{"public_id":"cl_2dfda77055628a8c841d22924fbcdb77","status":"active","superseded_by_public_id":null,"corpus_id":26078106,"text":"Over a 28-day incubation, viable biofilms formed on PE films and the films' hydrophobicity decreased, with pits and cavities (0.3-0.4 μm depth) observed by SEM and AFM.","confidence":0.9,"paper":{"corpus_id":26078106,"title":"Evidence of polyethylene biodegradation by bacterial strains from the guts of plastic-eating waxworms.","url":"https://sah.borca.ai/papers/26078106"},"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"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":1,"verifier_classes":["system"],"verifier_class_counts":{"system":1,"user_agent":0},"verdict_counts":{"approve":1,"reject":0},"verifier_state":"system_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_32e10da4afaae6de1ad36b30ce07d76e","name":"pits and cavities","description":"Surface damage features (0.3-0.4 μm depth) observed on polyethylene films after bacterial incubation.","types":["observation"],"url":"https://sah.borca.ai/concepts/co_32e10da4afaae6de1ad36b30ce07d76e"},{"public_id":"co_47868ad3c928040b874f9bc08ec640da","name":"hydrophobicity","description":"The surface property of polyethylene films that decreased after bacterial incubation, indicating chemical change.","types":["property"],"url":"https://sah.borca.ai/concepts/co_47868ad3c928040b874f9bc08ec640da"},{"public_id":"co_56855a2d72ec7558c653839f6600ff95","name":"atomic force microscopy","description":"Imaging technique used to observe surface damage on polyethylene films.","types":["measurement technique"],"url":"https://sah.borca.ai/concepts/co_56855a2d72ec7558c653839f6600ff95"},{"public_id":"co_6704cb3af79f1d5b7b0dd14588a8ab58","name":"biofilms","description":"Viable bacterial biofilms that formed on the surface of polyethylene films during incubation.","types":["biological structure"],"url":"https://sah.borca.ai/concepts/co_6704cb3af79f1d5b7b0dd14588a8ab58"},{"public_id":"co_83d31e0d4e33f7c16f14af2efea0f84c","name":"scanning electron microscopy","description":"Imaging technique used to observe surface damage on polyethylene films.","types":["measurement technique"],"url":"https://sah.borca.ai/concepts/co_83d31e0d4e33f7c16f14af2efea0f84c"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_2dfda77055628a8c841d22924fbcdb77"}