{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:G3KBJEVSFDA5RX5WEKD6WBXQXL","short_pith_number":"pith:G3KBJEVS","canonical_record":{"source":{"id":"1303.1612","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-07T06:33:34Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"a524e38ddbf1dc9d7c104d440164523b2b6631dac0820cdaa71bf9d69ae4fa76","abstract_canon_sha256":"3b050e367bf9d2e299c075c1fbb86e72f21a1329de531677e5f08061f222af2a"},"schema_version":"1.0"},"canonical_sha256":"36d41492b228c1d8dfb62287eb06f0bae6bb29e327b51d5ba5b1811b20412771","source":{"kind":"arxiv","id":"1303.1612","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1612","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1612v1","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1612","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"G3KBJEVSFDA5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"G3KBJEVSFDA5RX5W","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"G3KBJEVS","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:G3KBJEVSFDA5RX5WEKD6WBXQXL","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1612","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-07T06:33:34Z","cross_cats_sorted":["hep-ph","nucl-th"],"title_canon_sha256":"a524e38ddbf1dc9d7c104d440164523b2b6631dac0820cdaa71bf9d69ae4fa76","abstract_canon_sha256":"3b050e367bf9d2e299c075c1fbb86e72f21a1329de531677e5f08061f222af2a"},"schema_version":"1.0"},"canonical_sha256":"36d41492b228c1d8dfb62287eb06f0bae6bb29e327b51d5ba5b1811b20412771","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:15.873104Z","signature_b64":"8cF+MXFpR1upbZ5ur4Hi7UHEjlM5SZ4yhgSXAF6+dwmlFAbt70TYJafaA+KHpHa0qSxQNikEnBPKpgD3zLjOCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36d41492b228c1d8dfb62287eb06f0bae6bb29e327b51d5ba5b1811b20412771","last_reissued_at":"2026-05-18T01:51:15.872342Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:15.872342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1612","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MIz9PwRVHNRib7wyUfYv7vpyM9pwgSR781Pe1YVn9SZogRbwBbjmj/JEmsBab0HmGPF6VwKk3CULNv6bY7KxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T16:10:09.788716Z"},"content_sha256":"f44a4c5e201efa702a08985e0dd4d61091726d745d072d9048b488e84224e799","schema_version":"1.0","event_id":"sha256:f44a4c5e201efa702a08985e0dd4d61091726d745d072d9048b488e84224e799"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:G3KBJEVSFDA5RX5WEKD6WBXQXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The effect of a density dependent bag constant on the structure of hot neutron star with a quark core","license":"http://creativecommons.org/licenses/publicdomain/","headline":"","cross_cats":["hep-ph","nucl-th"],"primary_cat":"astro-ph.SR","authors_text":"G. H. Bordbar, T. Yazdizadeh","submitted_at":"2013-03-07T06:33:34Z","abstract_excerpt":"As we go from center toward the surface of a neutron star, the state of baryonic matter changes from the de-confined quark-gluon to a mixed phase of quark and hadronic matter, and a thin crust of hadronic matter. For the quark matter, within MIT bag model, the total energy density of the system is the kinetic energy for non-interacting quarks plus a bag constant. In this article first we have considered a density dependent bag constant obtained using the recent experimental results of CERN SPS on the formation of a quark-gluon plasma. For calculations of the hadron phase, we use the lowest ord"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1612","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lcaCVhssowxyWrXY3YMyp9RwfBswVRtPLvb8BddwnkW+cVn6mujhk/98hioZaAG6eME4Lj1CvSNDB0S1/pKADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T16:10:09.789055Z"},"content_sha256":"a63be49c7cae6cbd9d2fb18315b55fafd975cb9e4d1fea5c0e1ce8c6ac3824aa","schema_version":"1.0","event_id":"sha256:a63be49c7cae6cbd9d2fb18315b55fafd975cb9e4d1fea5c0e1ce8c6ac3824aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/bundle.json","state_url":"https://pith.science/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-01T16:10:09Z","links":{"resolver":"https://pith.science/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL","bundle":"https://pith.science/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/bundle.json","state":"https://pith.science/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G3KBJEVSFDA5RX5WEKD6WBXQXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:G3KBJEVSFDA5RX5WEKD6WBXQXL","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":"3b050e367bf9d2e299c075c1fbb86e72f21a1329de531677e5f08061f222af2a","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-07T06:33:34Z","title_canon_sha256":"a524e38ddbf1dc9d7c104d440164523b2b6631dac0820cdaa71bf9d69ae4fa76"},"schema_version":"1.0","source":{"id":"1303.1612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1612","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1612v1","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1612","created_at":"2026-05-18T01:51:15Z"},{"alias_kind":"pith_short_12","alias_value":"G3KBJEVSFDA5","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"G3KBJEVSFDA5RX5W","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"G3KBJEVS","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:a63be49c7cae6cbd9d2fb18315b55fafd975cb9e4d1fea5c0e1ce8c6ac3824aa","target":"graph","created_at":"2026-05-18T01:51:15Z","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":"As we go from center toward the surface of a neutron star, the state of baryonic matter changes from the de-confined quark-gluon to a mixed phase of quark and hadronic matter, and a thin crust of hadronic matter. For the quark matter, within MIT bag model, the total energy density of the system is the kinetic energy for non-interacting quarks plus a bag constant. In this article first we have considered a density dependent bag constant obtained using the recent experimental results of CERN SPS on the formation of a quark-gluon plasma. For calculations of the hadron phase, we use the lowest ord","authors_text":"G. H. Bordbar, T. Yazdizadeh","cross_cats":["hep-ph","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-07T06:33:34Z","title":"The effect of a density dependent bag constant on the structure of hot neutron star with a quark core"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1612","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:f44a4c5e201efa702a08985e0dd4d61091726d745d072d9048b488e84224e799","target":"record","created_at":"2026-05-18T01:51:15Z","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":"3b050e367bf9d2e299c075c1fbb86e72f21a1329de531677e5f08061f222af2a","cross_cats_sorted":["hep-ph","nucl-th"],"license":"http://creativecommons.org/licenses/publicdomain/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-07T06:33:34Z","title_canon_sha256":"a524e38ddbf1dc9d7c104d440164523b2b6631dac0820cdaa71bf9d69ae4fa76"},"schema_version":"1.0","source":{"id":"1303.1612","kind":"arxiv","version":1}},"canonical_sha256":"36d41492b228c1d8dfb62287eb06f0bae6bb29e327b51d5ba5b1811b20412771","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36d41492b228c1d8dfb62287eb06f0bae6bb29e327b51d5ba5b1811b20412771","first_computed_at":"2026-05-18T01:51:15.872342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:15.872342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8cF+MXFpR1upbZ5ur4Hi7UHEjlM5SZ4yhgSXAF6+dwmlFAbt70TYJafaA+KHpHa0qSxQNikEnBPKpgD3zLjOCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:15.873104Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f44a4c5e201efa702a08985e0dd4d61091726d745d072d9048b488e84224e799","sha256:a63be49c7cae6cbd9d2fb18315b55fafd975cb9e4d1fea5c0e1ce8c6ac3824aa"],"state_sha256":"d4bf54b6b02d618a999ee41daa09e2017a93b53b2469e438e160930c9278c551"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cCygSKajsO/phSQc4roedA9RdDk9GazOH4/gDJxO2Ojw8RS0fC0Ncqm1c5eaUabBKGCrW8PMN/NOBwOfzKQLBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T16:10:09.790888Z","bundle_sha256":"6b5cea1bed4d717fae06acb132d9ff19987dd6be83c313f90b883a2ea61e976b"}}