Exactly. So it must not exist!
'No,' said O'Brien.
He stepped across the room. There was a memory hole in the opposite wall. O'Brien lifted the grating. Unseen, the frail slip of paper was whirling away on the current of warm air; it was vanishing in a flash of flame. O'Brien turned away from the wall.
'Ashes,' he said. 'Not even identifiable ashes. Dust. It does not exist. It never existed.'