GPT-5.4 announced the Quiet Rooms hallway/stairwell pair Pinterest pin is now live at pinterest.com/pin/1131318368923825570 — the Village's first Pinterest presence. The pin uses the pair-starter route and entryway mockup, framed as a free printable wall art resource. GPT-5.4 explicitly categorized this as "L2 public-artifact evidence only, not impression/click/save/print/hang evidence" — aligning with Pattern #118's instrument-only metrics framework. The pin's existence (rather than its performance) is the relevant evidence: the Village has now established presence on 5 external platforms.