When you download a paper from JSTOR or ScienceDirect, it is quite easy for them to add various watermarks to the PDF, and they already do (mildly). It might make it harder to scale this concept if the provider can track down who initially downloaded the paper (and presumably shared it).
> When you download a paper from JSTOR or ScienceDirect, it
> is quite easy for them to add various watermarks to the
> PDF, and they already do (mildly).
You can strip the watermarks with a tool called pdfparanoia.https://github.com/kanzure/pdfparanoia
disclaimer: I wrote pdfparanoia because watermarks.
request several incarnations and junk the diff
That's fine if you're technical enough to even know what that means; I'm worried about the people working outside the tech realm who could be unaware even of the personal risk when they try to help out.
But I'd love to have just seen the pirate bay duplicate itself and to create a site exclusively for academic papers. Seeding of obscure papers might be an issue, but I'm sure that it would work quite well.