v4.0.0 – The Jovian Pivotal Shift (TEIO Model v4) Abstract: Version 4.0 documents the empirical validation of the Torque-Entrained Interstellar Object (TEIO) model via the January 20, 2026 Forensic Audit. Observations confirm a two-stage stabilization process for C/2025 N1 (ATLAS) triggered by an extreme solar event, manifesting as a deterministic phase-reset of the object's rotational and kinematic state. Key Updates: Stage I Reset Confirmed & Accelerated: Documented a 48-hour advancement of the predicted Angular Momentum Reset. The reset was triggered by the arrival of a G4-severe solar storm (CME shock velocity ≈ 1,069.9 km/s), demonstrating the object's dynamic sensitivity to heliospheric magnetic torque-stress. Morphological Proof: Identified a coherent helical kink in the sunward filament (anti-tail) during the event peak. This geometry is direct kinematic evidence of forced precession and spin-axis realignment—a signature strictly inconsistent with stochastic outgassing. Astrometric Validation & The Gyroscopic Tax: The 0.08" astrometric jitter correlates precisely with the newly released JPL Solution 49. The solution's negative A₃ (normal) component (−5.953×10⁻⁹ AU/d²) is identified as the "Gyroscopic Tax"—the out-of-plane force required to maintain structural integrity against the torque inducing field-locked precession. Chemical Divergence (Structural Prerequisite): Notes the 6.1σ CO₂/H₂O outlier ratio (8.0:1) as evidence of a high-tensile, anhydrous core. This composition is the material prerequisite enabling the strong magnetic moment and mechanical coherence required for the TEIO coupling mechanism. Summary: The paradigm shift from a "stochastic snowball" to a field-active, torque-entrained gyroscope is now supported by a convergent chain of evidence: an accelerated kinematic reset, a structured morphological signature, a quantifiable gyroscopic force, and the requisite anomalous composition. This update provides the validated physical foundation for the model's core prediction: the March 16 Jovian Snap-In at the Hill Radius boundary, where Jupiter's dominant torque field is predicted to seize control.