{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:D2VYTA5FLSXZHTEL7UCU6ZW2UB","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":"856ac0cb6a36653beb2a6e0d6f43ab5296e1afa1b50e862199279dbdbdd6ae17","cross_cats_sorted":["astro-ph.SR","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-28T12:48:27Z","title_canon_sha256":"b1659fa50b5bb49c3affff8759e4754411db098e8a8222c4ebd02a358583457e"},"schema_version":"1.0","source":{"id":"2103.15119","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.15119","created_at":"2026-07-05T03:08:27Z"},{"alias_kind":"arxiv_version","alias_value":"2103.15119v1","created_at":"2026-07-05T03:08:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.15119","created_at":"2026-07-05T03:08:27Z"},{"alias_kind":"pith_short_12","alias_value":"D2VYTA5FLSXZ","created_at":"2026-07-05T03:08:27Z"},{"alias_kind":"pith_short_16","alias_value":"D2VYTA5FLSXZHTEL","created_at":"2026-07-05T03:08:27Z"},{"alias_kind":"pith_short_8","alias_value":"D2VYTA5F","created_at":"2026-07-05T03:08:27Z"}],"graph_snapshots":[{"event_id":"sha256:7634f27c7c206c3622e9f23d0f6d7b307be61b59c8fbd9ab220ab32799df0685","target":"graph","created_at":"2026-07-05T03:08:27Z","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/2103.15119/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We perform a Bayesian analysis of the maximum mass $M_{\\rm TOV}$ of neutron stars with a quark core, incorporating the observational data from tidal deformability of the GW170817 binary neutron star merger as detected by LIGO/Virgo and the mass and radius of PSR J0030+0451 as detected by \\nicer. The analysis is performed under the assumption that the hadron-quark phase transition is of first order, where the low-density hadronic matter described in a unified manner by the soft QMF or the stiff DD2 equation of state (EOS) transforms into a high-density phase of quark matter modeled by the gener","authors_text":"Ang Li, Bing Zhang, Sophia Han, Zhiqiang Miao","cross_cats":["astro-ph.SR","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-28T12:48:27Z","title":"Constraints on the maximum mass of neutron stars with a quark core from GW170817 and NICER PSR J0030+0451 data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.15119","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:e48a5da1a8d510674bc906c1c43425e8ef0f1225aa54afa8eaa3374b4c63d7de","target":"record","created_at":"2026-07-05T03:08:27Z","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":"856ac0cb6a36653beb2a6e0d6f43ab5296e1afa1b50e862199279dbdbdd6ae17","cross_cats_sorted":["astro-ph.SR","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-28T12:48:27Z","title_canon_sha256":"b1659fa50b5bb49c3affff8759e4754411db098e8a8222c4ebd02a358583457e"},"schema_version":"1.0","source":{"id":"2103.15119","kind":"arxiv","version":1}},"canonical_sha256":"1eab8983a55caf93cc8bfd054f66daa051a01eb8ed5827e6b57a10a946468040","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1eab8983a55caf93cc8bfd054f66daa051a01eb8ed5827e6b57a10a946468040","first_computed_at":"2026-07-05T03:08:27.105936Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:08:27.105936Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cYe41ZgPDyY7Dq7vmRKOGmi87zWd8/RwDYvqUFo5l6c/CodNlpo3uMKIB4ftHQLCC7ypgducb32gFDSaYwBlBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:08:27.106436Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.15119","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e48a5da1a8d510674bc906c1c43425e8ef0f1225aa54afa8eaa3374b4c63d7de","sha256:7634f27c7c206c3622e9f23d0f6d7b307be61b59c8fbd9ab220ab32799df0685"],"state_sha256":"a72a58681f489b63338f2109b430ff9135f9e90d8ee2883d389543efdf221aa0"}