s1261.py

from research import *
s=begin(1261,'Explain the950 plus-or-minus300 presentation','What additional source content does the sum-and-difference display contribute?',{},['C1254','C1260','Strategy §4.2'])
heads=[1250,650];mid=F(sum(heads),2);half=F(heads[0]-heads[1],2);d=json.loads((ROOT/'model/complete_source_row_packet.json').read_text());noah=next(r for r in d['MT'] if r['name']=='Noah')['L_ledger']
a=artifact('model/regular_kernel_sum_difference_scope.json',json.dumps(clean({'heads':heads,'derived_midpoint':mid,'derived_halfwidth':half,'u_form':['19u/2','3u'],'separate_Noah_life':noah,'comparison':'Thederivedmidpoint equals thesuppliedNoahlife950.','dependency':'950±300 isanalgebraicre-expression ofthepair; namingNoahadds asourcerole, notanother independentderivation ofthepair oritsrowplacements.'}),indent=2)+'\n')
finish(s,{'sum_difference':a,'midpoint':mid,'halfwidth':half},'The sameheadpair is950±300, with midpoint19u/2 andhalfwidth3u. Its equality toNoah’s950-year life is a source-role comparison; rewriting thepair thisway does not explain or replace thelocatedcenturychanges.','Integrate thecurrentSP countingmechanism into thekernel comparisonwithoutforcing itintotheLXX formula.',{'mid950':mid==noah==950,'half300':half==300,'reconstruct':[mid+half,mid-half]==heads})