Geometry First Physics: A Research Guide — Foundations, Tests, and the Bekenstein Bound

Title (Extended) Geometry First Physics: A Research Guide — Why Geometry Is Fundamental, What the Bekenstein Bound Actually Means, and How to Test It All (In the Spirit of Feynman) Description This collection presents a comprehensive research framework for the "Geometry First" approach to theoretical physics — the proposition that spacetime geometry is the fundamental ontology, and that matter, energy, information, and even quantum mechanics are emergent phenomena constrained by geometric structure. Written in the spirit of Richard Feynman — direct, concrete, suspicious of formalism without physical interpretation — this guide provides: Volume 1: Blueprint — The founding philosophy, the three-layer research architecture (Ontological/Structural/Computational), the central open questions, and a five-phase research program from foundation to synthesis. Volume 2: Experimentalist's Guide — A tiered assessment of testability: what can be tested now (Hawking radiation analogs, black hole shadows, entanglement entropy), what is near-future (GW spectroscopy, Planck-scale dispersion), what is long-horizon (Page curve, CMB signatures), and what is indirect but structurally probed holographic duality, ER=EPR. Includes a Feynman Scorecard of major predictions with current verdicts. Volume 3: Bekenstein Bound Deep Dive — The sharpest constraint in physics: why area not volume, what can literally exist, the ontological force of information bounds, and the six research directions this constraint opens holographic QG, ER=EPR, entropic gravity, firewall resolution, quantum error correction, complexity=volume. Core Contributions: The first systematic tiered testability matrix for holographic/geometry-first physics A Feynman Scorecard tracking predictions from "confirmed" to "untested" Explicit falsification criteria — what would kill the program The Bekenstein accounting tables showing information capacity of real systems A research roadmap with clear phases and success criteria Target Audience: Theoretical physicists, quantum gravity researchers, philosophy of physics scholars, advanced graduate students, and experimentalists seeking testable predictions from fundamental theory.