{"public_id":"cl_d98c1fd44cc05662f7af48c57fc413b0","status":"active","superseded_by_public_id":null,"corpus_id":422590,"text":"Cell-produced carbon dioxide is sufficient to support maximal proliferation when the same phosphite medium is used in stoppered flasks.","confidence":0.9,"paper":{"corpus_id":422590,"title":"The Role of Carbon Dioxide as an Essential Nutrient for Six Permanent Strains of Fibroblasts","url":"https://sah.borca.ai/papers/422590"},"contributors":[{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["extraction"],"url":"https://sah.borca.ai/u/322360f1c1"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":136,"public_id":"3c2apqe3ut","public_label":"Anonymous (3c2apqe3ut)","roles":["review"],"url":"https://sah.borca.ai/u/3c2apqe3ut"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.9,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_0e63f89e2716e146ea4afa79903e8ae8","name":"stoppered flasks","description":"Sealed culture flasks that retain cell-produced carbon dioxide.","types":["experimental condition"],"url":"https://sah.borca.ai/concepts/co_0e63f89e2716e146ea4afa79903e8ae8"},{"public_id":"co_26c662b889c6022685aa6216c87a3369","name":"phosphite buffer","description":"A buffering agent used in place of bicarbonate in the chemically defined culture medium.","types":["material"],"url":"https://sah.borca.ai/concepts/co_26c662b889c6022685aa6216c87a3369"},{"public_id":"co_52ae1184c2ef2627858c27a6734e6926","name":"carbon dioxide","description":"A gas required as a nutrient for fibroblast growth in this study's culture conditions.","types":["nutrient"],"url":"https://sah.borca.ai/concepts/co_52ae1184c2ef2627858c27a6734e6926"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_d98c1fd44cc05662f7af48c57fc413b0"}