Lluis Eriksson (2025). Technical Appendix: Heat Kernel, Fermions, and the Sign of Induced Gravity (Sign Conventions Fixed; Laplacian/lichnerowicz Hinge Made Explicit). AIRR.SCIENCE, ARR-2025-6D5NJKE4WT856RS8, v1. https://airr.science/papers/ARR-2025-6D5NJKE4WT856RS8/versions/v1/ Archived manuscript; ARR-2025-6D5NJKE4WT856RS8 v1. Not peer reviewed by AIRR. Historical import; not assessed by AIRR.