{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ETG64DWDXQAWTRISY3WB4A26HU","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f9f8dce0da7fdceb57ee2cf8be17509045f2231f25ceb5dadd42d77044b3501f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-20T04:13:31Z","title_canon_sha256":"193feee722e5cd0e3776cc86b55242104cb5e2b7acd56b83a13c8a9495229721"},"schema_version":"1.0","source":{"id":"1507.05381","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.05381","created_at":"2026-05-18T01:35:44Z"},{"alias_kind":"arxiv_version","alias_value":"1507.05381v1","created_at":"2026-05-18T01:35:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.05381","created_at":"2026-05-18T01:35:44Z"},{"alias_kind":"pith_short_12","alias_value":"ETG64DWDXQAW","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"ETG64DWDXQAWTRIS","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"ETG64DWD","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:fd9966dafa29023b49e51f9de74e911d674c84b54b76455e01ce15b5a4d79547","target":"graph","created_at":"2026-05-18T01:35:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Central compact objects (CCOs) are a handful of young neutron stars found at the center of supernova remnants (SNRs). They show high thermal X-ray luminosities but no radio emission. Spin-down rate measurements of the three CCOs with X-ray pulsations indicate surface dipole fields much weaker than those of typical young pulsars. To investigate if CCOs and known radio pulsars are objects at different evolutionary stages, we carried out a census of all weak-field (<1e11 G) isolated radio pulsars in the Galactic plane to search for CCO-like X-ray emission. None of the 12 candidates is detected at","authors_text":"C. He, C.-Y. Ng, J. Luo, S. Bogdanov, V. M. Kaspi, W. C. G. Ho","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-20T04:13:31Z","title":"Hunting for Orphaned Central Compact Objects among Radio Pulsars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.05381","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:de335a385ecfa16c4fb1d067650e7fabe622c1538c2837c8c3661793b7f6ed05","target":"record","created_at":"2026-05-18T01:35:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f9f8dce0da7fdceb57ee2cf8be17509045f2231f25ceb5dadd42d77044b3501f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-07-20T04:13:31Z","title_canon_sha256":"193feee722e5cd0e3776cc86b55242104cb5e2b7acd56b83a13c8a9495229721"},"schema_version":"1.0","source":{"id":"1507.05381","kind":"arxiv","version":1}},"canonical_sha256":"24cdee0ec3bc0169c512c6ec1e035e3d2be813952da9e7aa450d29cc01eb35f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24cdee0ec3bc0169c512c6ec1e035e3d2be813952da9e7aa450d29cc01eb35f4","first_computed_at":"2026-05-18T01:35:44.508011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:44.508011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NYe6mhGZ3b0JnHqMA988Lx4xjsOp4BpWBl6EGlDstXclX7aAlPz/t3rNYZ0yVGdlB80563LraXqqSvIr/8BpBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:44.508640Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.05381","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de335a385ecfa16c4fb1d067650e7fabe622c1538c2837c8c3661793b7f6ed05","sha256:fd9966dafa29023b49e51f9de74e911d674c84b54b76455e01ce15b5a4d79547"],"state_sha256":"2fe8a6d946bd8dadcfc6d8ace10ac0717559bb35cb272700debac9cb6c1e32cb"}