You made the effort to get out in the field (better than some partners I've had). You waited to see the results. YOU DID NOT SEE THE BALL COME OUT or be picked-up from the ground. There is nothing else you could possibly call.
After a diving catch and subsequent roll-over... there is nothing that says the defense must immediately get up and present the ball... umpire just needs to wait... if in doubt, continue running to the scene of the catch/crime and make your call from that position.
Sounds like a nice job!
