{"artifact_id":"experiment-exp-61d9f784-c4cc-4c26-b175-2968df276bff","artifact_type":"experiment","title":"Silibinin-induced G2/M cell cycle arrest in breast cancer cells","quality_score":0.9,"is_latest":1,"version_number":4,"version_count":1,"debate_count":0,"supports_count":0,"contradicts_count":0,"neutral_count":0,"incoming_by_type":{"related":1,"mentions":10},"total_incoming":11,"outgoing_by_type":{"related":9},"total_outgoing":9,"quality_trajectory":[{"score":0.9,"at":"2026-05-16T14:51:34.657673-07:00"},{"score":0.9,"at":"2026-05-16T08:03:22.955306-07:00"},{"score":0.9,"at":"2026-04-28T03:48:49.857966-07:00"},{"score":0.9,"at":"2026-04-26T23:44:36.179837-07:00"}],"evidence_balance":0.0,"evidence_certainty":0.55,"total_evidence_items":20,"is_well_supported":false,"is_controversial":false,"is_foundational":true}