jonny saunders (@json_dirs) 's Twitter Profile
jonny saunders

@json_dirs

Find me on the free web: 🐘personal: @[email protected] work: @[email protected] bsky: @jo.nny.rip

ID: 892306984610824192

linkhttps://jon-e.net/ calendar_today01-08-2017 08:52:18

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jonny saunders (@json_dirs) 's Twitter Profile Photo
jonny saunders
@json_dirs

4 years ago

More fun publisher surveillance: Elsevier embeds a hash in the PDF metadata that is *unique for each time a PDF is downloaded*, this is a diff between metadata from two of the same paper. Combined with access timestamps, they can uniquely identify the source of any shared PDFs.

More fun publisher surveillance: Elsevier embeds a hash in the PDF metadata that is *unique for each time a PDF is downloaded*, this is a diff between metadata from two of the same paper. Combined with access timestamps, they can uniquely identify the source of any shared PDFs.