{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:TCMKPAUQLOV5ZKWNVZXSPSHOCX","short_pith_number":"pith:TCMKPAUQ","schema_version":"1.0","canonical_sha256":"9898a782905babdcaacdae6f27c8ee15f9246365543022bc44dfc3086e127adf","source":{"kind":"arxiv","id":"0807.4608","version":2},"attestation_state":"computed","paper":{"title":"Constraints on CDM cosmology from galaxy power spectrum, CMB and SNIa evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Blanchard, L.D. Ferramacho, Y. Zolnierowski","submitted_at":"2008-07-29T09:14:37Z","abstract_excerpt":"We examine the constraints that can be obtained on standard cold dark matter models from the most currently used data set: CMB anisotropies, type Ia supernovae and the SDSS luminous red galaxies. We also examine how these constraints are widened when the equation of state parameter $w$ and the curvature parameter $\\Omega_k$ are left as free parameters. For the $\\Lambda$CDM model, our 'vanilla' model, cosmological parameters are tightly constrained and consistent with current estimates from various methods. When the dark energy parameter $w$ is free we find that the constraints remain mostly un"},"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":"0807.4608","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-07-29T09:14:37Z","cross_cats_sorted":[],"title_canon_sha256":"8d61b69ab70799a22c9f4e1d81a073e5c789373f46bd0346d3ffc74d6db9d123","abstract_canon_sha256":"fd185a62eab557ed0fb8521fe6f4cb094e48db40a4dfefad9c0468097a37e73f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:44.353537Z","signature_b64":"fRcr9hp7+6dYRM3od4+I38rYsg4FaQQDVeOFHKoehELq2mps2JAap6BIV6xIjjslcnBvaLPLBYmSIREigs2yCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9898a782905babdcaacdae6f27c8ee15f9246365543022bc44dfc3086e127adf","last_reissued_at":"2026-05-18T02:15:44.352612Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:44.352612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on CDM cosmology from galaxy power spectrum, CMB and SNIa evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Blanchard, L.D. Ferramacho, Y. Zolnierowski","submitted_at":"2008-07-29T09:14:37Z","abstract_excerpt":"We examine the constraints that can be obtained on standard cold dark matter models from the most currently used data set: CMB anisotropies, type Ia supernovae and the SDSS luminous red galaxies. We also examine how these constraints are widened when the equation of state parameter $w$ and the curvature parameter $\\Omega_k$ are left as free parameters. For the $\\Lambda$CDM model, our 'vanilla' model, cosmological parameters are tightly constrained and consistent with current estimates from various methods. When the dark energy parameter $w$ is free we find that the constraints remain mostly un"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.4608","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":"0807.4608","created_at":"2026-05-18T02:15:44.352772+00:00"},{"alias_kind":"arxiv_version","alias_value":"0807.4608v2","created_at":"2026-05-18T02:15:44.352772+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.4608","created_at":"2026-05-18T02:15:44.352772+00:00"},{"alias_kind":"pith_short_12","alias_value":"TCMKPAUQLOV5","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_16","alias_value":"TCMKPAUQLOV5ZKWN","created_at":"2026-05-18T12:25:58.018023+00:00"},{"alias_kind":"pith_short_8","alias_value":"TCMKPAUQ","created_at":"2026-05-18T12:25:58.018023+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/TCMKPAUQLOV5ZKWNVZXSPSHOCX","json":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX.json","graph_json":"https://pith.science/api/pith-number/TCMKPAUQLOV5ZKWNVZXSPSHOCX/graph.json","events_json":"https://pith.science/api/pith-number/TCMKPAUQLOV5ZKWNVZXSPSHOCX/events.json","paper":"https://pith.science/paper/TCMKPAUQ"},"agent_actions":{"view_html":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX","download_json":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX.json","view_paper":"https://pith.science/paper/TCMKPAUQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0807.4608&json=true","fetch_graph":"https://pith.science/api/pith-number/TCMKPAUQLOV5ZKWNVZXSPSHOCX/graph.json","fetch_events":"https://pith.science/api/pith-number/TCMKPAUQLOV5ZKWNVZXSPSHOCX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX/action/storage_attestation","attest_author":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX/action/author_attestation","sign_citation":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX/action/citation_signature","submit_replication":"https://pith.science/pith/TCMKPAUQLOV5ZKWNVZXSPSHOCX/action/replication_record"}},"created_at":"2026-05-18T02:15:44.352772+00:00","updated_at":"2026-05-18T02:15:44.352772+00:00"}