T. Bollinger, “Revisiting the Mixed-Signature Foundations of Special Relativity.” Apabistia Notes 2025, 1108120001 [Nov. 8] (2025). Slides: https://sarxiv.org/apa.2025-11-08.1200.pdf Video: https://youtu.be/wII9hRk3DOo Edited transcript: https://sarxiv.org/apa.2025-11-08.1200.01.pdf Citation: https://sarxiv.org/apa.2025-11-08.1200.02.txt