Open Access, Science, and Research

This is what an actual giga-chad looks like

Published January 28, 2022By John L. Tates

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“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.”

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