Maintenance teams have cataloged these recurring patterns in ventilation systems and facility infrastructure. Each entry represents a verified anomaly that defies standard building systems analysis.
Hex code 0xDAVE appears in system logs
Timestamp anomalies: 04:21, 12:25, 20:52
Floor plan inconsistencies detected
Heartbeat pattern in electrical grid
Level 7 access logs show no entry/exit
Triple-knock pattern on service doors
Morse code pattern: dash dash dash space dash dash space dash
Ventilation audio: "d a v e" at 20Hz
Emergency lighting activated without trigger
Cross-reference with personnel records. Pattern matches former employee signature.