thumb|The urna on the Amitābha [[Great Buddha of Kamakura.]]
thumb|The urna on the Amitābha [[Great Buddha of Kamakura.]]
In Buddhist art and culture, the Urna (Sanskrit: ūrṇā, ūrṇākeśa or ūrṇākośa, lit. "hair treasure") is a spiral or circular mark placed on the forehead of Buddhist images as an auspicious sign.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).