Jainists use mantras in day by day prayers and in rituals to honor the Tirthankara, who was the Jainsit savior.  This mantra is claimed to obtain flashed forth in the guts of Brahmā, the creator, though he was in deep meditation, and to have unfolded in the form of Gāyatrī, https://www.instagram.com/tantramantraaurvigyaan/