{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:KGCLQYXROFYA7C4GA5TSJBEH2A","short_pith_number":"pith:KGCLQYXR","schema_version":"1.0","canonical_sha256":"5184b862f171700f8b860767248487d01f44f48fd96243a61783b9f3ca9a609b","source":{"kind":"arxiv","id":"1101.0484","version":1},"attestation_state":"computed","paper":{"title":"Mechanical model of the ultra-fast underwater trap of Utricularia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.QM"],"primary_cat":"physics.bio-ph","authors_text":"Marc Joyeux, Olivier Vincent, Philippe Marmottant","submitted_at":"2011-01-03T10:37:30Z","abstract_excerpt":"The underwater traps of the carnivorous plants of the Utricularia species catch their preys through the repetition of an \"active slow deflation / passive fast suction\" sequence. In this paper, we propose a mechanical model that describes both phases and strongly supports the hypothesis that the trap door acts as a flexible valve that buckles under the combined effects of pressure forces and the mechanical stimulation of trigger hairs, and not as a panel articulated on hinges. This model combines two different approaches, namely (i) the description of thin membranes as triangle meshes with stra"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1101.0484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2011-01-03T10:37:30Z","cross_cats_sorted":["q-bio.QM"],"title_canon_sha256":"d356017863b86d5c438b1338236a72f208f896eb669ee03b5ba2c5255fec4fd7","abstract_canon_sha256":"6db9c2d9c9e14e9a7ac122ddf7b4549550306525d489795fc88c01d5b70f1e0a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:19.690993Z","signature_b64":"HE2KtO4fM/Qe0Z/+TnQWrwyREioyWt47AICbMDii/+nOU9FLzQmoS5/E5tqladyX7v1NBXO3d37OrPagnXKnBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5184b862f171700f8b860767248487d01f44f48fd96243a61783b9f3ca9a609b","last_reissued_at":"2026-05-18T04:28:19.690517Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:19.690517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mechanical model of the ultra-fast underwater trap of Utricularia","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.QM"],"primary_cat":"physics.bio-ph","authors_text":"Marc Joyeux, Olivier Vincent, Philippe Marmottant","submitted_at":"2011-01-03T10:37:30Z","abstract_excerpt":"The underwater traps of the carnivorous plants of the Utricularia species catch their preys through the repetition of an \"active slow deflation / passive fast suction\" sequence. In this paper, we propose a mechanical model that describes both phases and strongly supports the hypothesis that the trap door acts as a flexible valve that buckles under the combined effects of pressure forces and the mechanical stimulation of trigger hairs, and not as a panel articulated on hinges. This model combines two different approaches, namely (i) the description of thin membranes as triangle meshes with stra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.0484","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1101.0484","created_at":"2026-05-18T04:28:19.690575+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.0484v1","created_at":"2026-05-18T04:28:19.690575+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.0484","created_at":"2026-05-18T04:28:19.690575+00:00"},{"alias_kind":"pith_short_12","alias_value":"KGCLQYXROFYA","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_16","alias_value":"KGCLQYXROFYA7C4G","created_at":"2026-05-18T12:26:32.869790+00:00"},{"alias_kind":"pith_short_8","alias_value":"KGCLQYXR","created_at":"2026-05-18T12:26:32.869790+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A","json":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A.json","graph_json":"https://pith.science/api/pith-number/KGCLQYXROFYA7C4GA5TSJBEH2A/graph.json","events_json":"https://pith.science/api/pith-number/KGCLQYXROFYA7C4GA5TSJBEH2A/events.json","paper":"https://pith.science/paper/KGCLQYXR"},"agent_actions":{"view_html":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A","download_json":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A.json","view_paper":"https://pith.science/paper/KGCLQYXR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.0484&json=true","fetch_graph":"https://pith.science/api/pith-number/KGCLQYXROFYA7C4GA5TSJBEH2A/graph.json","fetch_events":"https://pith.science/api/pith-number/KGCLQYXROFYA7C4GA5TSJBEH2A/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A/action/storage_attestation","attest_author":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A/action/author_attestation","sign_citation":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A/action/citation_signature","submit_replication":"https://pith.science/pith/KGCLQYXROFYA7C4GA5TSJBEH2A/action/replication_record"}},"created_at":"2026-05-18T04:28:19.690575+00:00","updated_at":"2026-05-18T04:28:19.690575+00:00"}