The Grand Locus / Life for statistical sciences

Subscribe...


the Blog

... and academic reprints for all

Like many other academic journals, Molecular and Cellular Biology takes copyrights very seriously. And to trace the criminals who share scientific publications funded by public institutions, they add to the margin of the pdf reprints downloaded from their website the date and the identity of the license owner.

I recently heard that some people downloaded and installed the pdf toolkit pdftk and at the Linux terminal issued a command like the one below, where they replaced article.pdf by the name of the pdf they had downloaded.

pdftk article.pdf output uncompressed-article.pdf uncompress

Using their text editor, they opened the uncompressed pdf file and looked for lines like the ones below and commented them out with a % sign.

10 0 0 10 0 0 cm BT
/R19 11 Tf
0 -1 1 0 579.5 456.847 Tm
[( on some day by Institution of the Evil Person)556]TJ
-94.148 0 Td
[(http://mcb.asm.org/)278]TJ
-89.2543 0 Td
[(Downloaded from )278]TJ
ET

They then ran pdftk again to fix the pdf document, and the download information was gone.

pdftk uncompressed-article.pdf output stripped-article.pdf

Needless to say, doing...






Content © 2013 . All Rights Reserved blah blah.

the Lab
The team
Research lines
Protocols
Work with us
Contact

the Blog
Archive
About