{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VGCKSAMRFZU5ILPD4FSDVBGH3F","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":"db5cb6856aac3297d16e2a7fb2a0aa427dfe988129cf4ddc84aa49e188e923b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-25T16:56:26Z","title_canon_sha256":"98c4b8ad86d784bdfb16aa8a924166f3d70bc0c2f56a61cd94b1a07102826b66"},"schema_version":"1.0","source":{"id":"1101.4872","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.4872","created_at":"2026-05-18T02:03:22Z"},{"alias_kind":"arxiv_version","alias_value":"1101.4872v1","created_at":"2026-05-18T02:03:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.4872","created_at":"2026-05-18T02:03:22Z"},{"alias_kind":"pith_short_12","alias_value":"VGCKSAMRFZU5","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VGCKSAMRFZU5ILPD","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VGCKSAMR","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:72116482eeaef838fe0e3fb24108d86a886315283d06655dcda2c72c8239a13b","target":"graph","created_at":"2026-05-18T02:03:22Z","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":"The distribution of masses for neutron stars is analyzed using the Bayesian statistical inference, evaluating the likelihood of proposed gaussian peaks by using fifty-four measured points obtained in a variety of systems. The results strongly suggest the existence of a bimodal distribution of the masses, with the first peak around $1.37 {M_{\\odot}}$, and a much wider second peak at $1.73 {M_{\\odot}}$. The results support earlier views related to the different evolutionary histories of the members for the first two peaks, which produces a natural separation (even if no attempt to \"label\" the sy","authors_text":"Brazil), E. Rangel, J.E. Horvath (IAG-USP, R.Valentim, Sao Paulo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-25T16:56:26Z","title":"On the mass distribution of neutron stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.4872","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":"sha256:3a7933e6f7755f8bf45d6570fcdf9749d47a06399ace5effe72dc29006e3b78e","target":"record","created_at":"2026-05-18T02:03:22Z","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":"db5cb6856aac3297d16e2a7fb2a0aa427dfe988129cf4ddc84aa49e188e923b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-01-25T16:56:26Z","title_canon_sha256":"98c4b8ad86d784bdfb16aa8a924166f3d70bc0c2f56a61cd94b1a07102826b66"},"schema_version":"1.0","source":{"id":"1101.4872","kind":"arxiv","version":1}},"canonical_sha256":"a984a901912e69d42de3e1643a84c7d9623d704d60c24ec9bdb8ca7b3d436636","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a984a901912e69d42de3e1643a84c7d9623d704d60c24ec9bdb8ca7b3d436636","first_computed_at":"2026-05-18T02:03:22.373744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:22.373744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MTXVj8o1U7xtqhzK0rTXnaNpOYwK6MCPxtk2K/4X9KVVvpp+iY7/o2CcXj3cai4TqnMgSKbMRrYT+2qxeE++Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:22.374443Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.4872","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a7933e6f7755f8bf45d6570fcdf9749d47a06399ace5effe72dc29006e3b78e","sha256:72116482eeaef838fe0e3fb24108d86a886315283d06655dcda2c72c8239a13b"],"state_sha256":"90d1ff16aedc4b6d5e47e738895f462fd1028d68467f819d2a7a2d775f77fb95"}