It is much simpler than you suspect.
Simple? Please explain how one records large numbers of physical human bodies as with the transfiguration on the mount as was done with Jesus' body. Making "adam" from dirt is one thing, at least in Jesus' case they had a physical corpse to start with....
There are some 10^28 atoms in the human body, a LOT of atomic/molecular information to record. And there are some 3 BILLION base pairs in the human genome....
Simple? How is it SIMPLE?