{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:UK2JMUH6RRMSQWN3KKA3JAZX7T","short_pith_number":"pith:UK2JMUH6","schema_version":"1.0","canonical_sha256":"a2b49650fe8c592859bb5281b48337fcf3761f5b1fa265fc602d471e5df2b7cf","source":{"kind":"arxiv","id":"2306.01062","version":2},"attestation_state":"computed","paper":{"title":"Vortex line entanglement in active Beltrami flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"Jonasz Slomka, Jorn Dunkel, Keaton J. Burns, Nicolas Romeo","submitted_at":"2023-06-01T18:09:31Z","abstract_excerpt":"Over the last decade, substantial progress has been made in understanding the topology of quasi-2D non-equilibrium fluid flows driven by ATP-powered microtubules and microorganisms. By contrast, the topology of 3D active fluid flows still poses interesting open questions. Here, we study the topology of a spherically confined active flow using 3D direct numerical simulations of generalized Navier-Stokes (GNS) equations at the scale of typical microfluidic experiments. Consistent with earlier results for unbounded periodic domains, our simulations confirm the formation of Beltrami-like bulk flow"},"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":"2306.01062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2023-06-01T18:09:31Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"fe3490526f5908c5f7c36ed3b89decb9f86819c8705b17f8106b343e13203e88","abstract_canon_sha256":"1eb35db0eee535e1f95ea3051ad758c125898724cd5d3a0f89f70f987c05c18d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:38.013312Z","signature_b64":"tEKakIMeCb2BNdqBf1dswnaopoE2njhZ8Okf1ggVPtiqR0Px2RRxbQpxBkMW59ZK1vv+BcIZVj5WAjol4IXhCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2b49650fe8c592859bb5281b48337fcf3761f5b1fa265fc602d471e5df2b7cf","last_reissued_at":"2026-07-05T10:07:38.012896Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:38.012896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Vortex line entanglement in active Beltrami flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"Jonasz Slomka, Jorn Dunkel, Keaton J. Burns, Nicolas Romeo","submitted_at":"2023-06-01T18:09:31Z","abstract_excerpt":"Over the last decade, substantial progress has been made in understanding the topology of quasi-2D non-equilibrium fluid flows driven by ATP-powered microtubules and microorganisms. By contrast, the topology of 3D active fluid flows still poses interesting open questions. Here, we study the topology of a spherically confined active flow using 3D direct numerical simulations of generalized Navier-Stokes (GNS) equations at the scale of typical microfluidic experiments. Consistent with earlier results for unbounded periodic domains, our simulations confirm the formation of Beltrami-like bulk flow"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.01062","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2306.01062/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2306.01062","created_at":"2026-07-05T10:07:38.012952+00:00"},{"alias_kind":"arxiv_version","alias_value":"2306.01062v2","created_at":"2026-07-05T10:07:38.012952+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.01062","created_at":"2026-07-05T10:07:38.012952+00:00"},{"alias_kind":"pith_short_12","alias_value":"UK2JMUH6RRMS","created_at":"2026-07-05T10:07:38.012952+00:00"},{"alias_kind":"pith_short_16","alias_value":"UK2JMUH6RRMSQWN3","created_at":"2026-07-05T10:07:38.012952+00:00"},{"alias_kind":"pith_short_8","alias_value":"UK2JMUH6","created_at":"2026-07-05T10:07:38.012952+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/UK2JMUH6RRMSQWN3KKA3JAZX7T","json":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T.json","graph_json":"https://pith.science/api/pith-number/UK2JMUH6RRMSQWN3KKA3JAZX7T/graph.json","events_json":"https://pith.science/api/pith-number/UK2JMUH6RRMSQWN3KKA3JAZX7T/events.json","paper":"https://pith.science/paper/UK2JMUH6"},"agent_actions":{"view_html":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T","download_json":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T.json","view_paper":"https://pith.science/paper/UK2JMUH6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2306.01062&json=true","fetch_graph":"https://pith.science/api/pith-number/UK2JMUH6RRMSQWN3KKA3JAZX7T/graph.json","fetch_events":"https://pith.science/api/pith-number/UK2JMUH6RRMSQWN3KKA3JAZX7T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T/action/storage_attestation","attest_author":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T/action/author_attestation","sign_citation":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T/action/citation_signature","submit_replication":"https://pith.science/pith/UK2JMUH6RRMSQWN3KKA3JAZX7T/action/replication_record"}},"created_at":"2026-07-05T10:07:38.012952+00:00","updated_at":"2026-07-05T10:07:38.012952+00:00"}