{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:G6CU4BHAX3DYI7EGBGKAPBNCPF","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":"fa60de0e433875007bc9c7108c08a5fa36f5b15689752727c7c857fef60fc6ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-26T18:00:05Z","title_canon_sha256":"bb51e9510b2d935c54c799a3a73a48a933a4805b9dc8b7e5bfd374cd79619ca4"},"schema_version":"1.0","source":{"id":"1904.11995","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.11995","created_at":"2026-07-04T23:50:17Z"},{"alias_kind":"arxiv_version","alias_value":"1904.11995v2","created_at":"2026-07-04T23:50:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.11995","created_at":"2026-07-04T23:50:17Z"},{"alias_kind":"pith_short_12","alias_value":"G6CU4BHAX3DY","created_at":"2026-07-04T23:50:17Z"},{"alias_kind":"pith_short_16","alias_value":"G6CU4BHAX3DYI7EG","created_at":"2026-07-04T23:50:17Z"},{"alias_kind":"pith_short_8","alias_value":"G6CU4BHA","created_at":"2026-07-04T23:50:17Z"}],"graph_snapshots":[{"event_id":"sha256:17be42448b4097a5dbbd2a46e4bb671396ec7c9cbca82bb93eca30183a979cce","target":"graph","created_at":"2026-07-04T23:50:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1904.11995/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The electromagnetic (EM) signal of a binary neutron star (BNS) merger depends sensitively on the total binary mass, $M_{\\rm tot}$, relative to various threshold masses set by the neutron star (NS) equation-of-state (EOS), parameterized through the NS maximum mass, $M_{\\rm TOV}$, and characteristic radius, $R_{1.6}$. EM observations of a BNS merger detected through its gravitational wave (GW) emission, which are of sufficient quality to ascertain the identity of the merger remnant, can therefore constrain the values of $M_{\\rm TOV}$ and $R_{1.6}$, given the tight connection between $M_{\\rm tot}","authors_text":"Ben Margalit, Brian D. Metzger","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-26T18:00:05Z","title":"The Multi-Messenger Matrix: the Future of Neutron Star Merger Constraints on the Nuclear Equation of State"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.11995","kind":"arxiv","version":2},"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":"sha256:9b279c1c400a9ad5c7ac96c51c16ed816020911bcee264a9b70a247bf9ff62a0","target":"record","created_at":"2026-07-04T23:50:17Z","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":"fa60de0e433875007bc9c7108c08a5fa36f5b15689752727c7c857fef60fc6ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-04-26T18:00:05Z","title_canon_sha256":"bb51e9510b2d935c54c799a3a73a48a933a4805b9dc8b7e5bfd374cd79619ca4"},"schema_version":"1.0","source":{"id":"1904.11995","kind":"arxiv","version":2}},"canonical_sha256":"37854e04e0bec7847c8609940785a279677c3630ad70262e3a92817c07639dbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37854e04e0bec7847c8609940785a279677c3630ad70262e3a92817c07639dbf","first_computed_at":"2026-07-04T23:50:17.629012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:50:17.629012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G041hTqiWeVmPVH+jrsKZ6fTLTVhFH+I/HrGwx2pz48NLkz40DFv1YjOVnjSTn7RHEIlDBNi71EARHJfEx4YBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T23:50:17.629509Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.11995","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b279c1c400a9ad5c7ac96c51c16ed816020911bcee264a9b70a247bf9ff62a0","sha256:17be42448b4097a5dbbd2a46e4bb671396ec7c9cbca82bb93eca30183a979cce"],"state_sha256":"1491396934f89a067a39def7d2e4970696f497157f0ad21214a6dec027980022"}