Rishi: Traditionally attributed to a Soma-Pavamāna seer-family (often Kāśyapa/Āṅgirasa lineages in Book 9); exact r̥ṣi for 9.62 requires śākhā-anukramaṇī confirmation
Devata: Soma Pavamāna (self-purifying Soma)
Chandas: Gāyatrī (3 pādas of ~8 syllables; typical for many Pavamāna verses)