{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LM2KQRLA722XS7UZXBWDXY4ADH","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":"da152982fe54bee37f87fe144845ad6c227e459f2a36f9e45da47163ca65f3e8","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-08-30T08:20:24Z","title_canon_sha256":"6b70815f7c03e4bcbb2409321a24324e9515e309c326d90138825b01e23e49a6"},"schema_version":"1.0","source":{"id":"1008.5019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.5019","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"arxiv_version","alias_value":"1008.5019v1","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.5019","created_at":"2026-05-18T02:33:08Z"},{"alias_kind":"pith_short_12","alias_value":"LM2KQRLA722X","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LM2KQRLA722XS7UZ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LM2KQRLA","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:f5878b1a1da24dd2bf690c0147a15d8f58552425121c21c1c60566bcad8f28e1","target":"graph","created_at":"2026-05-18T02:33:08Z","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":"In this paper, incorporating the property of the vacuum negative pressure, namely, the bag constant, we presented a new model of the equation of state (EOS) of quark matter at finite chemical potential and zero temperature. By comparing our EOS with Fraga {\\it et~al.}'s EOS and SQM1 model, one find that our EOS is softer than Fraga {\\it et~al.}'s EOS and SQM1 model. The reason for this difference is analyzed. With these results we investigate the structure of quark star. A comparison between our model of quark star and other models is made. The obtained mass of quark star is $ 1.3 \\sim 1.66 M_","authors_text":"Hong-shi Zong, Hua Li, Xin-lian Luo","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-08-30T08:20:24Z","title":"Bag model and quark star"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.5019","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":"sha256:070fa553bfd10166851651ef3b6a9fe38207a0f216ec116c0b75dd2b5fe7c42f","target":"record","created_at":"2026-05-18T02:33:08Z","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":"da152982fe54bee37f87fe144845ad6c227e459f2a36f9e45da47163ca65f3e8","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-08-30T08:20:24Z","title_canon_sha256":"6b70815f7c03e4bcbb2409321a24324e9515e309c326d90138825b01e23e49a6"},"schema_version":"1.0","source":{"id":"1008.5019","kind":"arxiv","version":1}},"canonical_sha256":"5b34a84560feb5797e99b86c3be38019f4ae755bcab1b160cac2b478f4c52b96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b34a84560feb5797e99b86c3be38019f4ae755bcab1b160cac2b478f4c52b96","first_computed_at":"2026-05-18T02:33:08.215868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:08.215868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZZL+twb9RkXnZBlaJv6Sy4CFoc6vjh5r/7qkzL52PelIZUnTG2Dh+g8ZFwRN3HFpipmUJf85vFU3MwwzhdvXCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:08.216305Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.5019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:070fa553bfd10166851651ef3b6a9fe38207a0f216ec116c0b75dd2b5fe7c42f","sha256:f5878b1a1da24dd2bf690c0147a15d8f58552425121c21c1c60566bcad8f28e1"],"state_sha256":"7bff161abc68cb3c41f3859a0a77d497bd35a27c0f5c07348703f18a9c582e31"}