{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:UIOSHGXEMXUKPG43JZEV37QFXG","short_pith_number":"pith:UIOSHGXE","schema_version":"1.0","canonical_sha256":"a21d239ae465e8a79b9b4e495dfe05b9a55dd1b2bcfa835b526899f2b790f7c7","source":{"kind":"arxiv","id":"nucl-th/9906088","version":1},"attestation_state":"computed","paper":{"title":"Particle Freeze-out and Discontinuities in Relativistic Hydrodynamics","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"K. A. Bugaev, M. I. Gorenstein, W. Greiner","submitted_at":"1999-06-28T16:48:00Z","abstract_excerpt":"Freeze-out of particles in relativistic hydrodynamics is considered across a 3-dimensional space-time hypersurface. The conservation laws for time-like parts of the freeze-out hypersurface require different values of temperature, baryonic chemical potential and flow velocity in the fluid and in the final particle spectra. We analyze this freeze-out discontinuity and its connection to the shock-wave phenomena in relativistic hydrodynamics."},"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/9906088","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-th","submitted_at":"1999-06-28T16:48:00Z","cross_cats_sorted":[],"title_canon_sha256":"5bddde4099e57dad9e978b2e43a9d8f27867e53d77c0f22d5cf0c7b088963372","abstract_canon_sha256":"2f853c965881c11897073b8eff79e618a80595f0e77a007ddb08dea958316000"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:21:07.002267Z","signature_b64":"1Z47LtGA/WOy5gKiXa5V/i63y+Y/WILITvYco1dQVII11RQHm2uIf2p4m/TqYvTrO4oE1UxXi2vYpIbEYDSJCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a21d239ae465e8a79b9b4e495dfe05b9a55dd1b2bcfa835b526899f2b790f7c7","last_reissued_at":"2026-07-04T15:21:07.001917Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:21:07.001917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Particle Freeze-out and Discontinuities in Relativistic Hydrodynamics","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"K. A. Bugaev, M. I. Gorenstein, W. Greiner","submitted_at":"1999-06-28T16:48:00Z","abstract_excerpt":"Freeze-out of particles in relativistic hydrodynamics is considered across a 3-dimensional space-time hypersurface. The conservation laws for time-like parts of the freeze-out hypersurface require different values of temperature, baryonic chemical potential and flow velocity in the fluid and in the final particle spectra. We analyze this freeze-out discontinuity and its connection to the shock-wave phenomena in relativistic hydrodynamics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-th/9906088","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/9906088/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/9906088","created_at":"2026-07-04T15:21:07.001977+00:00"},{"alias_kind":"arxiv_version","alias_value":"nucl-th/9906088v1","created_at":"2026-07-04T15:21:07.001977+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-th/9906088","created_at":"2026-07-04T15:21:07.001977+00:00"},{"alias_kind":"pith_short_12","alias_value":"UIOSHGXEMXUK","created_at":"2026-07-04T15:21:07.001977+00:00"},{"alias_kind":"pith_short_16","alias_value":"UIOSHGXEMXUKPG43","created_at":"2026-07-04T15:21:07.001977+00:00"},{"alias_kind":"pith_short_8","alias_value":"UIOSHGXE","created_at":"2026-07-04T15:21:07.001977+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG","json":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG.json","graph_json":"https://pith.science/api/pith-number/UIOSHGXEMXUKPG43JZEV37QFXG/graph.json","events_json":"https://pith.science/api/pith-number/UIOSHGXEMXUKPG43JZEV37QFXG/events.json","paper":"https://pith.science/paper/UIOSHGXE"},"agent_actions":{"view_html":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG","download_json":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG.json","view_paper":"https://pith.science/paper/UIOSHGXE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=nucl-th/9906088&json=true","fetch_graph":"https://pith.science/api/pith-number/UIOSHGXEMXUKPG43JZEV37QFXG/graph.json","fetch_events":"https://pith.science/api/pith-number/UIOSHGXEMXUKPG43JZEV37QFXG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG/action/storage_attestation","attest_author":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG/action/author_attestation","sign_citation":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG/action/citation_signature","submit_replication":"https://pith.science/pith/UIOSHGXEMXUKPG43JZEV37QFXG/action/replication_record"}},"created_at":"2026-07-04T15:21:07.001977+00:00","updated_at":"2026-07-04T15:21:07.001977+00:00"}