{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:OYR2LBKT72YHHKR7HYSHN4FFVX","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":"2421dda00d8f8f209d74fe92079f39313907bcd4789943d52e65c3d6ad5e46ed","cross_cats_sorted":["gr-qc","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-03-08T21:05:49Z","title_canon_sha256":"536eff15f8b45ce93a50afff087f4ae04726fbe72c6953e02e72a9e1e5cd1b06"},"schema_version":"1.0","source":{"id":"1603.02698","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02698","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02698v1","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02698","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"pith_short_12","alias_value":"OYR2LBKT72YH","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"OYR2LBKT72YHHKR7","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"OYR2LBKT","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:00a15da797b0bcbca4adedcf79be385e640ea3b2fd1f9c5112963955ade5453b","target":"graph","created_at":"2026-05-18T01:03:19Z","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":"We summarize our current knowledge of neutron star masses and radii. Recent instrumentation and computational advances have resulted in a rapid increase in the discovery rate and precise timing of radio pulsars in binaries in the last few years, leading to a large number of mass measurements. These discoveries show that the neutron star mass distribution is much wider than previously thought, with 3 known pulsars now firmly in the 1.9-2.0 Msun mass range. For radii, large, high quality datasets from X-ray satellites as well as significant progress in theoretical modeling led to considerable pr","authors_text":"Feryal Ozel, Paulo Freire","cross_cats":["gr-qc","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-03-08T21:05:49Z","title":"Masses, Radii, and Equation of State of Neutron Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02698","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:afd613a358731f30597dda7b4c80ee653d128057803c3f851a48844132972281","target":"record","created_at":"2026-05-18T01:03:19Z","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":"2421dda00d8f8f209d74fe92079f39313907bcd4789943d52e65c3d6ad5e46ed","cross_cats_sorted":["gr-qc","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-03-08T21:05:49Z","title_canon_sha256":"536eff15f8b45ce93a50afff087f4ae04726fbe72c6953e02e72a9e1e5cd1b06"},"schema_version":"1.0","source":{"id":"1603.02698","kind":"arxiv","version":1}},"canonical_sha256":"7623a58553feb073aa3f3e2476f0a5adec6f221a399f7321d2bf05c455df79a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7623a58553feb073aa3f3e2476f0a5adec6f221a399f7321d2bf05c455df79a9","first_computed_at":"2026-05-18T01:03:19.569126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:19.569126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NT4y89sOl3m26q0NtJZRWnjkM56bIe+93YmsVvxAX8W1CsOUZtlPe7aCVbm13tdArpcsPTBTbB8lrAImmsTdBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:19.569699Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02698","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afd613a358731f30597dda7b4c80ee653d128057803c3f851a48844132972281","sha256:00a15da797b0bcbca4adedcf79be385e640ea3b2fd1f9c5112963955ade5453b"],"state_sha256":"c3f71f3d30b924cb549303b71b7598c55888dfaaaa18ff7378ae9f80ab6c1500"}