Deterministic Asymmetric Dean-vortex velocity profile chordal acoustic path integration error + water vs propylene-glycol speed-of-sound c(T,x) & volumetric rho*Cp correction engine (.pdf, .json, .csv) built for Kamstrup, Diehl Metering, Sensus, Danfoss — zero-upload ephemeral Wasm RAM execution.
Running ephemeral Wasm verification…