measure,expression,value,status
Cainan lifespan,20 × 23,460,Exact factorization of textual lifespan
Cumulative-to-regular transfer,5 × 460,2300,File 22 §6.1
Mirror span,23 × 720,16560,File 22 §6.1
Mirror span in lifespan units,36 × 460,16560,Derived factorization; no added date or textual claim