Universal Quantum Correction to Hawking Temperature from Unified Quantum Gravity

Here, we derive the Hawking temperature in the framework of Unified Quantum Gravity (UQG) and discover a universal quantum correction that is independent of black hole mass. The correction arises from quantum rigidity—a fundamental parameter quantifying the resistance of spacetime to quantum fluctuations—and yields T_UQG = T_GR/(1+ξ) where ξ = 0.0023 ± 0.0003 is determined from independent cosmological observations. This represents a 0.23% reduction in temperature for all black holes, from primordial to supermassive scales. The universality of this correction provides a unique signature of UQG, distinguishing it from other quantum gravity theories. We discuss observational tests using primordial black hole evaporation and implications for black hole thermodynamics, including a 0.92% increase in evaporation timescales. This work establishes Hawking temperature as a precision probe of quantum gravitational effects.