Centinela: Grabadora Legal

🛡️ Centinela: Advanced Evidence Capture and Security System

Centinela is not just a voice recorder; it's a comprehensive software solution designed to guarantee personal safety and document integrity in critical situations. Focused on legal protection, Centinela allows you to certify the authenticity of each recording using digital forensic technology.

✨ KEY TECHNICAL FEATURES:

🎙️ HIGH-FIDELITY FORENSIC AUDIO
Utilizes the device's hardware with the VOICE_RECOGNITION source, optimized to prioritize human voice frequencies and activate noise cancellation and echo suppression. AAC quality at 44.1 kHz.

🔐 SHA-256 DIGITAL SIGNATURE
At the end of each recording, the system generates a unique SHA-256 hash. This "digital fingerprint" guarantees that the evidence has not been tampered with or edited, ensuring its technical integrity for legal use.

📍 LINKED GEOLOCATION
Automatically links each file with precise GPS coordinates and physical address (Geocoding) at the exact moment of capture.

⚡ DISCREET HARDWARE ACTIVATION (PANIC BUTTON)
Designed for maximum discretion. Starts or stops recordings with a burst of 3 presses of the volume button, even with the screen locked and the device in your pocket.

📋 PDF EVIDENCE REPORTS
Generates professional reports that include technical metadata, the highlighted SHA-256 certificate, and detailed geographic context, ready for export or presentation.

🔒 MULTI-LEVEL SECURITY
• Biometric Authentication: Access is locked using fingerprint or facial recognition.

• Secure Local Storage: Your evidence is managed privately in an encrypted local database; nothing leaves your device without your consent.

• Robust Persistence: Implementation of foreground services and WakeLocks to prevent battery optimization shutdown.

--- USE OF ACCESSIBILITY SERVICE: Sentinel uses the Accessibility API solely to detect physical volume button presses. This use is strictly functional to enable discreet emergency activation. We do not collect, monitor, or share any personal user data through this service.

⚖️ DISCLAIMER: This application is a technological tool for personal security. The user is solely responsible for knowing and complying with applicable laws in their jurisdiction regarding the recording of communications.