Trinity is a fully chained exploit for the PS Vita consisting of six unique vulnerabilities. It is based on a decade of knowledge and research. This is a long whitepaper detailing everything.
You can download it from the following link: https://packetstormsecurity.com/files/download/153398/sonyps4-escape.txt
Source: https://packetstormsecurity.com/files/153398/Sony-PlayStation-Vita-PS-Vita-Trinity-PSP-Emulator-Escape.html