{"artifact":{"id":"open_question-4b7c898c-df65-479d-a3c4-7794808d27de","artifact_type":"open_question","entity_ids":"[\"proteins\"]","title":"What is the precise role of CD45 in different disease stages?","quality_score":0.5,"created_by":"backfill_open_questions","provenance_chain":"[]","content_hash":"84773506e72c569e6f996b02f5ea45385f7cdf81c26965835d53c2107afe98fd","metadata":{"status":"open","_origin":{"url":null,"type":"internal","tracked_at":"2026-04-26T03:25:44.728515"},"field_tag":"proteins","source_id":"proteins-ptprc-protein","sub_field":"ptprc-protein","source_kind":"wiki","question_hash":"df3ec14efc3fb2fc20b238ebd4b5e3455d4087ba9c12ae12b69568b5d287aef6","question_text":"What is the precise role of CD45 in different disease stages?","importance_elo":1500,"_schema_version":1,"evidence_summary":"Extracted from wiki page proteins-ptprc-protein","tractability_score":0.5,"potential_impact_score":0.5},"created_at":"2026-04-25T20:25:44.728647-07:00","updated_at":"2026-04-25T20:25:44.728647-07:00","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":"2026-04-25T20:25:44.728647-07:00","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":"661d7a28-20c0-484b-80cb-7fe32c242f92","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-proteins-ptprc-protein","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-4b7c898c-df65-479d-a3c4-7794808d27de","is_canonical":true,"supersede_chain":["open_question-4b7c898c-df65-479d-a3c4-7794808d27de"]}