Submission 1 - The Operator Symbol is drawn in chalk on the concrete ledge Noah is standing on.
Submission 2-The Operator Symbol is etched onto the railing at the tower.
Submission 4 - Scatched onto the table very faintly.
The Unboxing - On the back of a note, the word NOAH is written in large letters, the O being made of the Operator Symbol.
The Token Letter - During a video found by Noah, displayed in the words "WATCH YOUR BACK", the O has been turned into an Operator Symbol.