Interesting but irrelevant:
http://www.ssa.gov/history/ssn/geocard.html
Plus, it has to be proved that it is his SSN beyond a shadow of a doubt. IF you prove it is his, it still would not stand up as evidence due to the SSAs own admission.
The problem shadows and doubts is the fact that 0thugga is hiding/obscuring/sealing/etc every document from his entire life.
Hopefully a court case somehow or other will bring at least some of this out into the light of day.