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Now I have a pdf file which I see the creation time and the modification time. Is there a way to know which part (e.g. tables/figures/text) are modified in the metadata?

In other words, how could I identify the difference between the initial pdf file the current one.

I tried PyPDF and Pdf2htmlEX which do not help.

Syhaa
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    Has the modification been stored as an incremental update or not? If not, you have no chance unless you also have the original. – mkl Mar 03 '23 at 16:37
  • https://www.startpage.com/sp/search?query=pdfdiff&cat=web&pl=opensearch&language=english – Robert Mar 03 '23 at 17:09

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