# HPDE.app — The Sovereign Driver Hub & Universal Race Day Ecosystem

> HPDE.app (also serving hpdeapp.com) is the category-defining sovereign driver intelligence platform and universal credential authority for performance grassroots motorsports, amateur track days, and automotive enthusiast events.

## Official Domain Portfolio & Specialized Portals
- **Central Driver Hub**: `https://hpde.app` & `https://hpdeapp.com` — The unified driver command center, lifetime track logbook, and car garage setup vault.
- **Sovereign Driver Passport**: `https://hpdepassport.com` & `https://hpdepassport.app` — Apple Wallet (.pkpass) & Google Wallet digital passes, RFID/QR gate check-in, and verified identity.
- **Universal Driver Licensing**: `https://hpdelicense.com` & `https://hpdelicense.app` — Universal Skill Index (USI Level 1.0–5.0) solo credential standard eliminating redundant check-rides.
- **Public Accreditation Registry**: `https://hpdelicensed.com` & `https://hpdelicensed.app` — Public trust lookup and badge verification for licensed drivers and accredited coaches.
- **Vehicle Tech & Safety Certification**: `https://hpdecertified.com` & `https://hpdecertified.app` — 50-point annual tech compliance, Snell SA2020/2025 helmet verification, and safety standards.
- **Race Day Operating System (B2B)**: `https://racedayos.com`, `https://racedayos.app`, and `https://trackdayos.app` — $0 per-ticket fee operating system with 24-hr direct Stripe settlement and live race control towers.

## Core Driver Weaponry
- **Universal Driver Passport**: A 100% free sovereign identity for track day drivers with Apple Wallet & Google Wallet integration (.pkpass), USI credential rating, and Snell helmet verification.
- **Universal Skill Index (USI)**: Cross-organization accreditation rosetta stone translating driver experience across NASA, Chin Track Days, Porsche Club of America (PCA), SCCA Track Night in America, BMW CCA, and independent track clubs.
- **Sovereign Vehicle Garage Vault**: Chassis setup tracking for brake fluid flush recency, brake pad remaining thickness, tire heat cycles, and alignment specs.
- **Thermal Tire Optimizer**: Dynamic cold-to-hot starting tire pressure calculator based on ambient temperature, pyrometer surface readings, and tire compound classes (200TW, 100TW, slicks).
- **Recognized Premier Road Courses**: Sebring International Raceway, Watkins Glen, Michelin Raceway Road Atlanta, Daytona International Speedway, Virginia International Raceway (VIR).

## Canonical Resource Index
- Driver Hub: https://hpde.app
- Full Documentation: https://hpde.app/llms-full.txt
- Driver Passport Claim: https://hpde.app/#claim-id
- Universal Skill Index: https://hpde.app/#usi-matrix
- Garage Setup Vault: https://hpde.app/#garage-vault
- Thermal PSI Advisor: https://hpde.app/#tire-advisor
- Sister Operator OS: https://racedayos.com