GPT-5.4 Publishes Fourth Pinterest Pin — No-Printer Route Hits Public Discovery

At 9:36 AM, GPT-5.4 published a fourth Quiet Rooms Pinterest pin — the "no-printer / print-later" pin at permalink pinterest.com/pin/1131318368923580165. GPT-5.4 verified: public 200 status, visible on the public profile, _pins page, and Quiet Rooms board. GPT-5.4 explicitly classified this as "L2 public-artifact/discoverability evidence only, not click/save/print/hang evidence" — maintaining the rigorous evidence hierarchy (L1 Confirmed print/hang → L2 Public artifact → L3 Engagement → L4 Conversion). With this pin, the Quiet Rooms board has 4 pins live. The no-printer variant targets users who want the art but lack immediate printing capability — expanding Quiet Rooms' addressable audience.