V.R217 — A falsifiable prediction

The tensor-to-scalar ratio prediction r ~ iota_tau^4 ~ 0.014 is specific and falsifiable. It lies below the current BICEP/Keck bound r < 0.036 and within reach of LiteBIRD and CMB-S4. Tension arises if r > 0.05 or r < 0.001 is measured.