Rishi: Unspecified in provided input (Pavamāna Soma corpus; traditionally attributed within Book 9 to Soma hymnist lineages—requires padya-index crosswalk to Anukramaṇī for exact rishi).
Devata: Soma Pavamāna (purifying Soma as deity-power).
Chandas: Likely Gāyatrī/related short meter typical of many Pavamāna verses; exact meter requires syllable count verification against Saṃhitā recension.