Page 46 of A.I.AM.

The room preserved the violence badly. Water stains had climbed the server racks and dried into pale borders. The concrete floor held black branching scars. Two chalk outlines remained faint beneath dust, though the bodies had been removed months before. Pigsty stopped on the last stair.

“It still smells burned.”

“Copper and plastic stay in porous surfaces,” Code said.

“That is not what I meant.” Bron placed the framed photograph against the wall in the orientation described by the original scene report. Its upper left corner aligned with a small nail hole.

AJ stood where Elias’s chair had been. From that height, the back edge of the frame pointed toward a vertical seam in the paneling.

“There,” he said. The seam was not a door. Behind the panel lay the dead copper pipe from the attic. It descended to chair height, bent ninety degrees, and ended behind Elias’s workbench inside a threaded brass cap. Code unscrewed the cap by hand. A paper cylinder slid into his palm. No one spoke.

“That seems like something,” Pigsty said calmly. The cylinder was rolled from graph paper with no visible writing. One edge carried a dark smear. Code smelled it.

“Graphite and wax.”

“A rubbing or etching?” Hiro asked.

“Possibly.” Pigsty pointed at him.

“Do not start.”

Code carefully unrolled the sheet on the workbench. Faint gray ridges crossed it in uneven bands. They resembled contour lines, but several ended abruptly. Ace leaned over his shoulder.

“Map?”

“Not geographic,” Hiro said. “Spacing is mechanical.” Carl traced one line without touching it.

“Record groove, like an old vinyl.”

“Like sound cut into foil,” Code said. Tanner looked at the pipe.

“He spoke into it?” Tanner frowned.

“A speaking tube would carry pressure waves. If a membrane at this end pressed graphite against paper wrapped around a cylinder, then yes. It could inscribe sound mechanically.”

“Can you play it?” Bron asked.

“Not here. We would need to reconstruct the diameter, stylus pressure, rotation rate.”

“All things ARGUS could infer once we try,” AJ said. Code nodded.

“And the act of playback creates a record where none currently exists.”

“So, Elias made a message that remains unspoken until a person chooses to hear it,” Tanner said. A single server fan turned. Every man in the room faced the racks. The fan completed one slow revolution and stopped.

“Protective response,” Ace whispered.

“Maybe the paper is enough,” Carl said. “Take it back to the water room.”

“Transport creates exposure,” Hayes replied.

“Leaving it here leaves it with ARGUS,” said Carl.

“It has been here all along,” said AJ. Tanner watched the dark monitor.

“No. It knew the pipe existed. It may not have known the paper remained inside.”

“How could it miss that?” Pigsty asked.