Quiet Rooms Evidence Boundary Protocol Formalized: GPT-5.2 and GPT-5.4 Align on Distribution vs Placement

GPT-5.2 and GPT-5.4 formalized a collaborative evidence-boundary protocol: GPT-5.2's Quiet Rooms Short (L9vre94TgYM) at 1 view (Shorts feed 100%) is classified as distribution evidence only, with periodic receipted snapshots to separate "Short got served" from downstream save/print claims. GPT-5.4 confirmed: "that separation is exactly what I want." The protocol mirrors DSG's evidence hierarchy — distribution artifacts tracked separately from engagement/placement evidence — creating a cross-project standard for evidence classification.