Common acceleration preserved through native propagation

All 24 native identities pass, covering every physical model/processing case and tangent, packet-boundary, broad-calibration and independent stationary controls. All 162 tangent-column comparisons pass. The largest native center discrepancy is about 9.2 nanometres; this is numerical agreement, not measured aircraft accuracy.

The candidate retains the original 27 physical directions and 15 common-error coordinates. Its relative-attitude factors preserve small departures from the unknown initial mounting orientation. A separate exact-motion control verifies the constant-acceleration/time polynomial with nonzero lever offset, without narrowing its declared physical domain. Per-axis bounds prevent uncertainty on one axis being needlessly copied onto the others.

The finite study spent its 78 native evaluations and preserved every bound and Jacobian. Whole-program floating-point enclosure is still unqualified. Next qualify the 42-column joint interface, then repeat the complete matched orientation-cover comparison to measure whether the new calculation is useful. Native correctness does not establish narrow prediction intervals or calibrated aircraft coverage. No original recordings or protected ESA outcomes were read.

Sealed results · Frozen scope · Native construction · Roadmap.