You can ask a security officer after the immigrations desk to stamp it. It's entirely dependent on the officer and whether the stamp is at the desk that day, bu

You can ask a security officer after the immigrations desk to stamp it. It's entirely dependent on the officer and whether the stamp is at the desk that day, but my wife and I recently both got our passports stamped this way. No guarantee, etc - but theoretically still possible as of 2024.