{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:LWVLGUXO5KNLP326XWLABPRWOF","short_pith_number":"pith:LWVLGUXO","schema_version":"1.0","canonical_sha256":"5daab352eeea9ab7ef5ebd9600be36714e02ca4f9a2c11d4c74111942e328a14","source":{"kind":"arxiv","id":"astro-ph/9801117","version":3},"attestation_state":"computed","paper":{"title":"Axially Symmetric Cosmological Models with Perfect Fluid and Cosmological Constant","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Paulo Aguiar, Paulo Crawford","submitted_at":"1998-01-13T14:56:50Z","abstract_excerpt":"Following recent considerations of a non-zero value for the vacuum energy density and the realization that a simple Kantowski-Sachs model might fit the classical tests of cosmology, we study the qualitative behavior of three anisotropic and homogeneous models: Kantowski-Sachs, Bianchi I and Bianchi III universes, with dust and cosmological constant, in order to find out which are physically permitted. In fact, these models undergo isotropisation, except for the Kantowski-Sachs model (Omega_{k_{0}}>0) with Omega_{Lambda_{0}}< Omega_{Lambda_{M}} and for the Bianchi III (Omega_{k_{0}}<0) with Ome"},"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":"astro-ph/9801117","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-01-13T14:56:50Z","cross_cats_sorted":[],"title_canon_sha256":"bab5b2e6e57a18d3800c4edddf3b48b377f727b191cb9ad8b48950cf3046ceb7","abstract_canon_sha256":"ac6d9e43f0a3afa9cb85ceaffabb9347f5ca94ca334c1f8fd8a694f2899e6747"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:26.403522Z","signature_b64":"bgI6b9mn4duSuZO8bAP8ch/NhwNX8KvnbW9HinNfVB7j2b9ujrPuH1a92CUUPD93P8pIV7qBfaY4CUM11BSnDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5daab352eeea9ab7ef5ebd9600be36714e02ca4f9a2c11d4c74111942e328a14","last_reissued_at":"2026-05-18T04:24:26.402991Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:26.402991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Axially Symmetric Cosmological Models with Perfect Fluid and Cosmological Constant","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Paulo Aguiar, Paulo Crawford","submitted_at":"1998-01-13T14:56:50Z","abstract_excerpt":"Following recent considerations of a non-zero value for the vacuum energy density and the realization that a simple Kantowski-Sachs model might fit the classical tests of cosmology, we study the qualitative behavior of three anisotropic and homogeneous models: Kantowski-Sachs, Bianchi I and Bianchi III universes, with dust and cosmological constant, in order to find out which are physically permitted. In fact, these models undergo isotropisation, except for the Kantowski-Sachs model (Omega_{k_{0}}>0) with Omega_{Lambda_{0}}< Omega_{Lambda_{M}} and for the Bianchi III (Omega_{k_{0}}<0) with Ome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9801117","kind":"arxiv","version":3},"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":"astro-ph/9801117","created_at":"2026-05-18T04:24:26.403073+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9801117v3","created_at":"2026-05-18T04:24:26.403073+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9801117","created_at":"2026-05-18T04:24:26.403073+00:00"},{"alias_kind":"pith_short_12","alias_value":"LWVLGUXO5KNL","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"LWVLGUXO5KNLP326","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"LWVLGUXO","created_at":"2026-05-18T12:25:49.038998+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/LWVLGUXO5KNLP326XWLABPRWOF","json":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF.json","graph_json":"https://pith.science/api/pith-number/LWVLGUXO5KNLP326XWLABPRWOF/graph.json","events_json":"https://pith.science/api/pith-number/LWVLGUXO5KNLP326XWLABPRWOF/events.json","paper":"https://pith.science/paper/LWVLGUXO"},"agent_actions":{"view_html":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF","download_json":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF.json","view_paper":"https://pith.science/paper/LWVLGUXO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9801117&json=true","fetch_graph":"https://pith.science/api/pith-number/LWVLGUXO5KNLP326XWLABPRWOF/graph.json","fetch_events":"https://pith.science/api/pith-number/LWVLGUXO5KNLP326XWLABPRWOF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF/action/storage_attestation","attest_author":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF/action/author_attestation","sign_citation":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF/action/citation_signature","submit_replication":"https://pith.science/pith/LWVLGUXO5KNLP326XWLABPRWOF/action/replication_record"}},"created_at":"2026-05-18T04:24:26.403073+00:00","updated_at":"2026-05-18T04:24:26.403073+00:00"}