{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:4YGDZT4KCHAALYHTJA47Y733A2","short_pith_number":"pith:4YGDZT4K","schema_version":"1.0","canonical_sha256":"e60c3ccf8a11c005e0f34839fc7f7b069d373894f3ca521ef40f25355e5b9759","source":{"kind":"arxiv","id":"1110.2107","version":1},"attestation_state":"computed","paper":{"title":"Magnetar Oscillations II: spectral method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Maarten van Hoven, Yuri Levin","submitted_at":"2011-10-10T17:00:54Z","abstract_excerpt":"The seismological dynamics of magnetars is largely determined by a strong hydro-magnetic coupling between the solid crust and the fluid core. In this paper we set up a \"spectral\" computational framework in which the magnetar's motion is decomposed into a series of basis functions which are associated with the crust and core vibrational eigenmodes. A general-relativistic formalism is presented for evaluation of the core Alfven modes in the magnetic-flux coordinates, as well for eigenmode computation of a strongly magnetized crust of finite thickness. By considering coupling of the crustal modes"},"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":"1110.2107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-10T17:00:54Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"db727e63417aa9c14573f5c2217678f102e1e3f50f7bdb8bc054b783dadac080","abstract_canon_sha256":"6d6cf3031ad2f7db7b27d95ca21d374b051a6f0d575382261cb1f901eecb8ffa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:14.167082Z","signature_b64":"nPcykbkF/jLHV+OGm9dCB2pL3UCu6louUfbjqv4V0qUh2/KrmYjnARN9XQlRZ5w20K3yHCM6FrFed6g3JZ7HDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e60c3ccf8a11c005e0f34839fc7f7b069d373894f3ca521ef40f25355e5b9759","last_reissued_at":"2026-05-18T02:00:14.166503Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:14.166503Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetar Oscillations II: spectral method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Maarten van Hoven, Yuri Levin","submitted_at":"2011-10-10T17:00:54Z","abstract_excerpt":"The seismological dynamics of magnetars is largely determined by a strong hydro-magnetic coupling between the solid crust and the fluid core. In this paper we set up a \"spectral\" computational framework in which the magnetar's motion is decomposed into a series of basis functions which are associated with the crust and core vibrational eigenmodes. A general-relativistic formalism is presented for evaluation of the core Alfven modes in the magnetic-flux coordinates, as well for eigenmode computation of a strongly magnetized crust of finite thickness. By considering coupling of the crustal modes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2107","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":"1110.2107","created_at":"2026-05-18T02:00:14.166590+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.2107v1","created_at":"2026-05-18T02:00:14.166590+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2107","created_at":"2026-05-18T02:00:14.166590+00:00"},{"alias_kind":"pith_short_12","alias_value":"4YGDZT4KCHAA","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_16","alias_value":"4YGDZT4KCHAALYHT","created_at":"2026-05-18T12:26:20.644004+00:00"},{"alias_kind":"pith_short_8","alias_value":"4YGDZT4K","created_at":"2026-05-18T12:26:20.644004+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2411.18282","citing_title":"Zeeman effect in oscillations of magnetars with toroidal magnetic fields","ref_index":38,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2","json":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2.json","graph_json":"https://pith.science/api/pith-number/4YGDZT4KCHAALYHTJA47Y733A2/graph.json","events_json":"https://pith.science/api/pith-number/4YGDZT4KCHAALYHTJA47Y733A2/events.json","paper":"https://pith.science/paper/4YGDZT4K"},"agent_actions":{"view_html":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2","download_json":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2.json","view_paper":"https://pith.science/paper/4YGDZT4K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.2107&json=true","fetch_graph":"https://pith.science/api/pith-number/4YGDZT4KCHAALYHTJA47Y733A2/graph.json","fetch_events":"https://pith.science/api/pith-number/4YGDZT4KCHAALYHTJA47Y733A2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2/action/storage_attestation","attest_author":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2/action/author_attestation","sign_citation":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2/action/citation_signature","submit_replication":"https://pith.science/pith/4YGDZT4KCHAALYHTJA47Y733A2/action/replication_record"}},"created_at":"2026-05-18T02:00:14.166590+00:00","updated_at":"2026-05-18T02:00:14.166590+00:00"}