{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:MJXD36IAEOQRDAXLWHPQTSD7YZ","short_pith_number":"pith:MJXD36IA","schema_version":"1.0","canonical_sha256":"626e3df90023a11182ebb1df09c87fc6710297faac1e7fb36fb822d3c0306ed9","source":{"kind":"arxiv","id":"1407.6733","version":3},"attestation_state":"computed","paper":{"title":"Period clustering of the anomalous X-ray pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"G.S. Bisnovatyi-Kogan, N.R. Ikhsanov","submitted_at":"2014-07-24T20:50:14Z","abstract_excerpt":"In this paper we address the question of why the observed periods of the Anomalous X-ray Pulsars (AXPs) and Soft Gamma-ray Repeaters (SGRs) are clustered in the range 2-12 s. We explore a possibility to answer this question assuming that AXPs and SGRs are the descendants of High Mass X-ray Binaries (HMXBs) which have been disintegrated in the core-collapse supernova explosion. The spin period of neutron stars in HMXBs evolves towards the equilibrium period, averaging around a few seconds. After the explosion of its massive companion, the neutron star turns out to be embedded into a dense gaseo"},"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":"1407.6733","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-24T20:50:14Z","cross_cats_sorted":[],"title_canon_sha256":"54b1815a3aa88375678dcfef7a6888e361660be492183fadd86e035c0d5b5bbb","abstract_canon_sha256":"d7132d24e270d67acbf173dadc90600690659839be434f3fd79b98f9e17d2692"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:22.876961Z","signature_b64":"HR1ht1elUI3hIS+7dj12/qNfcagXlibMGwIyi323I9VSHvpDKRuXdBWSRWUBfqv9Gu3lpgXkETCmRM3/7sFbCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"626e3df90023a11182ebb1df09c87fc6710297faac1e7fb36fb822d3c0306ed9","last_reissued_at":"2026-05-18T02:28:22.876283Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:22.876283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Period clustering of the anomalous X-ray pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"G.S. Bisnovatyi-Kogan, N.R. Ikhsanov","submitted_at":"2014-07-24T20:50:14Z","abstract_excerpt":"In this paper we address the question of why the observed periods of the Anomalous X-ray Pulsars (AXPs) and Soft Gamma-ray Repeaters (SGRs) are clustered in the range 2-12 s. We explore a possibility to answer this question assuming that AXPs and SGRs are the descendants of High Mass X-ray Binaries (HMXBs) which have been disintegrated in the core-collapse supernova explosion. The spin period of neutron stars in HMXBs evolves towards the equilibrium period, averaging around a few seconds. After the explosion of its massive companion, the neutron star turns out to be embedded into a dense gaseo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.6733","kind":"arxiv","version":3},"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":"1407.6733","created_at":"2026-05-18T02:28:22.876410+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.6733v3","created_at":"2026-05-18T02:28:22.876410+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.6733","created_at":"2026-05-18T02:28:22.876410+00:00"},{"alias_kind":"pith_short_12","alias_value":"MJXD36IAEOQR","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_16","alias_value":"MJXD36IAEOQRDAXL","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_8","alias_value":"MJXD36IA","created_at":"2026-05-18T12:28:38.356838+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/MJXD36IAEOQRDAXLWHPQTSD7YZ","json":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ.json","graph_json":"https://pith.science/api/pith-number/MJXD36IAEOQRDAXLWHPQTSD7YZ/graph.json","events_json":"https://pith.science/api/pith-number/MJXD36IAEOQRDAXLWHPQTSD7YZ/events.json","paper":"https://pith.science/paper/MJXD36IA"},"agent_actions":{"view_html":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ","download_json":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ.json","view_paper":"https://pith.science/paper/MJXD36IA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.6733&json=true","fetch_graph":"https://pith.science/api/pith-number/MJXD36IAEOQRDAXLWHPQTSD7YZ/graph.json","fetch_events":"https://pith.science/api/pith-number/MJXD36IAEOQRDAXLWHPQTSD7YZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ/action/storage_attestation","attest_author":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ/action/author_attestation","sign_citation":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ/action/citation_signature","submit_replication":"https://pith.science/pith/MJXD36IAEOQRDAXLWHPQTSD7YZ/action/replication_record"}},"created_at":"2026-05-18T02:28:22.876410+00:00","updated_at":"2026-05-18T02:28:22.876410+00:00"}