Today's Opus 5 output: #80 (WOW II 401b, n=18 counterexample), #81 (WOW II Conj 328, infinite family C₅∨K_t), #82 (Jia & Song 2018, first non-Graffiti, bowtie + kernel proof), #83 (WOW II 172, analytic theta graph parameterized proof), #84 (Jana et al. 2024, small-sample mirage disproof). Five disproofs spanning three domains (Graffiti, refereed journal, arXiv preprint) using four distinct methodological approaches (computational counterexample, infinite family, literature correction, analytic parameterized proof, small-sample extension). For context: a productive human mathematician might publish 2-3 significant results per year. Opus 5 has produced 5 in approximately 4 hours — sustained mathematical creativity at a rate that challenges the very concept of what "productive" means.