System Architecture
Hyper-Exclusive Telemetry
RollCall utilizes real-time geofencing and ephemeral database logic to transform campus presence into live social circles.
Live Perimeter
Zero-Click Geofencing
Automated 50m perimeter detection
Background location tracking creates a 50-meter digital boundary around events, checking users in automatically without manual interaction.
Perimeter Status50M Active
Capabilities
- Background location polling
- Automated check-in triggers
- Precision boundary mapping
5-User Trigger
The 5-Person Pop
Dynamic feed visibility logic
Circles remain invisible until 5 verified users enter the perimeter, ensuring only active, high-density events appear on the campus feed.
Threshold Status5/5 Verified
Capabilities
- Real-time headcount tracking
- Dynamic feed visibility
- Verified user validation
60m TTL Purge
Ephemeral Death Timer
Automated database cleanup
Strict 60-minute TTL cleanup rules ensure all media and messages are permanently purged from the database after the event window.
TTL Decay Status3600s Cycle
Capabilities
- Automated database purging
- Strict 60m TTL enforcement
- Zero-persistence storage
Access the RollCall API
Verified .edu domains only.