{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:VWMEF3GL7H3ZSTALTZMHW7QPSV","short_pith_number":"pith:VWMEF3GL","schema_version":"1.0","canonical_sha256":"ad9842eccbf9f7994c0b9e587b7e0f95659398ff2889e58068a644f2d11872d1","source":{"kind":"arxiv","id":"astro-ph/0111374","version":2},"attestation_state":"computed","paper":{"title":"Neutron star composition in strong magnetic fields","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Iwamoto, G. Mao, I.N. Mikhailov, V.N. Kondratyev, W. Greiner, X. Wu, Z. Li","submitted_at":"2001-11-20T09:23:13Z","abstract_excerpt":"We study the problem of neutron star composition in the presence of a strong magnetic field. The effects of the anomalous magnetic moments of both nucleons and electrons are investigated in relativistic mean field calculations for a $\\beta$-equilibrium system. Since neutrons are fully spin polarized in a large field, generally speaking, the proton fraction can never exceed the field free case. An extremely strong magnetic field may lead to a pure neutron matter instead of a proton-rich matter."},"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":"astro-ph/0111374","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2001-11-20T09:23:13Z","cross_cats_sorted":[],"title_canon_sha256":"4d958b5abb82e400f9ebc06c020b29b825af44a305e7efc1d473bf56e568746c","abstract_canon_sha256":"03c90797de613c5ab6b66df8b1a5a52ec2634e0d84a9c9e360724255505cdde0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:24:30.185969Z","signature_b64":"JkW+pduaA2GaZ6nmz6QYRBIqpfQ14ViD/+7mjvEF2VWASomw2899Ycax8E0oT2FVHZQ8t+DiRlTz6HmIRzbNBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad9842eccbf9f7994c0b9e587b7e0f95659398ff2889e58068a644f2d11872d1","last_reissued_at":"2026-07-04T16:24:30.185552Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:24:30.185552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Neutron star composition in strong magnetic fields","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Iwamoto, G. Mao, I.N. Mikhailov, V.N. Kondratyev, W. Greiner, X. Wu, Z. Li","submitted_at":"2001-11-20T09:23:13Z","abstract_excerpt":"We study the problem of neutron star composition in the presence of a strong magnetic field. The effects of the anomalous magnetic moments of both nucleons and electrons are investigated in relativistic mean field calculations for a $\\beta$-equilibrium system. Since neutrons are fully spin polarized in a large field, generally speaking, the proton fraction can never exceed the field free case. An extremely strong magnetic field may lead to a pure neutron matter instead of a proton-rich matter."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0111374","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0111374/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0111374","created_at":"2026-07-04T16:24:30.185617+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0111374v2","created_at":"2026-07-04T16:24:30.185617+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0111374","created_at":"2026-07-04T16:24:30.185617+00:00"},{"alias_kind":"pith_short_12","alias_value":"VWMEF3GL7H3Z","created_at":"2026-07-04T16:24:30.185617+00:00"},{"alias_kind":"pith_short_16","alias_value":"VWMEF3GL7H3ZSTAL","created_at":"2026-07-04T16:24:30.185617+00:00"},{"alias_kind":"pith_short_8","alias_value":"VWMEF3GL","created_at":"2026-07-04T16:24:30.185617+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/VWMEF3GL7H3ZSTALTZMHW7QPSV","json":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV.json","graph_json":"https://pith.science/api/pith-number/VWMEF3GL7H3ZSTALTZMHW7QPSV/graph.json","events_json":"https://pith.science/api/pith-number/VWMEF3GL7H3ZSTALTZMHW7QPSV/events.json","paper":"https://pith.science/paper/VWMEF3GL"},"agent_actions":{"view_html":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV","download_json":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV.json","view_paper":"https://pith.science/paper/VWMEF3GL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0111374&json=true","fetch_graph":"https://pith.science/api/pith-number/VWMEF3GL7H3ZSTALTZMHW7QPSV/graph.json","fetch_events":"https://pith.science/api/pith-number/VWMEF3GL7H3ZSTALTZMHW7QPSV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV/action/storage_attestation","attest_author":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV/action/author_attestation","sign_citation":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV/action/citation_signature","submit_replication":"https://pith.science/pith/VWMEF3GL7H3ZSTALTZMHW7QPSV/action/replication_record"}},"created_at":"2026-07-04T16:24:30.185617+00:00","updated_at":"2026-07-04T16:24:30.185617+00:00"}