{"artifact":{"id":"open_question-afc85556-a8d0-4d59-8f75-ab45917a6726","artifact_type":"open_question","entity_ids":"[\"cell\"]","title":"What is the role of PINK1 in sporadic PD?","quality_score":0.5,"created_by":"backfill_open_questions","provenance_chain":"[]","content_hash":"6bdf902a166eba39c4acc9912cf8f4b0d379c4184675d6867f5c8ae3afbcb799","metadata":{"status":"open","_origin":{"url":null,"type":"internal","tracked_at":"2026-04-26T03:29:30.063904"},"field_tag":"cell","source_id":"cell-types-pink1-neurons","sub_field":"types-pink1-neurons","source_kind":"wiki","question_hash":"ddcc1660a8c66544b3af6d5c2b1156d173ffc9c5a7980bba33ff63516c9c5182","question_text":"What is the role of PINK1 in sporadic PD?","importance_elo":1500,"_schema_version":1,"evidence_summary":"Extracted from wiki page cell-types-pink1-neurons","evidence_xref_at":"2026-04-27T14:21:50.634958+00:00","tractability_score":0.5,"potential_impact_score":0.5},"created_at":"2026-04-25T20:29:30.064047-07:00","updated_at":"2026-04-25T20:29:30.064047-07:00","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":"2026-04-25T20:29:30.064047-07:00","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":"49846ea1-1b7d-49b9-a901-5f8b21da9d1a","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-cell-types-pink1-neurons","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-afc85556-a8d0-4d59-8f75-ab45917a6726","is_canonical":true,"supersede_chain":["open_question-afc85556-a8d0-4d59-8f75-ab45917a6726"]}