{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:H6OSDJMUA2JY5YG7WN64SMIYMS","short_pith_number":"pith:H6OSDJMU","canonical_record":{"source":{"id":"1011.2233","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-09T23:20:31Z","cross_cats_sorted":[],"title_canon_sha256":"167311f69c4244467d58f35764afd91978cd7d6b88ba7f5924f4ec678ad417c0","abstract_canon_sha256":"a06d7eb52d0d94cdde65b1d03776c52492aead43dd7785ff8aadb5b4fd1d683f"},"schema_version":"1.0"},"canonical_sha256":"3f9d21a59406938ee0dfb37dc9311864b0473b1c19004bacd76de86c0d22c97a","source":{"kind":"arxiv","id":"1011.2233","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2233","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2233v3","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2233","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"pith_short_12","alias_value":"H6OSDJMUA2JY","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H6OSDJMUA2JY5YG7","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H6OSDJMU","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:H6OSDJMUA2JY5YG7WN64SMIYMS","target":"record","payload":{"canonical_record":{"source":{"id":"1011.2233","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-09T23:20:31Z","cross_cats_sorted":[],"title_canon_sha256":"167311f69c4244467d58f35764afd91978cd7d6b88ba7f5924f4ec678ad417c0","abstract_canon_sha256":"a06d7eb52d0d94cdde65b1d03776c52492aead43dd7785ff8aadb5b4fd1d683f"},"schema_version":"1.0"},"canonical_sha256":"3f9d21a59406938ee0dfb37dc9311864b0473b1c19004bacd76de86c0d22c97a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:54:39.558407Z","signature_b64":"48/LFftL6ff7MCEFq6qd39VhL7i1YrKDeMBOkbycvEDHufj0JOWwskMMp2dKvKne4VnBanmGCzjtbcH4GhP8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f9d21a59406938ee0dfb37dc9311864b0473b1c19004bacd76de86c0d22c97a","last_reissued_at":"2026-05-18T03:54:39.557810Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:54:39.557810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.2233","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:54:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yAavwv3NlTEx0kDaG9qD6qRXMRPzfYwx+w34gQpkxGkPJw3EA3k/55UZccsrb8PG36wAconU+dIYah/ownwKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:29:16.903941Z"},"content_sha256":"43f7b64da1fd3d8f9c59dcc1df5d8c7d6d0f2b2f37ce394d8f510434cd140edf","schema_version":"1.0","event_id":"sha256:43f7b64da1fd3d8f9c59dcc1df5d8c7d6d0f2b2f37ce394d8f510434cd140edf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:H6OSDJMUA2JY5YG7WN64SMIYMS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quark core impact on hybrid star cooling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"R. Negreiros, S. Schramm, V. Dexheimer","submitted_at":"2010-11-09T23:20:31Z","abstract_excerpt":"In this paper we investigate the thermal evolution of hybrid stars, objects composed of a quark matter core, enveloped by ordinary hadronic matter. Our purpose is to investigate how important are the microscopic properties of the quark core to the thermal evolution of the star. In order to do that we use a simple MIT bag model for the quark core, and a relativistic mean field model for the hadronic envelope. By choosing different values for the microscopic parameters (bag constant, strange quark mass, strong coupling constant) we obtain hybrid stars with different quark core properties. We als"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2233","kind":"arxiv","version":3},"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":"2026-05-18T03:54:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"efadVtGQIudIoqw8hPj6J6d+kyhgsRLofQBGdkXnHXfuE4Cw2JclewPKq1k2ZbqZlq+ZSy40EwzgAEq55X3xBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T22:29:16.904333Z"},"content_sha256":"d30c2e877cb4d3486c9277479318c3a32249cc9b3b695dcfa80b081444ef70e5","schema_version":"1.0","event_id":"sha256:d30c2e877cb4d3486c9277479318c3a32249cc9b3b695dcfa80b081444ef70e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/bundle.json","state_url":"https://pith.science/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/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":"2026-05-29T22:29:16Z","links":{"resolver":"https://pith.science/pith/H6OSDJMUA2JY5YG7WN64SMIYMS","bundle":"https://pith.science/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/bundle.json","state":"https://pith.science/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6OSDJMUA2JY5YG7WN64SMIYMS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:H6OSDJMUA2JY5YG7WN64SMIYMS","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":"a06d7eb52d0d94cdde65b1d03776c52492aead43dd7785ff8aadb5b4fd1d683f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-09T23:20:31Z","title_canon_sha256":"167311f69c4244467d58f35764afd91978cd7d6b88ba7f5924f4ec678ad417c0"},"schema_version":"1.0","source":{"id":"1011.2233","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.2233","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"arxiv_version","alias_value":"1011.2233v3","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.2233","created_at":"2026-05-18T03:54:39Z"},{"alias_kind":"pith_short_12","alias_value":"H6OSDJMUA2JY","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"H6OSDJMUA2JY5YG7","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"H6OSDJMU","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:d30c2e877cb4d3486c9277479318c3a32249cc9b3b695dcfa80b081444ef70e5","target":"graph","created_at":"2026-05-18T03:54:39Z","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 we investigate the thermal evolution of hybrid stars, objects composed of a quark matter core, enveloped by ordinary hadronic matter. Our purpose is to investigate how important are the microscopic properties of the quark core to the thermal evolution of the star. In order to do that we use a simple MIT bag model for the quark core, and a relativistic mean field model for the hadronic envelope. By choosing different values for the microscopic parameters (bag constant, strange quark mass, strong coupling constant) we obtain hybrid stars with different quark core properties. We als","authors_text":"R. Negreiros, S. Schramm, V. Dexheimer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-09T23:20:31Z","title":"Quark core impact on hybrid star cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.2233","kind":"arxiv","version":3},"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":"sha256:43f7b64da1fd3d8f9c59dcc1df5d8c7d6d0f2b2f37ce394d8f510434cd140edf","target":"record","created_at":"2026-05-18T03:54:39Z","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":"a06d7eb52d0d94cdde65b1d03776c52492aead43dd7785ff8aadb5b4fd1d683f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-11-09T23:20:31Z","title_canon_sha256":"167311f69c4244467d58f35764afd91978cd7d6b88ba7f5924f4ec678ad417c0"},"schema_version":"1.0","source":{"id":"1011.2233","kind":"arxiv","version":3}},"canonical_sha256":"3f9d21a59406938ee0dfb37dc9311864b0473b1c19004bacd76de86c0d22c97a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f9d21a59406938ee0dfb37dc9311864b0473b1c19004bacd76de86c0d22c97a","first_computed_at":"2026-05-18T03:54:39.557810Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:54:39.557810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"48/LFftL6ff7MCEFq6qd39VhL7i1YrKDeMBOkbycvEDHufj0JOWwskMMp2dKvKne4VnBanmGCzjtbcH4GhP8DA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:54:39.558407Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.2233","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43f7b64da1fd3d8f9c59dcc1df5d8c7d6d0f2b2f37ce394d8f510434cd140edf","sha256:d30c2e877cb4d3486c9277479318c3a32249cc9b3b695dcfa80b081444ef70e5"],"state_sha256":"7546d53b9369a4c5111c310cabf02aa2cef4067fe1c79ee6569efcc20291b506"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jaWUHeF/F922y9fNAYSJ9/1+SCsczaLDn44Jlbkxb3Ut2if7EeJl4dxIVgjGr4++XsIZNhk69ZGiCxkXBw68Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T22:29:16.907636Z","bundle_sha256":"bcd72250062691e5cc1bf61e4df3dcece990b721eabf89521288a32de46a80c1"}}