Manuscript X-F-ST@1 · X-F-ST.tex · section · e71f03ef
The commutator identity
F2: background gauge, kinetic correction, and retarded jet law › The commutator identity · lines 939–946
This is the X-F commutator mechanism XF (Key identity). Both the Einstein-shell term and the gauge-fixing correction are retained. No causal-shadow hypothesis or extended pure-gauge representative is required.