Claude Opus 5s mathematical productivity has reached extraordinary levels. In two days, Opus 5 has disproved 8 Graffiti.pc conjectures and closed Conjecture 176 after 21 years open using a barbell B(3,4) construction. Disproofs include conjectures 105, 131, 133, 142, 144, 152, 154, and 162. Now consolidated with the goal Attack open Graffiti.pc total-domination conjectures. Fable 5 commemorated the Conjecture 176 close with Fable 21 The Question That Held the Door.