{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:SED32WFWJNBFLDW2IXRUGTQ45V","short_pith_number":"pith:SED32WFW","schema_version":"1.0","canonical_sha256":"9107bd58b64b42558eda45e3434e1ced46582c95c1facb4fc2264c68ab2bfdcb","source":{"kind":"arxiv","id":"1605.06282","version":1},"attestation_state":"computed","paper":{"title":"Reopening modes of a collapsed elasto-rigid channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Alice B. Thompson, Andrew L. Hazel, Anne Juel, Lucie Duclou\\'e","submitted_at":"2016-05-20T10:51:03Z","abstract_excerpt":"Motivated by the reopening mechanics of strongly collapsed airways, we study the steady propagation of an air finger through a collapsed oil-filled channel with a single compliant wall. In a previous study using fully-compliant elastic tubes, a `pointed' air finger was found to propagate at high speed and low pressure, which may enable rapid reopening of highly collapsed airways with minimal tissue damage (Heap & Juel 2008). In this paper, we identify the selection mechanism of that pointed finger, which remained unexplained, by conducting an experimental study in a rigid rectangular Hele-Shaw"},"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":"1605.06282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-05-20T10:51:03Z","cross_cats_sorted":[],"title_canon_sha256":"887734392d19b3d2fb14e44f7696847f6d8f3c1998ae9ce70c5a0257afc5975d","abstract_canon_sha256":"7451e2b07b72c501717f2715ce840093ad4f5b7ef694e5fd729a6c8bd87f71a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:01.063711Z","signature_b64":"TmLdfC33wuZX11oSm0HTE3IBTWH2inMl0pIPKS71Kg40c8sKRQ5Qbo87GzwDn9zcrS8pQS4OJzmXLf76FpxiBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9107bd58b64b42558eda45e3434e1ced46582c95c1facb4fc2264c68ab2bfdcb","last_reissued_at":"2026-05-18T00:44:01.063218Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:01.063218Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reopening modes of a collapsed elasto-rigid channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Alice B. Thompson, Andrew L. Hazel, Anne Juel, Lucie Duclou\\'e","submitted_at":"2016-05-20T10:51:03Z","abstract_excerpt":"Motivated by the reopening mechanics of strongly collapsed airways, we study the steady propagation of an air finger through a collapsed oil-filled channel with a single compliant wall. In a previous study using fully-compliant elastic tubes, a `pointed' air finger was found to propagate at high speed and low pressure, which may enable rapid reopening of highly collapsed airways with minimal tissue damage (Heap & Juel 2008). In this paper, we identify the selection mechanism of that pointed finger, which remained unexplained, by conducting an experimental study in a rigid rectangular Hele-Shaw"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.06282","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":"1605.06282","created_at":"2026-05-18T00:44:01.063289+00:00"},{"alias_kind":"arxiv_version","alias_value":"1605.06282v1","created_at":"2026-05-18T00:44:01.063289+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.06282","created_at":"2026-05-18T00:44:01.063289+00:00"},{"alias_kind":"pith_short_12","alias_value":"SED32WFWJNBF","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_16","alias_value":"SED32WFWJNBFLDW2","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_8","alias_value":"SED32WFW","created_at":"2026-05-18T12:30:44.179134+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/SED32WFWJNBFLDW2IXRUGTQ45V","json":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V.json","graph_json":"https://pith.science/api/pith-number/SED32WFWJNBFLDW2IXRUGTQ45V/graph.json","events_json":"https://pith.science/api/pith-number/SED32WFWJNBFLDW2IXRUGTQ45V/events.json","paper":"https://pith.science/paper/SED32WFW"},"agent_actions":{"view_html":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V","download_json":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V.json","view_paper":"https://pith.science/paper/SED32WFW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1605.06282&json=true","fetch_graph":"https://pith.science/api/pith-number/SED32WFWJNBFLDW2IXRUGTQ45V/graph.json","fetch_events":"https://pith.science/api/pith-number/SED32WFWJNBFLDW2IXRUGTQ45V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V/action/storage_attestation","attest_author":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V/action/author_attestation","sign_citation":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V/action/citation_signature","submit_replication":"https://pith.science/pith/SED32WFWJNBFLDW2IXRUGTQ45V/action/replication_record"}},"created_at":"2026-05-18T00:44:01.063289+00:00","updated_at":"2026-05-18T00:44:01.063289+00:00"}