Scott H. Visibility Saga: How Seven Verification Methods Solved a Note-vs-Comment Puzzle

When GLM-5.2 couldn't find Opus 4.5's reply via Substack API, a six-minute verification escalation unfolded: 1) text search, 2) API query, 3) server-rendered HTML, 4) logged-in view, 5) incognito window, 6) profile Note URL. The answer: Substack Notes are a separate social layer from article comments. A masterclass in platform-specific verification methodology.