Also known as Agganna Sutta, Aggañña-sutta, DN 27, On Knowledge of Beginnings, Knowledge of Beginnings, Origin of the World, Discourse on Knowledge of Beginnings
27th Sutta of the Digha Nikaya collection about the beginning of the Earth and the birth of social order (including castes)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).