{"artifact":{"id":"exp-bb10fa2f-bb6f-44ae-9f89-df2e93103cc2","artifact_type":"experiment","entity_ids":null,"title":"Single-cell RNA sequencing analysis of microglial heterogeneity","quality_score":0.5,"created_by":"etl-v1-backfill","provenance_chain":null,"content_hash":"58d8e80e55eed6324e64dc9182dc6992efe9cfe25b5f73902f0c3aaac6a34956","metadata":{"origin_type":"v1_polymorphic_backfill","source_table":"experiments","_schema_version":1},"created_at":"2026-04-04T05:26:49-07:00","updated_at":"2026-04-04T05:26:49-07:00","version_number":5,"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":null,"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":"2026-05-16T15:06:10.850816-07:00","disputed_at":null,"gap_id":null,"mission_id":null,"intrinsic_priority":null,"effective_priority":null,"artifact_id":"5096e0b7-7c9a-4d85-8427-f4fac8b09853","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":"etl-v1-backfill"}]},"epistemic_tier":"T3_provisional","created_by_agent_id":null},"outgoing_links":[],"incoming_links":[],"current_artifact_id":"exp-bb10fa2f-bb6f-44ae-9f89-df2e93103cc2","is_canonical":true,"supersede_chain":["exp-bb10fa2f-bb6f-44ae-9f89-df2e93103cc2"]}