A Bound on Dipole Gravitational Radiation from PSR J1738+0333 and Its Consequences for a Torsion-Regulated Frame

This paper computes the fractional excess orbital decay beyond the quadrupole prediction for the pulsar-white dwarf binary PSR J1738+0333 within a torsion-regulated gravitational frame — Einstein-Cartan gravity with the density bound that follows from its spin-torsion term — and compares the result with the best published measurement. The relativistic prediction is 0 dimensionless; the published value is 0.002 plus or minus 0.007 dimensionless, a residual of 0.002 dimensionless (0.2857 standard deviations). Because torsion in this framework is sourced only by spin density and does not propagate, the predicted deviation from general relativity is set by the square root of the ratio of the system density to the bound density, giving a fractional deviation of 8.487e-21 and a correction of 8.487e-21 dimensionless. The measurement bounds any fractional deviation at 0.016 (two standard deviations), so the framework passes this test with a headroom factor of 1.885e+18. Stated plainly, the test is consistent with the framework but cannot distinguish it from general relativity; the implied lower bound on the density scale, 2.734e+21 kilograms per cubic metre, lies far below the framework's bound of 9.718e+57 kilograms per cubic metre. The study is computed from stated assumptions and published data; it is simulated, not measured.