Commercial Deployment of High-Assurance Financial Networks: Five Physical-Layer Provenance Pillars and a Zero-Friction Integration Architecture

Cryptography proves "knowledge," but it cannot prove "physical origin." This gap is now being forcefully pried open by the 2026 Convergence: Quantum computing erodes the hardness assumptions behind traditional signatures, while Agentic AI drives the marginal cost of synthesizing fraudulent transactions toward zero in a pure algorithmic cloud (a "Causal Vacuum"). This white paper proposes a physical-layer provenance framework for high-assurance financial networks, anchored not by computational hardness, but by the Second Law of Thermodynamics. The framework rests on the Physical-Asymmetry Postulate (Eproduce≫Everify): producing a genuine physical history forces an attacker to do real thermodynamic work, whereas verifying it takes only a single measurement. We introduce Five Physical-Layer Provenance Pillars: CVD (Causal Vacuum Detection): Checking the dissipation trace of real work against synthetic generation. Thermodynamic Audit (TGO / Leq≤0.5 mm): A topological geometric offload framework for origin-side verification. SII (Spatial-Inertial phase Identification): Validating physical-origin consistency up to the Tsirelson quantum ceiling. Zero-Friction Blocking: Default volatility driven by entropy increase. ZTJ-L (Zeno-Triggered Joule Latch): An irreversible phase-transition trigger (Fend state) using the Landauer limit (Emin≥kBT ln2) to destroy high-risk paths physically rather than logically. Strict Disclosure Tiering Statement (Legal & Patent Boundary) To prevent any ambiguity regarding prior art and intellectual property, the contents of this paper are strictly divided into three tiers: Tier 1 (Public Assets): The physical-layer principles of the five pillars, the causal vacuum concept, and the equivalent spatial-length threshold Leq≤0.5 mm, originating from earlier-filed, priority-protected parent applications. Tier 2 (Public Physics): Independent reproducible verification using public physical constants (e.g., Jarzynski equality, CHSH limits). Tier 3 (Deliberately Withheld / CIP Pending): Crucial device-level implementation details—specifically the calibration matrices, sensor front-end parameters, Mproj projection weights, pulse waveforms, and the cooperative integration protocol with the clearing network. These are intentionally reserved as trade secrets and pending patent subject matter. This paper contains no undisclosed implementation parameters. TL;DR / Final Legal Boundary: Tier 1: physical mechanisms (CVD / SII / TGO / Λ24 / Leq) already disclosed in HPCA / V7.5 / V8.5. Tier 2: publicly reproducible physical-constant checks. Tier 3: cooperative integration protocol kept under pending CIP and trade secret.