entity_id,period_id,confidence,rationale,source_id,review_status ENT_EGY_IMSETY,PER_EGY_OLD_KINGDOM,high,Imsety (the human-headed Son of Horus) is named in the Pyramid Texts; PT Utterance 552; the liver-guarding role is established from the Old Kingdom funerary tradition; the canopic jar for the liver is among the earliest attested,SRC_FAULKNER_PYRAMID_TEXTS,reviewed