s695.py

from research import *
s=begin(695,'Generate the anchored1470 carrier ladder','Does one civil1470 step recover every supplied node and its five-year companion?',{'source':['4346BC','2876BC','1406BC','AD65'],'translation_forward':5},['Supplement A §§9.1–9.7'])
native=[1-4346,1-2876,1-1406,65]; translated=[x+5 for x in native]; gaps=[native[i+1]-native[i] for i in range(3)]
finish(s,{'native_civil_coordinates':native,'translated_civil_coordinates':translated,'translated_labels':['4341BC','2871BC','1401BC','AD70'],'gaps':gaps},'One1470-step civil ladder yields4346→2876→1406→AD65. Uniform translation by five years yields the companion4341→2871→1401→AD70. The Enoch close2876 and Long center2871 occupy different roles despite the whole-path relation.','Test the source’s directional paired-Key convergence as a complete four-row family.',{'gaps':gaps==[1470]*3,'translated':translated==[1-4341,1-2871,1-1401,70],'preserved':[translated[i+1]-translated[i] for i in range(3)]==gaps})