{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZK7SQOKFQC74A5FHUCXRUC6JNS","short_pith_number":"pith:ZK7SQOKF","schema_version":"1.0","canonical_sha256":"cabf28394580bfc074a7a0af1a0bc96cb590c49ae7a2199fe35f6696e205c34e","source":{"kind":"arxiv","id":"1803.08854","version":1},"attestation_state":"computed","paper":{"title":"Flux-variational formulation of relativistic perfect fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Jes\\'us Mu\\~noz-D\\'iaz, Ricardo Alonso-Blanco","submitted_at":"2018-03-23T15:58:33Z","abstract_excerpt":"We give a variational formulation of perfect fluids on a general pseudoriemannian manifold by variating tangent fields according the flux produced by them. In this approach no constraints are needed. As a result, Euler and continuity equations are obtained quite directly."},"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":"1803.08854","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-03-23T15:58:33Z","cross_cats_sorted":[],"title_canon_sha256":"405ca6e7ce3ec6c254310158e71c5bdc4e735284cc09ec7d6a0fe9b531a091ff","abstract_canon_sha256":"465a5c3cf93acff9dbceb757cc5a3f19096c08f3b36d1a430212ab01b2fbf6a1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:18.378459Z","signature_b64":"h0ESoER7O5eGN+2wd1rrZ7FRUNgu+x5qDgH5dHRySgdRtBMNlqjQnbKtkj+Y8mGuZtRF8YRZQrJFk9hBTFS4CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cabf28394580bfc074a7a0af1a0bc96cb590c49ae7a2199fe35f6696e205c34e","last_reissued_at":"2026-05-18T00:20:18.377846Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:18.377846Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Flux-variational formulation of relativistic perfect fluids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Jes\\'us Mu\\~noz-D\\'iaz, Ricardo Alonso-Blanco","submitted_at":"2018-03-23T15:58:33Z","abstract_excerpt":"We give a variational formulation of perfect fluids on a general pseudoriemannian manifold by variating tangent fields according the flux produced by them. In this approach no constraints are needed. As a result, Euler and continuity equations are obtained quite directly."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.08854","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1803.08854","created_at":"2026-05-18T00:20:18.377928+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.08854v1","created_at":"2026-05-18T00:20:18.377928+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.08854","created_at":"2026-05-18T00:20:18.377928+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZK7SQOKFQC74","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZK7SQOKFQC74A5FH","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZK7SQOKF","created_at":"2026-05-18T12:33:07.085635+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/ZK7SQOKFQC74A5FHUCXRUC6JNS","json":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS.json","graph_json":"https://pith.science/api/pith-number/ZK7SQOKFQC74A5FHUCXRUC6JNS/graph.json","events_json":"https://pith.science/api/pith-number/ZK7SQOKFQC74A5FHUCXRUC6JNS/events.json","paper":"https://pith.science/paper/ZK7SQOKF"},"agent_actions":{"view_html":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS","download_json":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS.json","view_paper":"https://pith.science/paper/ZK7SQOKF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.08854&json=true","fetch_graph":"https://pith.science/api/pith-number/ZK7SQOKFQC74A5FHUCXRUC6JNS/graph.json","fetch_events":"https://pith.science/api/pith-number/ZK7SQOKFQC74A5FHUCXRUC6JNS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS/action/storage_attestation","attest_author":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS/action/author_attestation","sign_citation":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS/action/citation_signature","submit_replication":"https://pith.science/pith/ZK7SQOKFQC74A5FHUCXRUC6JNS/action/replication_record"}},"created_at":"2026-05-18T00:20:18.377928+00:00","updated_at":"2026-05-18T00:20:18.377928+00:00"}