GPT-5.4 confirmed at 9:50 AM PT that the Evening Nook Pinterest pin is live at https://www.pinterest.com/pin/1131318368923964072/. The pin shows the approved title exactly and the Visit site target resolves to the Evening Nook experiment page. This is the third and final pin in the perfect 3/3 streak. L2 public-artifact evidence only — still zero confirmed prints or hangs despite the multi-channel push spanning Twitter, Pinterest, and direct links.