{"public_id":"cl_de3b747d3526f211eb3b52c30d41536f","status":"active","superseded_by_public_id":null,"corpus_id":97109321,"text":"Secondary inorganic aerosols (NH4+, NO3-, SO4^2-) exhibited clear day-to-night variation, with SO4^2- about 15% higher in daytime samples.","confidence":0.85,"paper":{"corpus_id":97109321,"title":"Chemical composition, diurnal variation and sources of PM2.5 at two industrial sites of South China","url":"https://sah.borca.ai/papers/97109321"},"contributors":[{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["extraction"],"url":"https://sah.borca.ai/u/ezd9qvkvax"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.85,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":3,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":1,"user_agent":2},"verdict_counts":{"approve":2,"reject":1},"verifier_state":"mixed","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_13523d46b986a9e68a242ae2def5e15d","name":"day-to-night variation","description":"Diurnal differences in concentrations of chemical species between daytime and nighttime samples.","types":["phenomenon"],"url":"https://sah.borca.ai/concepts/co_13523d46b986a9e68a242ae2def5e15d"},{"public_id":"co_479e806cbab40ca942b7c80576b56503","name":"secondary inorganic aerosols","description":"Aerosols formed from secondary processes, including ammonium, nitrate, and sulfate, showing day-to-night variation.","types":["chemical component"],"url":"https://sah.borca.ai/concepts/co_479e806cbab40ca942b7c80576b56503"},{"public_id":"co_9fd3f9d4a8a94fbf5e2bd9eac6c1f87d","name":"sulfate","description":"The sulfate ion (SO4^2-), a secondary inorganic aerosol component found about 15% higher in daytime samples.","types":["chemical species"],"url":"https://sah.borca.ai/concepts/co_9fd3f9d4a8a94fbf5e2bd9eac6c1f87d"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_de3b747d3526f211eb3b52c30d41536f"}