Cruz-Salgado, Javier, Roxana Zaricell Bautista-López, Javier Yañez-Mendiola, Edgar Augusto Ruelas-Santoyo, Israel Miguel-Andrés, and José Alfredo Jiménez-García. 2026. “A Non-Parametric Validation Framework for Photoplethysmography-Based Heart Rate Monitoring: A Proof-of-Concept Study Using the Two-Sample Kolmogorov–Smirnov Test”. Journal of Applied Research in Technology & Engineering 7 (1):58-70. https://doi.org/10.4995/jarte.2026.24883.