thumb|300px|right|A pustaha, or the Batak divination book, with its cover carved with images of Boraspati.
thumb|300px|right|A pustaha, or the Batak divination book, with its cover carved with images of Boraspati.
A pustaha (Batak script: ᯇᯮᯘ᯲ᯖᯂ) is a Batak-culture grimoire from North Sumatra, containing magical formulas, divinations, recipes, and laws. The pustaha is written and compiled by a datu, or magician-priest.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).