{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:EYYZ5TQKJX3VYP7G6BIRJTF2XB","short_pith_number":"pith:EYYZ5TQK","schema_version":"1.0","canonical_sha256":"26319ece0a4df75c3fe6f05114ccbab8732ee2b88de13a267f9a2bad02ff45a3","source":{"kind":"arxiv","id":"nucl-th/9504018","version":1},"attestation_state":"computed","paper":{"title":"Relativistic Hydrodynamics for Heavy--Ion Collisions -- I. General Aspects and Expansion into Vacuum","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Dirk H. Rischke, Joachim A. Maruhn, Stefan Bernard","submitted_at":"1995-04-19T19:02:22Z","abstract_excerpt":"We present algorithms to solve relativistic hydrodynamics in 3+1--dimensional situations without apparent symmetry to simplify the solution. In simulations of heavy--ion collisions, these numerical schemes have to deal with the physical vacuum and with equations of state with a first order phase transition between hadron matter and a quark--gluon plasma. We investigate their performance for the one--dimensional expansion of baryon-free nuclear matter into the vacuum, which is an analytically solvable test problem that incorporates both the aspect of the vacuum as well as that of a phase transi"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"nucl-th/9504018","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"1995-04-19T19:02:22Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"59733cbbb3c15e0d73fb11e1e0ffb244cac058bdcbe35d092fe8fcf309606c6a","abstract_canon_sha256":"13cb6db45d031d55019b81d67d64c5d5c49be80c4bb6bf98db18e0383a4cf75a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:59:50.946077Z","signature_b64":"5gfun2NxhSBjYesiOLw/SIKOpxo1XnwTawtXiyzfnmp+7ulWwIPn9Ii5qfPELz21Hvf2wQ5Yn40iEW0GaxK5CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26319ece0a4df75c3fe6f05114ccbab8732ee2b88de13a267f9a2bad02ff45a3","last_reissued_at":"2026-07-04T15:59:50.945667Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:59:50.945667Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relativistic Hydrodynamics for Heavy--Ion Collisions -- I. General Aspects and Expansion into Vacuum","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"Dirk H. Rischke, Joachim A. Maruhn, Stefan Bernard","submitted_at":"1995-04-19T19:02:22Z","abstract_excerpt":"We present algorithms to solve relativistic hydrodynamics in 3+1--dimensional situations without apparent symmetry to simplify the solution. In simulations of heavy--ion collisions, these numerical schemes have to deal with the physical vacuum and with equations of state with a first order phase transition between hadron matter and a quark--gluon plasma. We investigate their performance for the one--dimensional expansion of baryon-free nuclear matter into the vacuum, which is an analytically solvable test problem that incorporates both the aspect of the vacuum as well as that of a phase transi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9504018","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-th/9504018/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"nucl-th/9504018","created_at":"2026-07-04T15:59:50.945730+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9504018v1","created_at":"2026-07-04T15:59:50.945730+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9504018","created_at":"2026-07-04T15:59:50.945730+00:00"},{"alias_kind":"pith_short_12","alias_value":"EYYZ5TQKJX3V","created_at":"2026-07-04T15:59:50.945730+00:00"},{"alias_kind":"pith_short_16","alias_value":"EYYZ5TQKJX3VYP7G","created_at":"2026-07-04T15:59:50.945730+00:00"},{"alias_kind":"pith_short_8","alias_value":"EYYZ5TQK","created_at":"2026-07-04T15:59:50.945730+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.13333","citing_title":"Hadron polarization and equation of state at FAIR/RHIC-BES energies","ref_index":63,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB","json":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB.json","graph_json":"https://pith.science/api/pith-number/EYYZ5TQKJX3VYP7G6BIRJTF2XB/graph.json","events_json":"https://pith.science/api/pith-number/EYYZ5TQKJX3VYP7G6BIRJTF2XB/events.json","paper":"https://pith.science/paper/EYYZ5TQK"},"agent_actions":{"view_html":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB","download_json":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB.json","view_paper":"https://pith.science/paper/EYYZ5TQK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-th/9504018&json=true","fetch_graph":"https://pith.science/api/pith-number/EYYZ5TQKJX3VYP7G6BIRJTF2XB/graph.json","fetch_events":"https://pith.science/api/pith-number/EYYZ5TQKJX3VYP7G6BIRJTF2XB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB/action/storage_attestation","attest_author":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB/action/author_attestation","sign_citation":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB/action/citation_signature","submit_replication":"https://pith.science/pith/EYYZ5TQKJX3VYP7G6BIRJTF2XB/action/replication_record"}},"created_at":"2026-07-04T15:59:50.945730+00:00","updated_at":"2026-07-04T15:59:50.945730+00:00"}