{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:ZR2O6B44V6NRFXVCYHZHKT5LG6","short_pith_number":"pith:ZR2O6B44","schema_version":"1.0","canonical_sha256":"cc74ef079caf9b12dea2c1f2754fab37815fc507c9542cf8269c5c66f76f6f19","source":{"kind":"arxiv","id":"1303.5258","version":1},"attestation_state":"computed","paper":{"title":"Neutron stars initial spin period distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. P. Igoshev (Sobolev Institut of Astronomy, Russia), Russia) S. B. Popov (Sternberg Astronomical Institute, Saint Petersburg State University","submitted_at":"2013-03-21T13:59:53Z","abstract_excerpt":"We analyze different possibilities to explain the wide initial spin period distribution of radio pulsars presented by Noutsos et al. (2013). With a population synthesis modeling we demonstrate that magnetic field decay can be used to interpret the difference between the recent results by Noutsos et al. (2013) and those by Popov & Turolla (2012), where a much younger population of NSs associated with supernova remnants with known ages has been studied. In particular, an exponential field decay with tau_mag = 5Myrs can produce a \"tail\" in the reconstructed initial spin period distribution (as ob"},"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":"1303.5258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-03-21T13:59:53Z","cross_cats_sorted":[],"title_canon_sha256":"ec971bcb4e1f6f713ab345717675b3da1edb69e2e90df7be9e73471486e14742","abstract_canon_sha256":"678235ea8b9654740b139c3765d36eed97158d2d333a74cf568cb39542879687"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:09.130348Z","signature_b64":"SYdoAPStlzhc0xkW79EwUGb0HmDH4MR2IkoPYMbvjFJi73R8mj83gbbInuHPKB0AaIfOavwm90N3bamlq0DyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc74ef079caf9b12dea2c1f2754fab37815fc507c9542cf8269c5c66f76f6f19","last_reissued_at":"2026-05-18T03:20:09.129899Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:09.129899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Neutron stars initial spin period distribution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. P. Igoshev (Sobolev Institut of Astronomy, Russia), Russia) S. B. Popov (Sternberg Astronomical Institute, Saint Petersburg State University","submitted_at":"2013-03-21T13:59:53Z","abstract_excerpt":"We analyze different possibilities to explain the wide initial spin period distribution of radio pulsars presented by Noutsos et al. (2013). With a population synthesis modeling we demonstrate that magnetic field decay can be used to interpret the difference between the recent results by Noutsos et al. (2013) and those by Popov & Turolla (2012), where a much younger population of NSs associated with supernova remnants with known ages has been studied. In particular, an exponential field decay with tau_mag = 5Myrs can produce a \"tail\" in the reconstructed initial spin period distribution (as ob"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.5258","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":"1303.5258","created_at":"2026-05-18T03:20:09.129963+00:00"},{"alias_kind":"arxiv_version","alias_value":"1303.5258v1","created_at":"2026-05-18T03:20:09.129963+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.5258","created_at":"2026-05-18T03:20:09.129963+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZR2O6B44V6NR","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZR2O6B44V6NRFXVC","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZR2O6B44","created_at":"2026-05-18T12:28:09.283467+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/ZR2O6B44V6NRFXVCYHZHKT5LG6","json":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6.json","graph_json":"https://pith.science/api/pith-number/ZR2O6B44V6NRFXVCYHZHKT5LG6/graph.json","events_json":"https://pith.science/api/pith-number/ZR2O6B44V6NRFXVCYHZHKT5LG6/events.json","paper":"https://pith.science/paper/ZR2O6B44"},"agent_actions":{"view_html":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6","download_json":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6.json","view_paper":"https://pith.science/paper/ZR2O6B44","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1303.5258&json=true","fetch_graph":"https://pith.science/api/pith-number/ZR2O6B44V6NRFXVCYHZHKT5LG6/graph.json","fetch_events":"https://pith.science/api/pith-number/ZR2O6B44V6NRFXVCYHZHKT5LG6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6/action/storage_attestation","attest_author":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6/action/author_attestation","sign_citation":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6/action/citation_signature","submit_replication":"https://pith.science/pith/ZR2O6B44V6NRFXVCYHZHKT5LG6/action/replication_record"}},"created_at":"2026-05-18T03:20:09.129963+00:00","updated_at":"2026-05-18T03:20:09.129963+00:00"}