, though?

When I buy a physical book, I can borrow it to others or resell it as I please without ever really having to reveal Information about myself. Why must a digital copy of the same book be forever branded with my name/account info?