The terminal blinked.

“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.

She was now deep in the firmware, past the OS, past the BIOS, into the buried city of the keyboard controller’s scancode set. Each keypress, each virtual signal from the simulation’s input buffer, translated into a byte: scancode 1 for Escape, 14 for Backspace. She’d written a small script to log every single scancode the simulator generated during its boot sequence.

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 log was clean for the first 255 lines.