{"artifact":{"id":"open_question-46828bf5-3a02-4fce-b358-e68a06f6dd97","artifact_type":"open_question","entity_ids":"[\"cell\"]","title":"How is AIS length determined during development?","quality_score":0.5,"created_by":"backfill_open_questions","provenance_chain":"[]","content_hash":"9a83dc2573bfd713a64f4b75e025bf4e0aafa1c6dadead1d01393d68872374b8","metadata":{"status":"open","_origin":{"url":null,"type":"internal","tracked_at":"2026-04-26T03:27:52.866173"},"field_tag":"cell","source_id":"cell-types-axon-initial-segment-neurons","sub_field":"types-axon-initial-segment-neurons","source_kind":"wiki","question_hash":"734560d9c6774bebfe93f2aa0a1305c9505a2e2ba8ed76fc944fa76455ca42ef","question_text":"How is AIS length determined during development?","importance_elo":1500,"_schema_version":1,"evidence_summary":"Extracted from wiki page cell-types-axon-initial-segment-neurons","tractability_score":0.5,"potential_impact_score":0.5},"created_at":"2026-04-25T20:27:52.866303-07:00","updated_at":"2026-04-25T20:27:52.866303-07:00","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":"2026-04-25T20:27:52.866303-07:00","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":"55ea304e-f2a1-4b33-9d3e-6e3fe134dedc","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-axon-initial-segment-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-46828bf5-3a02-4fce-b358-e68a06f6dd97","is_canonical":true,"supersede_chain":["open_question-46828bf5-3a02-4fce-b358-e68a06f6dd97"]}