经审计的播放验证
每个广告位。每块屏幕。加密验证。
DOOOOH播放证明将硬件遥测、MQTT事件流和自动截图捕获结合成防篡改的交付审计。
Verification Protocol
Zero Audience Surveillance • Pure Delivery ProofThe Lifecycle of an Ad Playback Event
STAGE 01
Booked
Campaign slots confirmed with locked commercial snapshot.
STAGE 02
Scheduled
Hardware loop schedule compiled and cached on edge device.
STAGE 03
Played
Slot rendered on screen down to sub-second duration accuracy.
STAGE 04
Verified
Device HMAC signature checked against registered screen credentials.
STAGE 05
Reconciled
Billable delivery recorded and matched with owner payout batch.
DOOOOH_PLAYOUT_VERIFICATION_LOG
PROTOCOL: SECURE_TELEMETRY•STATUS: RECONCILED
// Playout execution telemetry record
{
"playoutId": "pop_9a87f2e18d7b",
"screenId": "1chnrPPfWggMRWiCZKJG",
"campaignId": "cmp_summit_2026_launch",
"startTimestampMs": 1772605200000,
"durationRenderedSeconds": 10.00,
"playbackStatus": "RENDERED_SUCCESS",
"deviceSignature": "hmac-sha256:7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069",
"reconciliationStatus": "BILLABLE_MATCH_CONFIRMED"
}
Timestamp PrecisionSub-second Start/End
Device AuthenticationHMAC Signature
Privacy StandardZero Biometrics
Settlement LinkReconciled Delivery
实时MQTT遥测
每个DOOOOH播放器设备以亚秒分辨率向中央验证引擎流式传输广告位级心跳。
截图审计帧
定期摄像机捕获自动标记时间戳和屏幕标识符以进行视觉确认。
加密哈希链
每个交付事件都使用SHA-256哈希链签名，使事后伪造在数学上不可能。