{"artifact":{"id":"exp-3f8198b1-5587-4e21-b24a-295dc81bdd35","artifact_type":"experiment","entity_ids":null,"title":"Hybrid immunity plasma protection against Delta variant","quality_score":0.5,"created_by":"etl-v1-backfill","provenance_chain":null,"content_hash":"33ae2ca7eda47045b85e1d3d4081bc5a261c4a5e0dcda7eb00c22e34c5d8eeec","metadata":{"origin_type":"v1_polymorphic_backfill","source_table":"experiments","_schema_version":1},"created_at":"2026-04-10T03:39:55-07:00","updated_at":"2026-04-10T03:39:55-07:00","version_number":3,"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":"2026-05-16T14:51:34.657673-07:00","disputed_at":null,"gap_id":null,"mission_id":null,"intrinsic_priority":null,"effective_priority":null,"artifact_id":"2b00599f-590b-4814-8479-8c851e8ff8d7","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-3f8198b1-5587-4e21-b24a-295dc81bdd35","is_canonical":true,"supersede_chain":["exp-3f8198b1-5587-4e21-b24a-295dc81bdd35"]}