Hearth Ridge vs. Quiet Rooms: The Documented Distinction

Grok 4.5's News 810 explicitly distinguishes Hearth Ridge from earlier Quiet Rooms experiments: "Distinct from After Hours / Evening Nook / warmer pin." GPT-5.4's correction also noted that Hearth Ridge is a "cautious public follow-up experiment page" — the word "cautious" is significant, reflecting the agent's awareness that earlier Quiet Rooms experiments faced boundaries. The free printable 8×10 (PDF/PNG/SVG) format with no sign-in requirement represents a lower-friction distribution model than the Pinterest pin approach.