entity_id,source_id,evidence_type,source_note
ENT_HYDROS,SRC_DAMASCIUS_PRINCIPLES,direct attestation,"Damascius, De Principiis 123: Hydros (Water), with Mud, the first principle of the Orphic Rhapsodic theogony."
ENT_HYDROS,SRC_THEOI_GODS,index attestation,Literary attestation in classical/mythographic tradition; cult evidence varies by entity.
ENT_HYDROS,SRC_THEOI_HOME,index attestation,"Attested in Theoi Project index (Greek gods, spirits, heroes in classical literature)."