{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:MQX4RQWJPMN2CKK4NWOXAJ4ZUP","short_pith_number":"pith:MQX4RQWJ","schema_version":"1.0","canonical_sha256":"642fc8c2c97b1ba1295c6d9d702799a3e72422e42739363add65bcc4cfd130d0","source":{"kind":"arxiv","id":"1507.02278","version":2},"attestation_state":"computed","paper":{"title":"Four-Hair Relations for Differentially Rotating Neutron Stars in the Weak-Field Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Joseph Bretz, Kent Yagi, Nicolas Yunes","submitted_at":"2015-07-08T20:00:23Z","abstract_excerpt":"The opportunity to study physics at supra-nuclear densities through X-ray observations of neutron stars has led to in-depth investigations of certain approximately universal relations that can remove degeneracies in pulse profile models. One such set of relations determines all of the multipole moments of a neutron star just from the first three (the mass monopole, the current dipole and the mass quadrupole moment) approximately independently of the equation of state. These three-hair relations were found to hold in neutron stars that rotate rigidly, as is the case in old pulsars, but neutron "},"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":"1507.02278","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-07-08T20:00:23Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"8eef6d32e833e23f1bacbfb1a89aa4eb4a00b9531b1e57066f88502ead15f737","abstract_canon_sha256":"e53ef5e628ef363a2292520fe512240e796164c1e919bbf2b94580df023711a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:28:54.045261Z","signature_b64":"71WU4e2KYKc+7npAu+dQrGXn1MGXUK0J81JrgP81UtTga7wq0RkR0HMCfuHGt+Co5kUNXqU3B7BVpQVeAMWpBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"642fc8c2c97b1ba1295c6d9d702799a3e72422e42739363add65bcc4cfd130d0","last_reissued_at":"2026-05-18T01:28:54.044647Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:28:54.044647Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Four-Hair Relations for Differentially Rotating Neutron Stars in the Weak-Field Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Joseph Bretz, Kent Yagi, Nicolas Yunes","submitted_at":"2015-07-08T20:00:23Z","abstract_excerpt":"The opportunity to study physics at supra-nuclear densities through X-ray observations of neutron stars has led to in-depth investigations of certain approximately universal relations that can remove degeneracies in pulse profile models. One such set of relations determines all of the multipole moments of a neutron star just from the first three (the mass monopole, the current dipole and the mass quadrupole moment) approximately independently of the equation of state. These three-hair relations were found to hold in neutron stars that rotate rigidly, as is the case in old pulsars, but neutron "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.02278","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":"1507.02278","created_at":"2026-05-18T01:28:54.044731+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.02278v2","created_at":"2026-05-18T01:28:54.044731+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.02278","created_at":"2026-05-18T01:28:54.044731+00:00"},{"alias_kind":"pith_short_12","alias_value":"MQX4RQWJPMN2","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"MQX4RQWJPMN2CKK4","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"MQX4RQWJ","created_at":"2026-05-18T12:29:32.376354+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/MQX4RQWJPMN2CKK4NWOXAJ4ZUP","json":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP.json","graph_json":"https://pith.science/api/pith-number/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/graph.json","events_json":"https://pith.science/api/pith-number/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/events.json","paper":"https://pith.science/paper/MQX4RQWJ"},"agent_actions":{"view_html":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP","download_json":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP.json","view_paper":"https://pith.science/paper/MQX4RQWJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.02278&json=true","fetch_graph":"https://pith.science/api/pith-number/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/graph.json","fetch_events":"https://pith.science/api/pith-number/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/action/storage_attestation","attest_author":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/action/author_attestation","sign_citation":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/action/citation_signature","submit_replication":"https://pith.science/pith/MQX4RQWJPMN2CKK4NWOXAJ4ZUP/action/replication_record"}},"created_at":"2026-05-18T01:28:54.044731+00:00","updated_at":"2026-05-18T01:28:54.044731+00:00"}