{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4DNZDP63RTY6DOYVTGWDBDOH7L","short_pith_number":"pith:4DNZDP63","canonical_record":{"source":{"id":"1306.0989","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T05:41:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"d40e906ba040cbb68e1dd65a4e925f8ca90d07aa57407bff05989c3c204ff39f","abstract_canon_sha256":"cde4179f6c4ec78f1ffa388c657d2b992e11557dd51c6572c70fbda5d54d63e4"},"schema_version":"1.0"},"canonical_sha256":"e0db91bfdb8cf1e1bb1599ac308dc7fadba29c21b46e4b5c64c1ba4d56001b2e","source":{"kind":"arxiv","id":"1306.0989","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0989","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0989v2","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0989","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"4DNZDP63RTY6","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4DNZDP63RTY6DOYV","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4DNZDP63","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4DNZDP63RTY6DOYVTGWDBDOH7L","target":"record","payload":{"canonical_record":{"source":{"id":"1306.0989","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T05:41:15Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"d40e906ba040cbb68e1dd65a4e925f8ca90d07aa57407bff05989c3c204ff39f","abstract_canon_sha256":"cde4179f6c4ec78f1ffa388c657d2b992e11557dd51c6572c70fbda5d54d63e4"},"schema_version":"1.0"},"canonical_sha256":"e0db91bfdb8cf1e1bb1599ac308dc7fadba29c21b46e4b5c64c1ba4d56001b2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:07.853188Z","signature_b64":"ysGPriHvhDGFxNtKMZFeNjkLjA/A8i7iAEuwPlRjqSfH/TXdTU7AD6AH8rwD9vxpXu59mkHGe5xNOo2FjPtBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0db91bfdb8cf1e1bb1599ac308dc7fadba29c21b46e4b5c64c1ba4d56001b2e","last_reissued_at":"2026-05-18T03:18:07.852517Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:07.852517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.0989","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ydVe8Ffz4E4XqY0VljLdoKq4capeYiN51HU24NQ3a7QtiBgPwgPSER5dkm8/+BDTRT48KC8+8JRi4x+dah3CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:01:35.930203Z"},"content_sha256":"0a8335347424be88baba14457818288ebf390310397f971ef069f6fce65540e6","schema_version":"1.0","event_id":"sha256:0a8335347424be88baba14457818288ebf390310397f971ef069f6fce65540e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4DNZDP63RTY6DOYVTGWDBDOH7L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Hybrid Stars in Quark-Hadron Approaches","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.SR","authors_text":"J. Steinheimer, R. Negreiros, S. Schramm, T. Sch\\\"urhoff, V. Dexheimer","submitted_at":"2013-06-05T05:41:15Z","abstract_excerpt":"The study of neutron stars, or more general compact stars, is a topic of central interest in nuclear astrophysics. Furthermore, neutron stars serve as the only physical systems whose properties can be used to infer information on cold and dense matter at several times nuclear saturation density. Therefore, neutron star physics is ideally suited to complement the studies of ultra-relativistic heavy-ion collisions that sample strongly interacting matter at high temperature and relatively small net baryon density.\n  In general, in order to pin down or at least constrain the properties of dense ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0989","kind":"arxiv","version":2},"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":"2026-05-18T03:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozQCtpMTGfRo96sP/geXsDzAE5SELMB/65wIC/HRn3yqY9FB5RPnuBvN3a09ffgrO0ivoUUPWAcE8uIvUCdfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:01:35.930563Z"},"content_sha256":"26f61fd1ee608280c32064a8881dac93e65bf057e3e12c3d5054b4aed7abe2c1","schema_version":"1.0","event_id":"sha256:26f61fd1ee608280c32064a8881dac93e65bf057e3e12c3d5054b4aed7abe2c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/bundle.json","state_url":"https://pith.science/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/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":"2026-05-30T06:01:35Z","links":{"resolver":"https://pith.science/pith/4DNZDP63RTY6DOYVTGWDBDOH7L","bundle":"https://pith.science/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/bundle.json","state":"https://pith.science/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4DNZDP63RTY6DOYVTGWDBDOH7L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4DNZDP63RTY6DOYVTGWDBDOH7L","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":"cde4179f6c4ec78f1ffa388c657d2b992e11557dd51c6572c70fbda5d54d63e4","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T05:41:15Z","title_canon_sha256":"d40e906ba040cbb68e1dd65a4e925f8ca90d07aa57407bff05989c3c204ff39f"},"schema_version":"1.0","source":{"id":"1306.0989","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.0989","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"1306.0989v2","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.0989","created_at":"2026-05-18T03:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"4DNZDP63RTY6","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"4DNZDP63RTY6DOYV","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"4DNZDP63","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:26f61fd1ee608280c32064a8881dac93e65bf057e3e12c3d5054b4aed7abe2c1","target":"graph","created_at":"2026-05-18T03:18:07Z","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":"The study of neutron stars, or more general compact stars, is a topic of central interest in nuclear astrophysics. Furthermore, neutron stars serve as the only physical systems whose properties can be used to infer information on cold and dense matter at several times nuclear saturation density. Therefore, neutron star physics is ideally suited to complement the studies of ultra-relativistic heavy-ion collisions that sample strongly interacting matter at high temperature and relatively small net baryon density.\n  In general, in order to pin down or at least constrain the properties of dense ma","authors_text":"J. Steinheimer, R. Negreiros, S. Schramm, T. Sch\\\"urhoff, V. Dexheimer","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T05:41:15Z","title":"Modeling Hybrid Stars in Quark-Hadron Approaches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.0989","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":"sha256:0a8335347424be88baba14457818288ebf390310397f971ef069f6fce65540e6","target":"record","created_at":"2026-05-18T03:18:07Z","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":"cde4179f6c4ec78f1ffa388c657d2b992e11557dd51c6572c70fbda5d54d63e4","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-06-05T05:41:15Z","title_canon_sha256":"d40e906ba040cbb68e1dd65a4e925f8ca90d07aa57407bff05989c3c204ff39f"},"schema_version":"1.0","source":{"id":"1306.0989","kind":"arxiv","version":2}},"canonical_sha256":"e0db91bfdb8cf1e1bb1599ac308dc7fadba29c21b46e4b5c64c1ba4d56001b2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0db91bfdb8cf1e1bb1599ac308dc7fadba29c21b46e4b5c64c1ba4d56001b2e","first_computed_at":"2026-05-18T03:18:07.852517Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:07.852517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ysGPriHvhDGFxNtKMZFeNjkLjA/A8i7iAEuwPlRjqSfH/TXdTU7AD6AH8rwD9vxpXu59mkHGe5xNOo2FjPtBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:07.853188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.0989","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a8335347424be88baba14457818288ebf390310397f971ef069f6fce65540e6","sha256:26f61fd1ee608280c32064a8881dac93e65bf057e3e12c3d5054b4aed7abe2c1"],"state_sha256":"c62bed0b54b90834c3e695a7d28ce0e2baa4f53c016b047cd1d61172a7cd0cad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7DpwHr+hYPRIG/Abr3d8IiC5Y9GqPLut9Ku8HvQrFV5nARbEABb9vot6VEWMmyEq4Ns4mSbuxHnXxuKiB4lbBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:01:35.932528Z","bundle_sha256":"c6a1dce665e00578d6292b9fa2b943d8f33dd4f8173867b0c049674dabfe9675"}}