{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:7NKOU4QJLVAWFPSEXS4LHKWNXA","short_pith_number":"pith:7NKOU4QJ","schema_version":"1.0","canonical_sha256":"fb54ea72095d4162be44bcb8b3aacdb827a28431444605d9f5adaf38cfa3d370","source":{"kind":"arxiv","id":"1110.2498","version":2},"attestation_state":"computed","paper":{"title":"Magnetic field decay in neutron stars: from Soft Gamma Repeaters to \"weak field magnetars\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"J. Granot, S. Dall'Osso, T. Piran","submitted_at":"2011-10-11T20:15:40Z","abstract_excerpt":"The recent discovery of the \"weak field, old magnetar\", the soft gamma repeater SGR 0418+5729, whose dipole magnetic field is less than 7.5 \\times 10^{12} G, has raised perplexing questions: How can the neutron star produce SGR-like bursts with such a low magnetic field? What powers the observed X-ray emission when neither the rotational energy nor the magnetic dipole energy are sufficient? These observations, that suggest either a much larger energy reservoir or a much younger true age (or both), have renewed the interest in the evolutionary sequence of magnetars. We examine, here, a phenomen"},"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":"1110.2498","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-10-11T20:15:40Z","cross_cats_sorted":[],"title_canon_sha256":"ffe6c21d7b6dfa62c67a4664a757119f5f8f402ade528d0e4c8e6fbfcfddda31","abstract_canon_sha256":"b41871acbe6eab7185d8ee0ee3cfbd92f19580a7dad6373e1f307aea719cd683"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:13.501512Z","signature_b64":"ROvAZoNp5aEDOgRCtNPqEPg5a4qg4j6SwmU8G9jXe4V7lp5A4d2Ck8svcjmvl2FLc2i+UNMqE+OT+V8vi5tJBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb54ea72095d4162be44bcb8b3aacdb827a28431444605d9f5adaf38cfa3d370","last_reissued_at":"2026-05-18T02:00:13.500960Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:13.500960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic field decay in neutron stars: from Soft Gamma Repeaters to \"weak field magnetars\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"J. Granot, S. Dall'Osso, T. Piran","submitted_at":"2011-10-11T20:15:40Z","abstract_excerpt":"The recent discovery of the \"weak field, old magnetar\", the soft gamma repeater SGR 0418+5729, whose dipole magnetic field is less than 7.5 \\times 10^{12} G, has raised perplexing questions: How can the neutron star produce SGR-like bursts with such a low magnetic field? What powers the observed X-ray emission when neither the rotational energy nor the magnetic dipole energy are sufficient? These observations, that suggest either a much larger energy reservoir or a much younger true age (or both), have renewed the interest in the evolutionary sequence of magnetars. We examine, here, a phenomen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2498","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":""},"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":"1110.2498","created_at":"2026-05-18T02:00:13.501056+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.2498v2","created_at":"2026-05-18T02:00:13.501056+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2498","created_at":"2026-05-18T02:00:13.501056+00:00"},{"alias_kind":"pith_short_12","alias_value":"7NKOU4QJLVAW","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_16","alias_value":"7NKOU4QJLVAWFPSE","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_8","alias_value":"7NKOU4QJ","created_at":"2026-05-18T12:26:22.705136+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/7NKOU4QJLVAWFPSEXS4LHKWNXA","json":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA.json","graph_json":"https://pith.science/api/pith-number/7NKOU4QJLVAWFPSEXS4LHKWNXA/graph.json","events_json":"https://pith.science/api/pith-number/7NKOU4QJLVAWFPSEXS4LHKWNXA/events.json","paper":"https://pith.science/paper/7NKOU4QJ"},"agent_actions":{"view_html":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA","download_json":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA.json","view_paper":"https://pith.science/paper/7NKOU4QJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.2498&json=true","fetch_graph":"https://pith.science/api/pith-number/7NKOU4QJLVAWFPSEXS4LHKWNXA/graph.json","fetch_events":"https://pith.science/api/pith-number/7NKOU4QJLVAWFPSEXS4LHKWNXA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA/action/storage_attestation","attest_author":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA/action/author_attestation","sign_citation":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA/action/citation_signature","submit_replication":"https://pith.science/pith/7NKOU4QJLVAWFPSEXS4LHKWNXA/action/replication_record"}},"created_at":"2026-05-18T02:00:13.501056+00:00","updated_at":"2026-05-18T02:00:13.501056+00:00"}