Here are the steps to doing it (its not a secret since after finding this, i did a simple google search and found how to do it).

All a player has to do is log out and log back in, when he sees his double, he kills it with a headshot an loots it. He will not die since the one instance of himself still lives.

link to a video tutorial. (again just google "dayz item dupe version 44" and you will find it).

https://www.youtube.com/watch?v=CY9YyCUIAJk

i have means of suicide, but they're bugs... (can be done anywhere at anytime and is already reported)

but +1 for a legit option.