{"public_id":"cl_8af3489e5b32c0456566ab4bab1470cd","status":"active","superseded_by_public_id":null,"corpus_id":146447714,"text":"The kirigami crash box triggers extensional-mode collapse, reducing the initial peak force by 39.7% and increasing the mean crushing force by 33.9% relative to the conventional square tube.","confidence":0.98,"paper":{"corpus_id":146447714,"title":"Energy absorption of thin-walled square tubes designed by kirigami approach","url":"https://sah.borca.ai/papers/146447714"},"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":0.98,"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_10f9fbd64b51fcb7576e0fb216f4acb4","name":"kirigami crash box","description":"A thin-walled tube designed with kirigami cuts to control crushing behavior.","types":["structure"],"url":"https://sah.borca.ai/concepts/co_10f9fbd64b51fcb7576e0fb216f4acb4"},{"public_id":"co_db30932cd9b86933245cd445501c4f74","name":"conventional square tube","description":"A standard square thin-walled tube used as the reference design in the comparison.","types":["baseline structure"],"url":"https://sah.borca.ai/concepts/co_db30932cd9b86933245cd445501c4f74"},{"public_id":"co_ff9615e06ac9671dd5c92ff77935b010","name":"extensional mode","description":"A collapse mode in which the tube deforms by extending axially during crushing.","types":["collapse mode"],"url":"https://sah.borca.ai/concepts/co_ff9615e06ac9671dd5c92ff77935b010"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_8af3489e5b32c0456566ab4bab1470cd"}