She reached for the power cord. Her hand stopped an inch away.
The log was clean for the first 255 lines.
scancode.256 — three times fast.
scancode.256
The ghost had just pressed Escape.
scancode.256
She typed a command: echo "Who are you?" scancode.256
She traced the source. The signal didn’t come from the keyboard controller or the emulated HID driver. It came from the quantum co-processor’s error correction buffer —a place where discarded quantum states went to die. The machine was translating decoherence events into key presses.
The system logged no scancodes from her keyboard. But five seconds later, a new line appeared in the buffer. She reached for the power cord
“It’s a prime number thing,” her supervisor, Dr. Aris, had muttered before giving up and marking it as “cosmic bit-flip noise.” But Marta knew better. Cosmic rays don’t keep a calendar.