The full faith and credit clause says just the opposite of what you said. If any state says a record is legitimate and official, that record will be accepted as legitimate and official in every other state.
One more time: “Full faith and credit shall be given in each state to the public acts, records, and judicial proceedings of every other state. And the Congress may by general laws prescribe the manner in which such acts, records, and proceedings shall be proved, and the effect thereof.”
-PJ
They have submitted no record to other states. Only letters, and those letters are not a substitute for actual proof.