{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:B2WF47DFBTKSJ3AVLQ6VEY3SJ3","short_pith_number":"pith:B2WF47DF","schema_version":"1.0","canonical_sha256":"0eac5e7c650cd524ec155c3d5263724ed98e9493edd20172b700549c7f940f55","source":{"kind":"arxiv","id":"gr-qc/9701038","version":1},"attestation_state":"computed","paper":{"title":"Cosmological Limits on Slightly Skew Stresses","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"John D. Barrow (University of Sussex)","submitted_at":"1997-01-16T15:14:15Z","abstract_excerpt":"We present an analysis of the cosmological evolution of matter sources with small anisotropic pressures. This includes electric and magnetic fields, collisionless relativistic particles, gravitons, antisymmetric axion fields in low-energy string cosmologies, spatial curvature anisotropies, and stresses arising from simple topological defects. We calculate their evolution during the radiation and dust eras of an almost isotropic universe. In many interesting cases the evolution displays a special critical behaviour created by the non-linear evolution of the pressure and expansion anisotropies. "},"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":"gr-qc/9701038","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"1997-01-16T15:14:15Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"dd7a335744269ae98a5f4a302432982026c307a0866ad235dc7d4bd91c9cf966","abstract_canon_sha256":"a3ffe67ce3cae54731b89bec7dc60d185b69bb0f501aba0912d603844c8ad053"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:04:35.855751Z","signature_b64":"TJOycGAt1SkxX1q4q7cv8RjlVw6vGida1QKGtm9PbtvGQxiFURw/u1lgJb7sOuWlegvQ/z3RpEK8fwE63tpWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0eac5e7c650cd524ec155c3d5263724ed98e9493edd20172b700549c7f940f55","last_reissued_at":"2026-07-04T16:04:35.855417Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:04:35.855417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological Limits on Slightly Skew Stresses","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"John D. Barrow (University of Sussex)","submitted_at":"1997-01-16T15:14:15Z","abstract_excerpt":"We present an analysis of the cosmological evolution of matter sources with small anisotropic pressures. This includes electric and magnetic fields, collisionless relativistic particles, gravitons, antisymmetric axion fields in low-energy string cosmologies, spatial curvature anisotropies, and stresses arising from simple topological defects. We calculate their evolution during the radiation and dust eras of an almost isotropic universe. In many interesting cases the evolution displays a special critical behaviour created by the non-linear evolution of the pressure and expansion anisotropies. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/9701038","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/gr-qc/9701038/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":"gr-qc/9701038","created_at":"2026-07-04T16:04:35.855476+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/9701038v1","created_at":"2026-07-04T16:04:35.855476+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/9701038","created_at":"2026-07-04T16:04:35.855476+00:00"},{"alias_kind":"pith_short_12","alias_value":"B2WF47DFBTKS","created_at":"2026-07-04T16:04:35.855476+00:00"},{"alias_kind":"pith_short_16","alias_value":"B2WF47DFBTKSJ3AV","created_at":"2026-07-04T16:04:35.855476+00:00"},{"alias_kind":"pith_short_8","alias_value":"B2WF47DF","created_at":"2026-07-04T16:04:35.855476+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.02109","citing_title":"Role of internal space correlations in the dynamics of a higher-dimensional Bianchi type-I universe: shear scalar and Hubble parameter perspectives","ref_index":82,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3","json":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3.json","graph_json":"https://pith.science/api/pith-number/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/graph.json","events_json":"https://pith.science/api/pith-number/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/events.json","paper":"https://pith.science/paper/B2WF47DF"},"agent_actions":{"view_html":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3","download_json":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3.json","view_paper":"https://pith.science/paper/B2WF47DF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/9701038&json=true","fetch_graph":"https://pith.science/api/pith-number/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/graph.json","fetch_events":"https://pith.science/api/pith-number/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/action/storage_attestation","attest_author":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/action/author_attestation","sign_citation":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/action/citation_signature","submit_replication":"https://pith.science/pith/B2WF47DFBTKSJ3AVLQ6VEY3SJ3/action/replication_record"}},"created_at":"2026-07-04T16:04:35.855476+00:00","updated_at":"2026-07-04T16:04:35.855476+00:00"}