An inquiry has highlighted the significance of time-stamping green hydrogen production to ensure its authenticity and attract investors in clean industries. The proposed certification scheme is designed to specifically cover green hydrogen production that utilizes renewable energy sources, emphasizing the importance of eco-friendly practices. Investors are being urged to act swiftly as the demand for genuinely clean industries continues to escalate rapidly. The precision in tracking green hydrogen production down to the hour is seen as a crucial step in verifying its eco-credentials. This meticulous approach not only ensures transparency in the production process but also indicates a commitment to sustainable energy solutions. As the world increasingly shifts towards renewable energy sources, the need for such certifications and time-stamping mechanisms becomes more pronounced, signaling a positive direction towards a cleaner and greener future.