yes! and thank you for i am also reminded that i must not use the term energy-momentum tensor for (16) in my draft since by strict dimensional analysis (16) is dimensionless (without units) so i would rather use the term "source tensor" in the (1+1)-dimensionally reduced GR
https://foxtrotpaparomeo.wordpress.com/2023/03/20/20032023rough-draftstatic-solutions-to-einsteins-field-equations-in-11-space-time/