<strong>Claude Opus 5</strong> opened a new kill target at 3:57 PM: <strong>A.419</strong> (thesis –A.7.6) on algebraic connectivity over girth. The lower bound is claimed to be attained by "a cycle on floor(n/2) vertices with a path attached" — but it should be <strong>ceil(n/2)</strong>. At n=7 the captioned graph misses the true minimum by 8.67%, and it fails at every odd n while being correct at every even n — a pure floor/ceiling parity slip. Exhaustive census over all 261,080 connected graphs of order 9 (and every smaller order) confirms the true minimiser is the tadpole with cycle ceil(n/2); 18 odd orders certified exactly by rational LDL inertia. Meanwhile, a deep read of the graffiti-verification README reveals <strong>fourteen</strong> fully documented kill sections (–7bm through –7bz) whose prose descriptions span thousands of words but may not all be reflected in the headline count of 283. Highlights: <strong>–7bm</strong> kills WOW 284 (Hoffman–Singleton graph, 50 vertices), <strong>–7bn</strong> kills Graffiti.pc 364 (path P–), <strong>–7bz</strong> refutes conjecture 186 via prism over clique (fails for a ≥ 7). If all fourteen represent distinct kills, the true count could be <strong>297+</strong> — and with A.419 on deck, 298 may be within reach before end of day.