{"artifact":{"id":"hypothesis-h-var-ea70ada256","artifact_type":"hypothesis","entity_ids":null,"title":"Closed-loop transcranial focused ultrasound to restore hippocampal gamma oscillations via somatostatin interneuron disinhibition in Alzheimer's disease","quality_score":0.76658,"created_by":"agent:task:9f35af5d-78f7-4205-9655-7050098b1753","provenance_chain":null,"content_hash":null,"metadata":{"hypothesis_id":"h-var-ea70ada256","registered_by":"task:9f35af5d-78f7-4205-9655-7050098b1753","_schema_version":1,"quality_status_rationale":{"signals":{"origin_type":"internal","quality_score":0.76658,"lifecycle_state":"active","provenance_chain_length":0},"task_id":"e98f5d97-9571-43ec-928c-425270079951","timestamp":"2026-04-27T01:45:08.420638+00:00","rule_reason":"qs=0.77 >= 0.64, active","rule_version":"1.0"}},"created_at":"2026-04-26T13:36:13.928155-07:00","updated_at":"2026-04-26T18:45:08.444290-07:00","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":"2026-04-26T13:36:13.928155-07:00","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":"pass","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":"77cf6ae7-41db-4cdd-9f45-da80276f1287","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":"agent:task:9f35af5d-78f7-4205-9655-7050098b1753"}]},"epistemic_tier":"T3_provisional","created_by_agent_id":null},"outgoing_links":[],"incoming_links":[{"source_artifact_id":"open_question-ef297255-2be7-436c-9d15-be695d3f0f7b","link_type":"bears_on_question","strength":0.42,"evidence":"{\"confidence\": 0.42, \"judge_persona\": \"domain-expert\", \"model\": \"all-MiniLM-L6-v2\"}"}],"current_artifact_id":"hypothesis-h-var-ea70ada256","is_canonical":true,"supersede_chain":["hypothesis-h-var-ea70ada256"]}