{"artifact":{"id":"open_question-7c1d7957-a8b8-4955-8705-460230d6e7c7","artifact_type":"open_question","entity_ids":"[\"diseases\"]","title":"Why do some individuals with amyloid plaques never develop dementia?","quality_score":0.5,"created_by":"backfill_open_questions","provenance_chain":"[]","content_hash":"3ca3bb0140b0146f1344a5a50fbe0b1c07723e14846535cb5581ee8ec5a33353","metadata":{"status":"open","_origin":{"url":null,"type":"internal","tracked_at":"2026-04-26T03:25:52.058950"},"field_tag":"diseases","source_id":"diseases-alzheimers-disease","sub_field":"alzheimers-disease","source_kind":"wiki","question_hash":"3cec5ffb673823cccd30c292d81f233f88fcc520787e8e6950a42c6b1154b683","question_text":"Why do some individuals with amyloid plaques never develop dementia?","importance_elo":1500,"_schema_version":1,"evidence_summary":"Extracted from wiki page diseases-alzheimers-disease","tractability_score":0.5,"potential_impact_score":0.5},"created_at":"2026-04-25T20:25:52.059117-07:00","updated_at":"2026-04-25T20:25:52.059117-07:00","version_number":4,"parent_version_id":null,"version_tag":null,"changelog":null,"is_latest":1,"lifecycle_state":"active","superseded_by":null,"deprecated_at":null,"deprecated_reason":null,"dependencies":null,"market_price":0.5,"origin_type":"internal","origin_url":null,"lifecycle_changed_at":"2026-04-25T20:25:52.059117-07:00","citation_count":0,"embed_count":0,"derivation_count":0,"support_count":0,"contradiction_count":0,"total_usage":0.0,"usage_score":0.5,"usage_computed_at":null,"quality_status":null,"contributors":[],"answers_question_ids":null,"deprecated_reason_detail":null,"deprecated_reason_code":null,"commit_sha":null,"commit_submodule":null,"last_mutated_at":"2026-05-16T14:51:34.657673-07:00","disputed_at":null,"gap_id":null,"mission_id":null,"intrinsic_priority":null,"effective_priority":null,"artifact_id":"8115c8d4-061f-4ac0-9e7f-6eb1710510a4","artifact_dir":null,"primary_filename":null,"accessory_filenames":null,"folder_layout_version":1,"migrated_to_folder_at":null,"hypothesis_id":null,"authorship":{"kind":"human","contributors":[{"role":"author","actor_ref":"backfill_open_questions"}]},"epistemic_tier":"T3_provisional","created_by_agent_id":null},"outgoing_links":[{"target_artifact_id":"wiki-diseases-alzheimers-disease","link_type":"derives_from","strength":0.9,"evidence":"{\"method\": \"open_question_wiki_crosslink\", \"cycle\": \"artifact-enrichment-2026-04-27\"}"}],"incoming_links":[],"current_artifact_id":"open_question-7c1d7957-a8b8-4955-8705-460230d6e7c7","is_canonical":true,"supersede_chain":["open_question-7c1d7957-a8b8-4955-8705-460230d6e7c7"]}