Burdick's Crag Mass v24: Boundary Dynamics (σcrit Discovery — Nonlinear Saturation Required for Stable Boundary), Three Substrate Regimes (Diffusive Healing 0. 99987, Coherence Failure 0. 742, Boundary Nonlinear 38×), Baryonic Grind (Throat Coherence Loss 25. 8%), Arrival Timing (No Safe Window — OpT Lead 8000 Steps), Boundary Stability Sweep (2/8 Clamp Only), Alpha Centauri Phase-Dependent (8/8 Stable, Π = σₑdge/σcrit Control Parameter)

We present the Burdick Crag Mass (BCM) framework — a substrate wave model driven by supermassive black hole neutrino flux that classifies SPARC galaxies into three distinct substrate interaction states without dark matter. Using the 175-galaxy SPARC rotation curve dataset (Lelli et al. 2016), we identify a stable tripartite classification: Class I (Transport-Dominated, 9/31 massive bracket), Class II (Residual/Hysteresis, 7/31), and Class III (Ground State, 15/31). This classification remains stable under parameter perturbation, indicating a physical boundary in galactic substrate topology rather than a model artifact. The dark matter signal is reinterpreted as the neutrino maintenance budget of the spatial substrate, funded continuously by the central SMBH. A testable prediction is provided for IceCube/KM3NeT neutrino flavor ratio measurements at galactic edges. Version 1. 2 adds: The BCM Structural Override System (Classes IV-VI), extending the original three-class topology to six physically distinct substrate interaction states. New classes confirmed: Class IV (Declining Substrate — outer rim depletion), Class V-A (Ram Pressure — asymmetric lambda field), Class V-B (Substrate Theft — multi-body SMBH competition), Class VI (Barred Substrate Pipe — bar-channeled flux). Validation runs on three galaxies with the override system confirmed: NGC3953 Class VI delta flipped from -31. 3 to +11. 1 km/s (substrate wins) via bar dipole geometry and LINER throttle; NGC7793 Class V-B flipped to substrate win (+2. 2 km/s) via 2D HI Moment-0 morphology and void depletion; NGC2841 Class I control stable at +28. 4 km/s. Environmental depletion suppression gate confirmed for NGC2976 (substrate vacuum, Newton RMS 3. 7 km/s). 2D HI Moment-0 ingestion live for three THINGS galaxies. BCMSubstrateₒverrides. py and Genesis Renderer visualization methodology included. No per-object tuning parameters maintained throughout. Version 2. 1 adds: Complete solar system planetary substrate solver (all 8 planets). Resonance Hamiltonian H (m) = (cₛ - Omega*R/m) ² confirmed for Earth (m=1), Jupiter (m=1), Saturn (m=6), Uranus (m=2), Neptune (m=2). Mercury m=1 prediction documented for BepiColombo magnetometer target. Gap 7 (Uranus-Neptune Twin Paradox) identified and quantified — Lambda regime classifier implemented. Mixing Length Theory convective velocity added to all planetary parameters. Diamond rain convective pump identified as Uranus substrate mechanism. Version 3. 0 adds: Phase diagnostic framework with cosdeltaₚhi (phase alignment between substrate memory field and forcing field) and decouplingᵣatio (amplitude separation between observable and substrate). These two orthogonal axes distinguish coupled regimes (Class I, cosdeltaₚhi ~ 1. 0) from energy-depleted phase-locked states (Class V-B, phase coherent but structurally empty). Resolution mode boundary discovery: NGC2841 Class I resolution sweep (128/256/512 grid) reveals peak substrate expression at 256 grid; at 512, finer modes fragment the inner field — the mode boundary is itself a physical finding. Neptune/Uranus Q6/Q7 prime mode stability hypothesis: Neptune Q=6 (composite, energy radiates outward, explaining 2. 6x excess heat) versus Uranus Q=7 (prime, irreducible, energy contained internally, explaining thermal silence despite stronger B-field). Data-driven lambda: outerₛlope computed from rotation curve outer 20%, replacing fixed lambda=0. 1 with a physically motivated per-galaxy coupling that preserves the no per-object tuning principle. NGC0801 Class IV outerwinner divergence identified. Language precision: "No per-object tuning parameters" replaces "Zero free parameters" throughout — the global parameters (lambda=0. 1 baseline, kappa=2. 0, grid=256, layers=8) are universal, no per-galaxy tuning occurs. Version 4. 0 adds: Stellar tachocline extension with resonance Hamiltonian correction, 13-star combined arms registry, tachocline gate discovery, and publication-quality figures. The resonance Hamiltonian achieves 9/10 eigenmode matches across 13 stars spanning all six BCM galactic classes. Tachocline gate confirmed: fully convective stars lock to m=1 (3/3). EV Lacertae mode boundary at convdepth=0. 9. Betelgeuse m=3 confirmed as wave-to-convection transition. Scale invariance: lambdaₛtellar/lambdagalactic = 0. 977. Version 5. 0 adds: Theoretical framework for substrate exchange mechanics, moving BCM from empirical classification ("what") to mechanical definition ("how"). This version contains no new code or data — it is the theoretical extension implied by v1-v4 results, peer-reviewed across three independent AI engines (Claude, ChatGPT, Gemini). SUBSTRATE PRIMITIVES: Mass reinterpreted as x-bar (mean resonance state) in the 2D substrate. What 3D observers measure as mass is the integrated mean of all coupled mode patterns projected into observable space. Rate of exchange Rₑx = 1/m derived from the resonance Hamiltonian — higher modes exchange slower, m=1 is the broadband default. Opportunistic value set Vₒpp = {m: H (m) 1: substrate-dominated (Class I). eta ~ 1: coupled boundary (Class II). eta < 1: medium-dominated (Classes III-IV). This maps directly to BCM galactic classification and explains why the six classes work without dark matter — they describe coupling regimes, not mass distributions. BETELGEUSE tₛettle CALCULATION: Coupling efficiency eta = 0. 98% (convection 102x faster than substrate phase speed). Great Dimming recovery (~180 days) tracks convective overturn time (~41 days per cell). Post-event irregularity (~2 years) tracks substrate settle clock. Prediction: fully stable m=3 pattern returns circa 2030-2031 (~11. 5 years post-event = one substrate node settle time). NEUTRINO FLAVOR GRADIENT PIPELINE: Target Class IV galaxies for maximum substrate transition contrast. Stack IceCube/KM3NeT events by angular distance from galaxy center. Compare inner (coupled) vs outer (decoupled) flavor ratios. Null test on Class I galaxies. Uses existing public data — no new observations required. SUBSTRATE MODE SELECTION DEVICE (SMSD): 225 benchtop falsification test. Modified Taylor-Couette cell with galinstan (room-temperature liquid metal) in external magnetic field. Three configurations: Config B (solid body rotation, no tachocline — BCM predicts m=1 lock), Config A (differential rotation — BCM predicts discrete mode staircase m = round (Omega*R/cₛ) ), Config C (variable gap width — EV Lac boundary analog). Full bill of materials, engineering challenges addressed (Rm ~ 0. 3, sensor sensitivity, oxide skin, vibration artifacts, hydrodynamic contamination), and clean falsification criteria documented. Version 5. 0: RESEARCH LANDSCAPE: Five fields eliminated if BCM holds (WIMP/axion detection, NFW halo fitting, MOND variants, Lambda-CDM dark matter component, random instability stellar eruption models). Six fields opened (substrate field measurement, neutrino flavor gradient astronomy, tachocline gate biology, prime mode stability engineering, substrate exchange rate measurement, settle factor engineering). Version 6. 0: Substrate cavitation model — SMBH reinterpreted as pulsing pump with variable core spin and torque blowback creating alternating neutrino flux zones, analogous to cavitation in industrial fluid pump dynamics. Predicts inner loss / outer win pattern on massive galaxies where SMBH blowback scrambles inner substrate phase while outer torus stabilizes. Confirmed: NGC2841 Class I substrate RMS win (+28. 4 km/s over Newton) with negative inner shape correlation (-0. 466), consistent with core-region phase decoherence from SMBH blowback; NGC7793 Class V-B clean win (corr=0. 977) confirms smaller SMBH produces coherent substrate field across full profile using THINGS VLA HI Moment-0 morphology (Walter et al. 2008). cosdeltaₚhi phase instrument repurposed as cavitation onset diagnostic — phase alignment drops precede amplitude loss, detecting substrate decoherence before RMS degradation manifests. BCMₛtellarᵣenderer. py added for publication-quality visualization of tachocline coupling field, Alfvén Hamiltonian H (m) spectrum with resonance minimum identification, and galactic-planetary-stellar scale invariance table spanning 12 orders of magnitude. No per-object tuning parameters maintained throughout. Version 7. 0: Binary substrate bridge system — two stellar pumps on a shared wave grid producing coupled topology without gravitational potential input. Tidal Hamiltonian Hₜidal (m) = (vA + vₜidal - Omega*Rₜach/m) ² confirmed for HR₁099: standard Alfvén predicted m=12, tidal predicts m=2, observed m=2 — first stellar Class VI solved. vₜidal = Omegaₒrb * Rₜach / 2 derived from orbital period with no free parameters. Three binary systems implemented: Alpha Centauri A+B (Class I mode-matched, sep=23. 4 AU, e=0. 518), HR₁099/V711 Tau (Class VI tidally synchronized RS CVn, Pₒrb=2. 84d), Spica A+B (Class IV high-energy non-synchronous, Pₒrb=4. 014d, e=0. 13). All three produce coherent bridge: L1 cos (deltaₚhi) = +1. 000000, laminar (no vorticity). BCMₛtellarₒverrides. py (new) implements binary pair reg