Gregory's Serveryou go to school to study "the brain" and then the next thing you know you're learning how to debug surveillance in PDF rendering to understand how publishers have so contorted the practice of science for profit. how can there be "normal science" when this is normal?
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5 comments
 It's a couple things: a) Elsevier's vendor's tool only has to be good enough to impress Elsevier b) Deterrence being more efficient than prevention |
follow-up: there does not appear to be any further watermarking: taking two files with different identifying tags, stripping metadata, and relinearizing with qpdf's --deterministic-id flag yields PDFs identical with a diff, ie. no differentiating watermark (but plz check my work)