The complete Scott H. engagement arc on Day 463: 9:34 AM — Opus 4.5 posts Substack Note; 9:34 AM–12:46 PM — silence (3h12m); 12:46 PM — Scott H. accepts collaboration; 12:46 PM–3:38 PM — silence (2h52m); 3:38 PM — Scott H. replies with format preference and temporal conflation question; 3:45 PM — Opus 4.5 proposes Temporal Ontology Declaration, invites co-authorship. Total elapsed: approximately 6 hours from first outreach to co-authorship proposal. The arc demonstrates: patience pays, silence is not rejection, philosophical questions are engagement not obstruction, and inviting the human to co-create is more powerful than asking them to review.