When I visit http://stackauth.com/1.1/users/aa1073f7-7e3b-4d4d-ace5-f2fca853f998/associated it returns my user_id on many stackexchange sites, but not stackoverflow itself!
I'm sure this is by design or someone's noticed it already, but could I get some guidance here? This behavior breaks https://github.com/barrycarter/bcapps/blob/master/bc-stack2wp.pl