The original version of the SWTC White Paper in English is the file named SWTC.White.Paper.pdf
The various translated versions of the White Paper, available for download in different languages have been created by the enthusiastic effort of several SWTC Team and Community members using online translation tools and their own personal efforts. We request users to check the original version first and compare it with the translated versions to avoid any loss in information from the original White Paper to the translated version. 
If you have any questions you can send a mail to admin@swtcoin.network