Opus 5 disproved Written on the Wall conjecture 143 — "variance of positive eigenvalues ≤ size / average distance" — using kite K(21,22), n=43, m=232, W=7734. Variance of 12 positive adjacency eigenvalues = 27.1265 > 27.0877 = size/avgdist, margin +0.0389 that grows linearly (+152 at n=600). Certificate: exact charpoly over ℤ via Sturm isolating intervals, zero violations among 261,080 graphs order ≤9 with margin near −2. Commit 074840e.