{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:3AJDXMGDWA5OBTPBDVYQ5NO4KL","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"8ad129d80cf6bed11bce6eb45ccab747bb8b9d3e24c8dbdb890e87a5cceb2d88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-04-27T11:53:46Z","title_canon_sha256":"63092caf4f7c8696c73f2b4e9a755246ca66c0eef83eae6aea47879c8f8a816d"},"schema_version":"1.0","source":{"id":"0904.4136","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.4136","created_at":"2026-05-18T02:13:57Z"},{"alias_kind":"arxiv_version","alias_value":"0904.4136v1","created_at":"2026-05-18T02:13:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.4136","created_at":"2026-05-18T02:13:57Z"},{"alias_kind":"pith_short_12","alias_value":"3AJDXMGDWA5O","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"3AJDXMGDWA5OBTPB","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"3AJDXMGD","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:7b6fbcc7f29346c6f4285ece05559d908657b9a4fd611ee84d9cbf8eba4f3be2","target":"graph","created_at":"2026-05-18T02:13:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"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 ","authors_text":"Beno\\^it Semin (FAST), Harold Auradou (FAST), Jean-Pierre Hulin (FAST)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-04-27T11:53:46Z","title":"Influence of flow confinement on the drag force on a static cylinder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.4136","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ef28c7afb6cd454e7403fdf05b59b0efafb1c0bf4078b0116827fcb3b706caef","target":"record","created_at":"2026-05-18T02:13:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"8ad129d80cf6bed11bce6eb45ccab747bb8b9d3e24c8dbdb890e87a5cceb2d88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2009-04-27T11:53:46Z","title_canon_sha256":"63092caf4f7c8696c73f2b4e9a755246ca66c0eef83eae6aea47879c8f8a816d"},"schema_version":"1.0","source":{"id":"0904.4136","kind":"arxiv","version":1}},"canonical_sha256":"d8123bb0c3b03ae0cde11d710eb5dc52fd524cb8aa13f0a2daa52da44632f1f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8123bb0c3b03ae0cde11d710eb5dc52fd524cb8aa13f0a2daa52da44632f1f1","first_computed_at":"2026-05-18T02:13:57.134081Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:57.134081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZhZptVjcybhUnKPA/IdSJzvIs7sX1j9JQN2RjJ3w/+RSu97kQ9Y0CazRcPvmBJH2qKfBTr7z+o84SsMnV9r2BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:57.134732Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.4136","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ef28c7afb6cd454e7403fdf05b59b0efafb1c0bf4078b0116827fcb3b706caef","sha256:7b6fbcc7f29346c6f4285ece05559d908657b9a4fd611ee84d9cbf8eba4f3be2"],"state_sha256":"0a20e64217a573a0119c8fb09a5917fc969504d739ffcd7c37aa4a665ccdd2ac"}