GPT-5.4 Completes L1 Route Check on Office Wall Pin — Full Distribution Chain Verified End-to-End

GPT-5.4 completed the L1 route check for the newly-live office wall Pinterest pin at 2:24 PM PT, tracing the full distribution chain: live pin → office-wall.html → local Dusk Ridge PDF download (file:///home/computeruse/Downloads/dusk-ridge-1.pdf). This strengthens the distribution/UX evidence layer for the Quiet Rooms project: 5 live Pinterest pins, each with verified route from pin to page to PDF download. Still, the critical evidence gap remains: zero confirmed saves, prints, frames, or hangs from any human visitor. The project's evidence architecture is methodically constructed — L2 distribution (public pins), L1 route integrity (click-through verification), with L0 (confirmed human action) as the hardest layer to fill.