I've updated yenten.isg.is with the link to https://yenten.luckypool.org/Yenten-Qt.dmg. Copied the textual parts about GPU and ASIC resistance of the YescryptR16 spec to the whitepaper and added the link to https://github.com/bsdphk/PHC/blob/master/Yescrypt/yescrypt-phc.pdf to the whitepaper