Chamber 09 is a broom cupboard.

Fictional maintenance record / no unusual activity

The number 09 refers to the shelving unit. The fluorescent hum was a loose ballast. The “private compute cluster” was a label printer.

Not every pattern is a signal.

SKEPTIC_00 left a note: “Good work investigating. Better work knowing when to stop.”

This is a deliberate red herring. The useful clue is at the beginning of each line in the recovered fragment.