Privacy, Security & Scope.
How this portfolio handles visitor privacy, browser security headers, AI-assisted engineering disclosure and evidence-based claim boundaries.
Zero-Tracking & Cookie Policy
No advertising cookies or behavioral tracking. This website (ardhyanovri.my.id) is a static engineering portfolio. It does not load third-party advertising pixels, cross-site tracking cookies, session replay scripts or behavioral analytics.
Client-side execution only. Interactive demonstrations—such as the EMG Signal & Serial Lab and local search—run entirely in your browser memory using client-side JavaScript. No inputs entered into the interactive labs are transmitted to an external server.
Voluntary contact & public CV redaction. Reaching out via Contact opens your local email client (mailto:ardhyasan@gmail.com); no contact form messages are stored in an intermediary web database. To protect personal privacy on the public web, the downloadable public CV (cv-ardhya.pdf) intentionally omits personal phone numbers and street addresses, which are shared directly during formal recruitment processes.
Evidence-First Claim Boundaries
Every technical project, internship record and research artifact on this site separates configured parameters from measured results, and individual contributions from team or supervisor scope:
- Undergraduate Thesis (EMG)
- My individual scope on the rehabilitation-hand thesis (Diponegoro University, 2026) covers the SEN0240 + STM32F411CEU6 EMG acquisition firmware (12-bit ADC with DMA configured at a nominal 4 kHz), cascaded digital filtering (20 Hz HPF, 500 Hz LPF, 50 Hz notch), RMS/MAV feature extraction (400-sample / ~100 ms window) and the complete Python/Tkinter monitoring GUI. The FES stimulator hardware (Aldin) and fuzzy/FSM control design (Zain) are distinct team contributions. The GUI self-test (
10/10check groups) verifies software parsing, safety state logic and CSV logging; it does not claim clinical validation or medical-device certification. - Airport Electrical Internship
- During my Jan–Feb 2025 internship at PT Angkasa Pura Indonesia (InJourney Airports — Soekarno-Hatta International Airport Electrical Utility), my activities consisted of supervised preventive maintenance observation, Genset/panel parameter checklist logging and technical orientation across UPS, CCRC, HVD and LVD systems. I do not claim independent high-voltage switching authority or protection-relay commissioning.
- ENVIID Web Development
- As sole web developer for PT ENVIID Karbon Solusi (
enviid.web.id), I built the bilingual corporate site, interactive biochar carbon removal calculator and digital MRV workflow walkthrough. The calculator and dMRV pages are interactive web scenario models and traceability demonstrations for a project in development—not a certified carbon credit issuance registry. - Proposals & Simulations
- Academic and competition proposals (Nusantara SolarWing, Timor-Leste Rural Technology, GovTech/Gov-AI, IoT Biofiltration, PLTA Jatigede) are documented strictly as conceptual or model-based studies without field-deployment claims. Open-source benchmark suites and browser simulations state their exact synthetic test fixtures and verification commands.
- AI Assistance Disclosure
- Coding agents (Claude, OpenAI Codex, Google Antigravity) assist with scaffolding, refactoring, UI iteration and documentation. I review, test and take responsibility for the published code and factual accuracy.
Security Headers & Infrastructure
Hosting & Transport Security. Static assets and fonts are self-hosted and served over HTTPS via Vercel edge infrastructure with HTTP Strict Transport Security (Strict-Transport-Security: max-age=63072000; includeSubDomains).
Browser Hardening. Responses enforce a strict Content-Security-Policy (default-src 'self', frame-ancestors 'none', object-src 'none'), X-Frame-Options: DENY, X-Content-Type-Options: nosniff, Cross-Origin-Opener-Policy: same-origin, Referrer-Policy: strict-origin-when-cross-origin and a restrictive Permissions-Policy disabling camera, microphone, geolocation, USB, WebSerial, WebBluetooth and Topics/FLoC APIs.
External Links & Security Contact. Outbound links to GitHub, LinkedIn and enviid.web.id open with rel="noopener" and are governed by their respective platforms' privacy policies. Security researchers may report issues via /.well-known/security.txt or ardhyasan@gmail.com.
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