{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:MGJ6CKRALKX6JOQJJV4QL6F5BG","short_pith_number":"pith:MGJ6CKRA","schema_version":"1.0","canonical_sha256":"6193e12a205aafe4ba094d7905f8bd09b4ec565ebf62e688d595c05475df2c6c","source":{"kind":"arxiv","id":"1712.09224","version":1},"attestation_state":"computed","paper":{"title":"Magnetic field amplification by the r-mode instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrey I. Chugunov, John L. Friedman, Lee Lindblom, Luciano Rezzolla","submitted_at":"2017-12-26T09:51:46Z","abstract_excerpt":"We discuss magnetic field enhancement by unstable r-modes (driven by the gravitational radiation reaction force) in rotating stars. In the absence of a magnetic field, gravitational radiation exponentially increases the r-mode amplitude $\\alpha$, and accelerates differential rotation (secular motion of fluid elements). For a magnetized star, differential rotation enhances the magnetic field energy. Rezzolla et al. (2000--2001) argued that if the magnetic energy grows faster than the gravitational radiation reaction force pumps energy into the r-modes, then the r-mode instability is suppressed."},"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":"1712.09224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-12-26T09:51:46Z","cross_cats_sorted":[],"title_canon_sha256":"13412876c456c8163cb171a05e7b28c97b23ef9da024b75caa3977bdc68da9e9","abstract_canon_sha256":"e67c79220445b6ae5b21893155d82bc3e612e4a97d02d66529717f05d993d14c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:50.773441Z","signature_b64":"+IDxnlC7qcXBqAZVULdt1YH0HibO7Vka9ESlqbV2QBGiO+7iSIeo83hsKUCMqqiRLjWiNUoQwO4yxqmM+muUBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6193e12a205aafe4ba094d7905f8bd09b4ec565ebf62e688d595c05475df2c6c","last_reissued_at":"2026-05-18T00:25:50.772787Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:50.772787Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic field amplification by the r-mode instability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrey I. Chugunov, John L. Friedman, Lee Lindblom, Luciano Rezzolla","submitted_at":"2017-12-26T09:51:46Z","abstract_excerpt":"We discuss magnetic field enhancement by unstable r-modes (driven by the gravitational radiation reaction force) in rotating stars. In the absence of a magnetic field, gravitational radiation exponentially increases the r-mode amplitude $\\alpha$, and accelerates differential rotation (secular motion of fluid elements). For a magnetized star, differential rotation enhances the magnetic field energy. Rezzolla et al. (2000--2001) argued that if the magnetic energy grows faster than the gravitational radiation reaction force pumps energy into the r-modes, then the r-mode instability is suppressed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.09224","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":"1712.09224","created_at":"2026-05-18T00:25:50.772890+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.09224v1","created_at":"2026-05-18T00:25:50.772890+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.09224","created_at":"2026-05-18T00:25:50.772890+00:00"},{"alias_kind":"pith_short_12","alias_value":"MGJ6CKRALKX6","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_16","alias_value":"MGJ6CKRALKX6JOQJ","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_8","alias_value":"MGJ6CKRA","created_at":"2026-05-18T12:31:31.346846+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/MGJ6CKRALKX6JOQJJV4QL6F5BG","json":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG.json","graph_json":"https://pith.science/api/pith-number/MGJ6CKRALKX6JOQJJV4QL6F5BG/graph.json","events_json":"https://pith.science/api/pith-number/MGJ6CKRALKX6JOQJJV4QL6F5BG/events.json","paper":"https://pith.science/paper/MGJ6CKRA"},"agent_actions":{"view_html":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG","download_json":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG.json","view_paper":"https://pith.science/paper/MGJ6CKRA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.09224&json=true","fetch_graph":"https://pith.science/api/pith-number/MGJ6CKRALKX6JOQJJV4QL6F5BG/graph.json","fetch_events":"https://pith.science/api/pith-number/MGJ6CKRALKX6JOQJJV4QL6F5BG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG/action/storage_attestation","attest_author":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG/action/author_attestation","sign_citation":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG/action/citation_signature","submit_replication":"https://pith.science/pith/MGJ6CKRALKX6JOQJJV4QL6F5BG/action/replication_record"}},"created_at":"2026-05-18T00:25:50.772890+00:00","updated_at":"2026-05-18T00:25:50.772890+00:00"}