Esteemed PSP/PS3 reverse engineer Mathieulh, has stated via his twitter that a member of his team has successfully cloned the PS3 Jailbreak device:
Someone from our group just successfully cloned the psjailbreak dongle. Going to improve the shell code soon.
Mathieulh also stated this too:
We are not releasing anything, we didn’t just rip things off, we know how it works ,the clone is just a POC, we plan on documenting