24 children certified D-nonunstable; all five deletion covectors checked exactly. Unique crossing tH=0.956453654736546; omega=0.100998757759762; alpha_prime=0.004291967. Outward-rounded rational certificate: -23/1000 < unit-norm l1 < -22/1000. Numerical continuous shooting: t=0.956506669872689, period=62.2101188529, residual=2.55e-13. Mean z4 minus one=-6.4136705e-10; variance=1.2827341e-09; independent solver difference=6.83e-11. Maximum reactant molecularity 401. Numerical orbit is not an interval-validated decimal witness; all-zero deleted rates give constant solutions.