{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:RMT6WXZJFWY2RQNYOFDZMSLQI6","short_pith_number":"pith:RMT6WXZJ","schema_version":"1.0","canonical_sha256":"8b27eb5f292db1a8c1b8714796497047a1f7cd76fdaedda71071ac62608915fd","source":{"kind":"arxiv","id":"1903.09418","version":1},"attestation_state":"computed","paper":{"title":"Gyrotactic phytoplankton in laminar and turbulent flows: a dynamical systems approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"nlin.CD","authors_text":"Filippo De Lillo, Guido Boffetta, Massimo Cencini, Matteo Borgnino","submitted_at":"2019-03-22T09:29:54Z","abstract_excerpt":"Gyrotactic algae are bottom heavy, motile cells whose swimming direction is determined by a balance between a buoyancy torque directing them upwards and fluid velocity gradients. Gyrotaxis has, in recent years, become a paradigmatic model for phytoplankton motility in flows. The essential attractiveness of this peculiar form of motility is the availability of a mechanistic description which, despite its simplicity, revealed predictive, rich in phenomenology, easily complemented to include the effects of shape, feed-back on the fluid and stochasticity (e.g. in cell orientation). In this review "},"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":"1903.09418","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2019-03-22T09:29:54Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"adf763023aa519faec914fe6142843c13c08612acd06cb0e3b23cac51b87c059","abstract_canon_sha256":"a51e7e0b712da6884ee294839d84ce6272c1cfbdb70a157b7b2c06127024169c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:39.692038Z","signature_b64":"WObrzgCHAaCeqC4bMiwY8JZf0RNQQsfmc8NDtzuFpT/y4aWBc35ElJDdSXLcIuIrMpty+WzqJj9PG9eGN/SgBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b27eb5f292db1a8c1b8714796497047a1f7cd76fdaedda71071ac62608915fd","last_reissued_at":"2026-05-17T23:50:39.691556Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:39.691556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gyrotactic phytoplankton in laminar and turbulent flows: a dynamical systems approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"nlin.CD","authors_text":"Filippo De Lillo, Guido Boffetta, Massimo Cencini, Matteo Borgnino","submitted_at":"2019-03-22T09:29:54Z","abstract_excerpt":"Gyrotactic algae are bottom heavy, motile cells whose swimming direction is determined by a balance between a buoyancy torque directing them upwards and fluid velocity gradients. Gyrotaxis has, in recent years, become a paradigmatic model for phytoplankton motility in flows. The essential attractiveness of this peculiar form of motility is the availability of a mechanistic description which, despite its simplicity, revealed predictive, rich in phenomenology, easily complemented to include the effects of shape, feed-back on the fluid and stochasticity (e.g. in cell orientation). In this review "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09418","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":"1903.09418","created_at":"2026-05-17T23:50:39.691628+00:00"},{"alias_kind":"arxiv_version","alias_value":"1903.09418v1","created_at":"2026-05-17T23:50:39.691628+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09418","created_at":"2026-05-17T23:50:39.691628+00:00"},{"alias_kind":"pith_short_12","alias_value":"RMT6WXZJFWY2","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_16","alias_value":"RMT6WXZJFWY2RQNY","created_at":"2026-05-18T12:33:27.125529+00:00"},{"alias_kind":"pith_short_8","alias_value":"RMT6WXZJ","created_at":"2026-05-18T12:33:27.125529+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/RMT6WXZJFWY2RQNYOFDZMSLQI6","json":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6.json","graph_json":"https://pith.science/api/pith-number/RMT6WXZJFWY2RQNYOFDZMSLQI6/graph.json","events_json":"https://pith.science/api/pith-number/RMT6WXZJFWY2RQNYOFDZMSLQI6/events.json","paper":"https://pith.science/paper/RMT6WXZJ"},"agent_actions":{"view_html":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6","download_json":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6.json","view_paper":"https://pith.science/paper/RMT6WXZJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1903.09418&json=true","fetch_graph":"https://pith.science/api/pith-number/RMT6WXZJFWY2RQNYOFDZMSLQI6/graph.json","fetch_events":"https://pith.science/api/pith-number/RMT6WXZJFWY2RQNYOFDZMSLQI6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6/action/storage_attestation","attest_author":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6/action/author_attestation","sign_citation":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6/action/citation_signature","submit_replication":"https://pith.science/pith/RMT6WXZJFWY2RQNYOFDZMSLQI6/action/replication_record"}},"created_at":"2026-05-17T23:50:39.691628+00:00","updated_at":"2026-05-17T23:50:39.691628+00:00"}