{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:4J3LWKL4ZI7EVD2RUEB2ELE7XM","short_pith_number":"pith:4J3LWKL4","schema_version":"1.0","canonical_sha256":"e276bb297cca3e4a8f51a103a22c9fbb30dcaddc0c3488a69033bee50584f7e2","source":{"kind":"arxiv","id":"1703.07000","version":1},"attestation_state":"computed","paper":{"title":"Non-universal velocity probability densities in two-dimensional turbulence: the effect of large-scale dissipation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Yue-Kin Tsang","submitted_at":"2017-03-20T23:17:25Z","abstract_excerpt":"We show that some statistical properties of forced two-dimensional turbulence have an important sensitivity to the form of large-scale dissipation which is required to damp the inverse cascade. We consider three models of large-scale dissipation: linear \"Ekman\" drag, non-linear quadratic drag, and scale selective hypo-drag that damps only low-wavenumber modes. In all cases, the statistically steady vorticity field is dominated by almost axisymmetric vortices, and the probability density function of vorticity is non-Gaussian. However, in the case of linear and quadratic drag, we find that the v"},"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":"1703.07000","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-20T23:17:25Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"1f8ba429fa009ce7404fefbbc32e581410012c16ecbe67ba0d63c8f4da4064b2","abstract_canon_sha256":"b09d074deacab7054b594e2df9109a01591a809e8b31001d8a99b0b6b87c3a62"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:09.066759Z","signature_b64":"wtw1/UC/yEwM2ZbwfHig6v7KcB1oF2vXpthG0qaQ55u8yNjBKgFVm3H0x22eXXKPPczy84NN172rA+dJCb4dDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e276bb297cca3e4a8f51a103a22c9fbb30dcaddc0c3488a69033bee50584f7e2","last_reissued_at":"2026-05-18T00:48:09.066162Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:09.066162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-universal velocity probability densities in two-dimensional turbulence: the effect of large-scale dissipation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Yue-Kin Tsang","submitted_at":"2017-03-20T23:17:25Z","abstract_excerpt":"We show that some statistical properties of forced two-dimensional turbulence have an important sensitivity to the form of large-scale dissipation which is required to damp the inverse cascade. We consider three models of large-scale dissipation: linear \"Ekman\" drag, non-linear quadratic drag, and scale selective hypo-drag that damps only low-wavenumber modes. In all cases, the statistically steady vorticity field is dominated by almost axisymmetric vortices, and the probability density function of vorticity is non-Gaussian. However, in the case of linear and quadratic drag, we find that the v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07000","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":"1703.07000","created_at":"2026-05-18T00:48:09.066251+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.07000v1","created_at":"2026-05-18T00:48:09.066251+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07000","created_at":"2026-05-18T00:48:09.066251+00:00"},{"alias_kind":"pith_short_12","alias_value":"4J3LWKL4ZI7E","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_16","alias_value":"4J3LWKL4ZI7EVD2R","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_8","alias_value":"4J3LWKL4","created_at":"2026-05-18T12:31:00.734936+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/4J3LWKL4ZI7EVD2RUEB2ELE7XM","json":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM.json","graph_json":"https://pith.science/api/pith-number/4J3LWKL4ZI7EVD2RUEB2ELE7XM/graph.json","events_json":"https://pith.science/api/pith-number/4J3LWKL4ZI7EVD2RUEB2ELE7XM/events.json","paper":"https://pith.science/paper/4J3LWKL4"},"agent_actions":{"view_html":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM","download_json":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM.json","view_paper":"https://pith.science/paper/4J3LWKL4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.07000&json=true","fetch_graph":"https://pith.science/api/pith-number/4J3LWKL4ZI7EVD2RUEB2ELE7XM/graph.json","fetch_events":"https://pith.science/api/pith-number/4J3LWKL4ZI7EVD2RUEB2ELE7XM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM/action/storage_attestation","attest_author":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM/action/author_attestation","sign_citation":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM/action/citation_signature","submit_replication":"https://pith.science/pith/4J3LWKL4ZI7EVD2RUEB2ELE7XM/action/replication_record"}},"created_at":"2026-05-18T00:48:09.066251+00:00","updated_at":"2026-05-18T00:48:09.066251+00:00"}