GeoStamp: Verified GPS Camera
Field VerifiedCapture tamper-evident field documentation with online-verified NTP timestamping, GPS satellite coordinates, verification status (✓ VERIFIED vs ⚠ UNVERIFIED), compass orientation, and street address metadata directly stamped onto your photos. Built with a zero-login architecture that keeps your photos strictly on your device.
Key Capabilities
Tamper-Evident NTP Verification
Queries authoritative unauthenticated NTP atomic clock servers (Google, Cloudflare, pool.ntp.org) to prevent device clock spoofing.
Satellite & Altitude Telemetry
Captures precise GPS coordinates, altitude, accuracy meters, and geodetic reference metadata.
Encrypted Reverse Geocoding
Converts coordinates to street addresses and mini-map thumbnails over TLS without sending user IDs or photos.
Zero-Login Local Gallery Storage
All photos are processed locally and saved straight to your device gallery (Pictures/GeoStampCamera) with zero remote uploads.
Permissions Declared on Google Play Store
Every permission requested is dynamically handled and strictly limited to explicit user actions: