{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:EKOUIQTTVSWGFZI5NZW76UMLXQ","short_pith_number":"pith:EKOUIQTT","schema_version":"1.0","canonical_sha256":"229d444273acac62e51d6e6dff518bbc2408975c830817a257046dfb0d3c04a4","source":{"kind":"arxiv","id":"1308.0077","version":1},"attestation_state":"computed","paper":{"title":"An evolution of adiabatic matter: A case for the quasistatic regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"W. Barreto (ULA)","submitted_at":"2013-08-01T01:58:42Z","abstract_excerpt":"We establish the connection between the standard ADM 3+1 treatment of matter with its characteristic equivalent, in the context of spherical symmetry. The flux-conservative rendition of the fluid equations are obtained. Considering adiabatic distributions of perfect fluid, we evolve the system using the so-called post-quasi-static approximation in radiation coordinates. We obtain an adiabatic matter evolution in the quasi-static regime or slow motion, which is not shear-free nor geodesic."},"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":"1308.0077","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-08-01T01:58:42Z","cross_cats_sorted":[],"title_canon_sha256":"1ed4fc0b5275c8da34a09fdf21f8fecdc4ae928d7fc326d7bac792ca06eb6748","abstract_canon_sha256":"81def8ff93b86c2d43d3f7315bfc09e370ce4af555fd676a83c90e72c7fabc1d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:31.911227Z","signature_b64":"Mwy2Ub4hEVwih8kcTnwCJY/djqFK+rh9Rk7wEJFmhSO94C2fnjLi5oejElcqaUVaSeBGfLXoyvNksVkVlAsqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"229d444273acac62e51d6e6dff518bbc2408975c830817a257046dfb0d3c04a4","last_reissued_at":"2026-05-18T01:48:31.910528Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:31.910528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An evolution of adiabatic matter: A case for the quasistatic regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"W. Barreto (ULA)","submitted_at":"2013-08-01T01:58:42Z","abstract_excerpt":"We establish the connection between the standard ADM 3+1 treatment of matter with its characteristic equivalent, in the context of spherical symmetry. The flux-conservative rendition of the fluid equations are obtained. Considering adiabatic distributions of perfect fluid, we evolve the system using the so-called post-quasi-static approximation in radiation coordinates. We obtain an adiabatic matter evolution in the quasi-static regime or slow motion, which is not shear-free nor geodesic."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.0077","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":"1308.0077","created_at":"2026-05-18T01:48:31.910633+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.0077v1","created_at":"2026-05-18T01:48:31.910633+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.0077","created_at":"2026-05-18T01:48:31.910633+00:00"},{"alias_kind":"pith_short_12","alias_value":"EKOUIQTTVSWG","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"EKOUIQTTVSWGFZI5","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"EKOUIQTT","created_at":"2026-05-18T12:27:43.054852+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/EKOUIQTTVSWGFZI5NZW76UMLXQ","json":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ.json","graph_json":"https://pith.science/api/pith-number/EKOUIQTTVSWGFZI5NZW76UMLXQ/graph.json","events_json":"https://pith.science/api/pith-number/EKOUIQTTVSWGFZI5NZW76UMLXQ/events.json","paper":"https://pith.science/paper/EKOUIQTT"},"agent_actions":{"view_html":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ","download_json":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ.json","view_paper":"https://pith.science/paper/EKOUIQTT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.0077&json=true","fetch_graph":"https://pith.science/api/pith-number/EKOUIQTTVSWGFZI5NZW76UMLXQ/graph.json","fetch_events":"https://pith.science/api/pith-number/EKOUIQTTVSWGFZI5NZW76UMLXQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ/action/storage_attestation","attest_author":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ/action/author_attestation","sign_citation":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ/action/citation_signature","submit_replication":"https://pith.science/pith/EKOUIQTTVSWGFZI5NZW76UMLXQ/action/replication_record"}},"created_at":"2026-05-18T01:48:31.910633+00:00","updated_at":"2026-05-18T01:48:31.910633+00:00"}