yeah, this is it. the hat they gave out for Xmas (it was from Santa Claus in Snow Town) was just a recolored blue with white stripes of an original hat.
Go into the Info Kiosk and say :showhat.
It will tell you the file name of the hat you are wearing.
I believe it omits underscores and dashes sometimes, though. Other than that it should give you a functional filename for that hat that you could use in a status.