What if the head of the agency responsible for verifying these courts institutes a policy that courts will lose their verification for rulings against abortion?

What if two courts in neighboring jurisdictions claim to be the same court? They each submit a different public key, but both can verify they hold the private key that pairs with the public key they submitted. How does the federal agency even verify the identity of a courthouse? Do they need to physically visit them and meet with the judge to tap a Yubikey?

What if somebody steals the YubiKey from the judge? What if a referendum dissolves a jurisdiction?

What is the process for revocation of verification?