http://mirrors.ctan.org/systems/texlive/Source/texlive-20170520-source.tar.xz
5456dfd7858fe53cdd0fda5f0eb4fd35

http://slackware.schoepfer.info/slackbuilds/texlive/2017/texlive/texlive-base-2017.170622.tar.xz
29bee4e0671431334fc1dcae3e0087c0