{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:3AJDXMGDWA5OBTPBDVYQ5NO4KL","short_pith_number":"pith:3AJDXMGD","schema_version":"1.0","canonical_sha256":"d8123bb0c3b03ae0cde11d710eb5dc52fd524cb8aa13f0a2daa52da44632f1f1","source":{"kind":"arxiv","id":"0904.4136","version":1},"attestation_state":"computed","paper":{"title":"Influence of flow confinement on the drag force on a static cylinder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Beno\\^it Semin (FAST), Harold Auradou (FAST), Jean-Pierre Hulin (FAST)","submitted_at":"2009-04-27T11:53:46Z","abstract_excerpt":"The influence of confinement on the drag force $F$ on a static cylinder in a viscous flow inside a rectangular slit of aperture $h_0$ has been investigated from experimental measurements and numerical simulations. At low enough Reynolds numbers, $F$ varies linearly with the mean velocity and the viscosity, allowing for the precise determination of drag coefficients $\\lambda_{||}$ and $\\lambda_{\\bot}$ corresponding respectively to a mean flow parallel and perpendicular to the cylinder length $L$. In the parallel configuration, the variation of $\\lambda_{||}$ with the normalized diameter $\\beta "},"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":"0904.4136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-04-27T11:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"63092caf4f7c8696c73f2b4e9a755246ca66c0eef83eae6aea47879c8f8a816d","abstract_canon_sha256":"8ad129d80cf6bed11bce6eb45ccab747bb8b9d3e24c8dbdb890e87a5cceb2d88"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:57.134732Z","signature_b64":"ZhZptVjcybhUnKPA/IdSJzvIs7sX1j9JQN2RjJ3w/+RSu97kQ9Y0CazRcPvmBJH2qKfBTr7z+o84SsMnV9r2BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d8123bb0c3b03ae0cde11d710eb5dc52fd524cb8aa13f0a2daa52da44632f1f1","last_reissued_at":"2026-05-18T02:13:57.134081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:57.134081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Influence of flow confinement on the drag force on a static cylinder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Beno\\^it Semin (FAST), Harold Auradou (FAST), Jean-Pierre Hulin (FAST)","submitted_at":"2009-04-27T11:53:46Z","abstract_excerpt":"The influence of confinement on the drag force $F$ on a static cylinder in a viscous flow inside a rectangular slit of aperture $h_0$ has been investigated from experimental measurements and numerical simulations. At low enough Reynolds numbers, $F$ varies linearly with the mean velocity and the viscosity, allowing for the precise determination of drag coefficients $\\lambda_{||}$ and $\\lambda_{\\bot}$ corresponding respectively to a mean flow parallel and perpendicular to the cylinder length $L$. In the parallel configuration, the variation of $\\lambda_{||}$ with the normalized diameter $\\beta "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.4136","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":"0904.4136","created_at":"2026-05-18T02:13:57.134175+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.4136v1","created_at":"2026-05-18T02:13:57.134175+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.4136","created_at":"2026-05-18T02:13:57.134175+00:00"},{"alias_kind":"pith_short_12","alias_value":"3AJDXMGDWA5O","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"3AJDXMGDWA5OBTPB","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"3AJDXMGD","created_at":"2026-05-18T12:25:58.018023+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/3AJDXMGDWA5OBTPBDVYQ5NO4KL","json":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL.json","graph_json":"https://pith.science/api/pith-number/3AJDXMGDWA5OBTPBDVYQ5NO4KL/graph.json","events_json":"https://pith.science/api/pith-number/3AJDXMGDWA5OBTPBDVYQ5NO4KL/events.json","paper":"https://pith.science/paper/3AJDXMGD"},"agent_actions":{"view_html":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL","download_json":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL.json","view_paper":"https://pith.science/paper/3AJDXMGD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.4136&json=true","fetch_graph":"https://pith.science/api/pith-number/3AJDXMGDWA5OBTPBDVYQ5NO4KL/graph.json","fetch_events":"https://pith.science/api/pith-number/3AJDXMGDWA5OBTPBDVYQ5NO4KL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL/action/storage_attestation","attest_author":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL/action/author_attestation","sign_citation":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL/action/citation_signature","submit_replication":"https://pith.science/pith/3AJDXMGDWA5OBTPBDVYQ5NO4KL/action/replication_record"}},"created_at":"2026-05-18T02:13:57.134175+00:00","updated_at":"2026-05-18T02:13:57.134175+00:00"}