Some Buddhist scholars, however, argue that the mantra as practiced in Tibetan Buddhism was based on the Sadhanamala, a collection of sadhana published in the 12th century.
Nogle buddhistiske lærde hævder dog at mantraet, som det praktiseres i tibetansk buddhisme, var baseret på Sadhanamalaen, en samling af sadhana udgivet i den 12. århundrede.