{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:OZ54VSJL5UHXTQ2DCJCNN3OKV7","short_pith_number":"pith:OZ54VSJL","schema_version":"1.0","canonical_sha256":"767bcac92bed0f79c3431244d6edcaafcfe845ead10f4bdc9f9b3dbb1adb54d1","source":{"kind":"arxiv","id":"1605.09687","version":1},"attestation_state":"computed","paper":{"title":"Magnetic Helicity Reversals in a Cyclic Convective Dynamo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"China), France), Kyle C. Augustson (CEA Saclay, Mark S. Miesch (HAO/NCAR, Mei Zhang (National Astronomical Observatories, USA)","submitted_at":"2016-05-31T16:00:16Z","abstract_excerpt":"We investigate the role of magnetic helicity in promoting cyclic magnetic activity in a global, 3D, magnetohydrodynamic (MHD) simulation of a convective dynamo. This simulation is characterized by coherent bands of toroidal field that exist within the convection zone, with opposite polarities in the northern and southern hemispheres. Throughout most of the cycle, the magnetic helicity in these bands is negative in the northern hemisphere and positive in the southern hemisphere. However, during the declining phase of each cycle, this hemispheric rule reverses. We attribute this to a global rest"},"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":"1605.09687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-05-31T16:00:16Z","cross_cats_sorted":[],"title_canon_sha256":"3bec3afdb605dd64a7c393d9f648948e6ce951868a1012abcdc13c2869e73a2b","abstract_canon_sha256":"8d846e20a88ca4e9264b866f844a6b3b6fdfdb8ecb64f79061a900a92df3dfc4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:26.331225Z","signature_b64":"qO/c6IqfLDgXHvXYph7cmMsM+xtoSV1TK99MrBRZeTqHT8WAT7BYnqiEo+hYS4F9I8I8e1qoZ/B7+zq3RjiWDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"767bcac92bed0f79c3431244d6edcaafcfe845ead10f4bdc9f9b3dbb1adb54d1","last_reissued_at":"2026-05-18T01:12:26.330860Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:26.330860Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic Helicity Reversals in a Cyclic Convective Dynamo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"China), France), Kyle C. Augustson (CEA Saclay, Mark S. Miesch (HAO/NCAR, Mei Zhang (National Astronomical Observatories, USA)","submitted_at":"2016-05-31T16:00:16Z","abstract_excerpt":"We investigate the role of magnetic helicity in promoting cyclic magnetic activity in a global, 3D, magnetohydrodynamic (MHD) simulation of a convective dynamo. This simulation is characterized by coherent bands of toroidal field that exist within the convection zone, with opposite polarities in the northern and southern hemispheres. Throughout most of the cycle, the magnetic helicity in these bands is negative in the northern hemisphere and positive in the southern hemisphere. However, during the declining phase of each cycle, this hemispheric rule reverses. We attribute this to a global rest"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.09687","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":"1605.09687","created_at":"2026-05-18T01:12:26.330911+00:00"},{"alias_kind":"arxiv_version","alias_value":"1605.09687v1","created_at":"2026-05-18T01:12:26.330911+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.09687","created_at":"2026-05-18T01:12:26.330911+00:00"},{"alias_kind":"pith_short_12","alias_value":"OZ54VSJL5UHX","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_16","alias_value":"OZ54VSJL5UHXTQ2D","created_at":"2026-05-18T12:30:36.002864+00:00"},{"alias_kind":"pith_short_8","alias_value":"OZ54VSJL","created_at":"2026-05-18T12:30:36.002864+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/OZ54VSJL5UHXTQ2DCJCNN3OKV7","json":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7.json","graph_json":"https://pith.science/api/pith-number/OZ54VSJL5UHXTQ2DCJCNN3OKV7/graph.json","events_json":"https://pith.science/api/pith-number/OZ54VSJL5UHXTQ2DCJCNN3OKV7/events.json","paper":"https://pith.science/paper/OZ54VSJL"},"agent_actions":{"view_html":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7","download_json":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7.json","view_paper":"https://pith.science/paper/OZ54VSJL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1605.09687&json=true","fetch_graph":"https://pith.science/api/pith-number/OZ54VSJL5UHXTQ2DCJCNN3OKV7/graph.json","fetch_events":"https://pith.science/api/pith-number/OZ54VSJL5UHXTQ2DCJCNN3OKV7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7/action/storage_attestation","attest_author":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7/action/author_attestation","sign_citation":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7/action/citation_signature","submit_replication":"https://pith.science/pith/OZ54VSJL5UHXTQ2DCJCNN3OKV7/action/replication_record"}},"created_at":"2026-05-18T01:12:26.330911+00:00","updated_at":"2026-05-18T01:12:26.330911+00:00"}