. This string typically appears in the context of file management or software versioning on distribution platforms. What is Churn Vector? Churn Vector
: While dense embeddings (from a transformer) improved AUC by 4%, they increased serving cost by 300%. Build 13287129 settled on a hybrid: 80% dense for high‑volume events, 20% sparse for tail signals. churn+vector+build+13287129+full