The team behind the jailbreak has no real name other than 'UnthreadedJB'; however, the jailbreak has been confirmed working by a various people across the web. Currently it is available for linux only.
It's believed that the jailbreak uses previous exploits released by established members of the jailbreak community; however, no real information about its workings have been revealed yet.
If you have a CDMA iPhone 4 running iOS 5.1 and use Linux, you can find more information at the link below...
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