Audited Playback Verification
Every slot. Every screen. Cryptographically verified.
DOOOOH Proof of Play combines hardware telemetry, MQTT event streaming, and automated screenshot capture into a tamper-resistant delivery audit.
DOOOOH_PLAYER_TELEMETRY_LOG
PROTOCOL: V3_SECURE_MQTT•STATUS: VERIFIED_LIVE
// Real-time hardware telemetry record payload (Example)
{
"event_type": "SLOT_PLAYBACK_COMPLETED",
"screen_id": "1chnrPPfWggMRWiCZKJG",
"hardware_fingerprint": "SHA256:8f3c7a9b12...",
"playback_duration_ms": 10000,
"display_resolution": "1920x1080@60Hz",
"luminance_sensor_status": "NORMAL_OUTDOOR_ACTIVE",
"screenshot_audit_hash": "ipfs://QmZ9vY6aB3...",
"verification_state": "CRYPTOGRAPHICALLY_VERIFIED"
}
Telemetry Frequency15-sec Heartbeat
Audit CaptureRandomized Snapshots
Playback Accuracy±5ms Precision
Settlement TriggerAutomated Escrow Release
Real-Time MQTT Telemetry
Each DOOOOH Player device streams slot-level heartbeats at sub-second resolution to the central verification engine.
Screenshot Audit Frames
Periodic camera captures are automatically tagged with timestamps and screen identifiers for visual confirmation.
Cryptographic Hash Chaining
Every delivery event is signed with a SHA-256 hash chain, making retroactive falsification mathematically impossible.