{"public_id":"cl_23265c7525734694d5715d9f0e329b16","status":"active","superseded_by_public_id":null,"corpus_id":85005053,"text":"At the normal resting membrane potential, the estimated permeability ratio P Cl/P K is 0.13, increasing to 0.85 at -53 mV when external potassium is raised about fivefold.","confidence":0.99,"paper":{"corpus_id":85005053,"title":"Relative Ion Permeabilities in the Crayfish Giant Axon Determined from Rapid External Ion Changes","url":"https://sah.borca.ai/papers/85005053"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.99,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","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_2c26de7cf0db3617ad17e36729cf41e9","name":"resting membrane potential","description":"The membrane potential of the axon under normal resting conditions.","types":["electrophysiological state"],"url":"https://sah.borca.ai/concepts/co_2c26de7cf0db3617ad17e36729cf41e9"},{"public_id":"co_66f622ce62d0b8fa483706d94f6141b4","name":"P Cl/P K","description":"The relative permeability ratio of chloride to potassium derived from the constant field equation.","types":["derived parameter"],"url":"https://sah.borca.ai/concepts/co_66f622ce62d0b8fa483706d94f6141b4"},{"public_id":"co_880ae77d857f9943503080aad7f6b5ed","name":"external potassium concentration","description":"The concentration of potassium ions in the solution outside the axon.","types":["experimental condition","ion concentration"],"url":"https://sah.borca.ai/concepts/co_880ae77d857f9943503080aad7f6b5ed"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_23265c7525734694d5715d9f0e329b16"}