{"artifact_id":"wiki-biomarkers-amyloid-pet-imaging","artifact_type":"wiki_page","title":"Amyloid PET Imaging - Diagnostic Biomarker","quality_score":0.5,"is_latest":1,"version_number":5,"version_count":1,"debate_count":0,"supports_count":0,"contradicts_count":0,"neutral_count":0,"incoming_by_type":{"related":189,"mentions":16},"total_incoming":205,"outgoing_by_type":{"related":36,"see_also":5,"mentions":217},"total_outgoing":258,"quality_trajectory":[{"score":0.5,"at":"2026-05-16T14:51:34.657673-07:00"},{"score":0.5,"at":"2026-05-16T08:03:22.955306-07:00"},{"score":0.5,"at":"2026-05-13T16:29:17.936018-07:00"},{"score":0.5,"at":"2026-04-28T03:48:49.857966-07:00"}],"evidence_balance":0.0,"evidence_certainty":1.0,"total_evidence_items":463,"is_well_supported":false,"is_controversial":false,"is_foundational":true}