{"artifact_id":"analysis-SDA-2026-04-03-gap-tau-prop-20260402003221","artifact_type":"analysis","title":"Tau propagation mechanisms and therapeutic interception points","quality_score":0.5,"is_latest":1,"version_number":1,"version_count":1,"debate_count":0,"supports_count":0,"contradicts_count":0,"neutral_count":0,"incoming_by_type":{"related":11,"mentions":26},"total_incoming":37,"outgoing_by_type":{"related":4},"total_outgoing":4,"quality_trajectory":[],"evidence_balance":0.0,"evidence_certainty":1.0,"total_evidence_items":41,"is_well_supported":false,"is_controversial":false,"is_foundational":false}