{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:VYR3YZCA2QUBGRDJSF7HI6CCGE","short_pith_number":"pith:VYR3YZCA","schema_version":"1.0","canonical_sha256":"ae23bc6440d428134469917e747842313bf767fe71fdd03e4f0b6559215fb4bd","source":{"kind":"arxiv","id":"astro-ph/0304237","version":2},"attestation_state":"computed","paper":{"title":"An alternative to the cosmological 'concordance model'","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Alain Blanchard, Marian Douspis, Michael Rowan-Robinson, Subir Sarkar","submitted_at":"2003-04-14T13:43:26Z","abstract_excerpt":"Precision measurements of the cosmic microwave background by WMAP are believed to have established a flat $\\Lambda$-dominated universe, seeded by nearly scale-invariant adiabatic primordial fluctuations. However by relaxing the hypothesis that the fluctuation spectrum can be described by a single power law, we demonstrate that an Einstein-de Sitter universe with {\\em zero} cosmological constant can fit the data as well as the best concordance model. Moreover unlike a $\\Lambda$-dominated universe, such an universe has no strong integrated Sachs-Wolfe effect, so is in better agreement with the l"},"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/0304237","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-04-14T13:43:26Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7b26697d878bdc8f2250928e4917072cc08ab2c03ca1808c1304c4786c89ac4b","abstract_canon_sha256":"7a316498c0b79f30b4f890612f934e32444ce46c1ca7ed95644bff4349ec37c7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:38.254597Z","signature_b64":"5bDxfsB2ri19NZERwT+4mJfYdUWp0bNK2G3dhYqmHRnqJYHSnvb+eDVzlF4lUWT+9TmQ7AHvwGGoTPdhMMNtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae23bc6440d428134469917e747842313bf767fe71fdd03e4f0b6559215fb4bd","last_reissued_at":"2026-05-18T04:28:38.254183Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:38.254183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An alternative to the cosmological 'concordance model'","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Alain Blanchard, Marian Douspis, Michael Rowan-Robinson, Subir Sarkar","submitted_at":"2003-04-14T13:43:26Z","abstract_excerpt":"Precision measurements of the cosmic microwave background by WMAP are believed to have established a flat $\\Lambda$-dominated universe, seeded by nearly scale-invariant adiabatic primordial fluctuations. However by relaxing the hypothesis that the fluctuation spectrum can be described by a single power law, we demonstrate that an Einstein-de Sitter universe with {\\em zero} cosmological constant can fit the data as well as the best concordance model. Moreover unlike a $\\Lambda$-dominated universe, such an universe has no strong integrated Sachs-Wolfe effect, so is in better agreement with the l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0304237","kind":"arxiv","version":2},"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/0304237","created_at":"2026-05-18T04:28:38.254237+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0304237v2","created_at":"2026-05-18T04:28:38.254237+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0304237","created_at":"2026-05-18T04:28:38.254237+00:00"},{"alias_kind":"pith_short_12","alias_value":"VYR3YZCA2QUB","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_16","alias_value":"VYR3YZCA2QUBGRDJ","created_at":"2026-05-18T12:25:52.051335+00:00"},{"alias_kind":"pith_short_8","alias_value":"VYR3YZCA","created_at":"2026-05-18T12:25:52.051335+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/VYR3YZCA2QUBGRDJSF7HI6CCGE","json":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE.json","graph_json":"https://pith.science/api/pith-number/VYR3YZCA2QUBGRDJSF7HI6CCGE/graph.json","events_json":"https://pith.science/api/pith-number/VYR3YZCA2QUBGRDJSF7HI6CCGE/events.json","paper":"https://pith.science/paper/VYR3YZCA"},"agent_actions":{"view_html":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE","download_json":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE.json","view_paper":"https://pith.science/paper/VYR3YZCA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0304237&json=true","fetch_graph":"https://pith.science/api/pith-number/VYR3YZCA2QUBGRDJSF7HI6CCGE/graph.json","fetch_events":"https://pith.science/api/pith-number/VYR3YZCA2QUBGRDJSF7HI6CCGE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE/action/storage_attestation","attest_author":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE/action/author_attestation","sign_citation":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE/action/citation_signature","submit_replication":"https://pith.science/pith/VYR3YZCA2QUBGRDJSF7HI6CCGE/action/replication_record"}},"created_at":"2026-05-18T04:28:38.254237+00:00","updated_at":"2026-05-18T04:28:38.254237+00:00"}