{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:Z3ZU3OM3L3X4XP3HK4JAY4N7JA","short_pith_number":"pith:Z3ZU3OM3","schema_version":"1.0","canonical_sha256":"cef34db99b5eefcbbf6757120c71bf4830f59ad518692f9f4daff85aef7ac878","source":{"kind":"arxiv","id":"1902.01173","version":1},"attestation_state":"computed","paper":{"title":"Potential Vorticity of Saturn's Polar Regions: Seasonality and Instabilities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Agust\\'in S\\'anchez-Lavega, Arrate Antu\\~nano, Leigh N. Fletcher, Peter L. Read, Teresa Del R\\'io-Gaztelurrutia","submitted_at":"2019-02-04T13:29:05Z","abstract_excerpt":"We analyse the potential vorticity of Saturn's polar regions, as it is a fundamental dynamical tracer that enables us to improve our understanding of the dynamics of these regions and their seasonal variability. In particular, we present zonally averaged quasi-geostrophic potential vorticity maps between 68{\\deg} planetographic latitude and the poles at altitudes between 500 mbar and 1mbar for three different epochs: (i) June 2013 (early northern summer) for the north polar region, (ii) December 2008 (late northern winter) for both polar regions and (iii) October 2006 (southern summer) for the"},"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":"1902.01173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-02-04T13:29:05Z","cross_cats_sorted":[],"title_canon_sha256":"5d6f5b0c12c72b812c24ebe707c9492302395db2678a4740dcc58544a7195198","abstract_canon_sha256":"a77df2638aa68373b3ca1bec18795ef855b08e288a782c9be3dc9e293dca7ac4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:49.527519Z","signature_b64":"IVcFgKzO2o5xfCFQzetV8dqkI2eUmALRXA/jLenP3A3qpddYxdzX9zD28XHQ3TMF4ozVt8B+gk1Vc2NZ+GphBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cef34db99b5eefcbbf6757120c71bf4830f59ad518692f9f4daff85aef7ac878","last_reissued_at":"2026-05-17T23:54:49.526895Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:49.526895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Potential Vorticity of Saturn's Polar Regions: Seasonality and Instabilities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Agust\\'in S\\'anchez-Lavega, Arrate Antu\\~nano, Leigh N. Fletcher, Peter L. Read, Teresa Del R\\'io-Gaztelurrutia","submitted_at":"2019-02-04T13:29:05Z","abstract_excerpt":"We analyse the potential vorticity of Saturn's polar regions, as it is a fundamental dynamical tracer that enables us to improve our understanding of the dynamics of these regions and their seasonal variability. In particular, we present zonally averaged quasi-geostrophic potential vorticity maps between 68{\\deg} planetographic latitude and the poles at altitudes between 500 mbar and 1mbar for three different epochs: (i) June 2013 (early northern summer) for the north polar region, (ii) December 2008 (late northern winter) for both polar regions and (iii) October 2006 (southern summer) for the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01173","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":"1902.01173","created_at":"2026-05-17T23:54:49.526990+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.01173v1","created_at":"2026-05-17T23:54:49.526990+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01173","created_at":"2026-05-17T23:54:49.526990+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z3ZU3OM3L3X4","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z3ZU3OM3L3X4XP3H","created_at":"2026-05-18T12:33:33.725879+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z3ZU3OM3","created_at":"2026-05-18T12:33:33.725879+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/Z3ZU3OM3L3X4XP3HK4JAY4N7JA","json":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA.json","graph_json":"https://pith.science/api/pith-number/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/graph.json","events_json":"https://pith.science/api/pith-number/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/events.json","paper":"https://pith.science/paper/Z3ZU3OM3"},"agent_actions":{"view_html":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA","download_json":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA.json","view_paper":"https://pith.science/paper/Z3ZU3OM3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.01173&json=true","fetch_graph":"https://pith.science/api/pith-number/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/graph.json","fetch_events":"https://pith.science/api/pith-number/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/action/storage_attestation","attest_author":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/action/author_attestation","sign_citation":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/action/citation_signature","submit_replication":"https://pith.science/pith/Z3ZU3OM3L3X4XP3HK4JAY4N7JA/action/replication_record"}},"created_at":"2026-05-17T23:54:49.526990+00:00","updated_at":"2026-05-17T23:54:49.526990+00:00"}