Mondo64no135 Exclusive -
Joint Publications Research Service (JPRS), specifically JPRS 55484.
But then why does it feel so real? Why do people report nightmares after listening to the 135 Hz silence? Why did one researcher, who wishes to remain anonymous, claim that after analyzing Artifact #004 for 64 consecutive hours, they began to see the number 135 “in the grain of their wooden desk, in the cracks of the sidewalk, in the pause between their own heartbeats”? mondo64no135