{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:NZRWF5TQ7CFKS566PRREMYL3P4","short_pith_number":"pith:NZRWF5TQ","schema_version":"1.0","canonical_sha256":"6e6362f670f88aa977de7c6246617b7f29c57f72fd1d70cfa5e65a113c514547","source":{"kind":"arxiv","id":"1103.4988","version":1},"attestation_state":"computed","paper":{"title":"Accelerating Cosmology Driven by Gravitational Production of Dark Matter Particles: Constraints from SNe Ia and H(z) data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"F. E. Silva, J. A. S. Lima, R. C. Santos","submitted_at":"2011-03-25T15:02:26Z","abstract_excerpt":"The free parameters of a flat accelerating model without dark energy are constrained by using Supernovae type Ia and observational H(z) data. Instead of the vacuum dominance, the present accelerating stage in this modified Einstein-de Sitter cosmology is a consequence of the gravitationally-induced particle production of cold dark matter. The model present a transition from a decelerating to an accelerating regime at low redshifts, and is also able to harmonize a cold dark matter picture with the latest measurements of the Hubble constant H_0, the Supernovae observations (Constitution sample),"},"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":"1103.4988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-03-25T15:02:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"0da416c960bf0c438f626123e20c2e4eb75a685d52295703e1f4a76a3b8f563e","abstract_canon_sha256":"441e88d5c8887927180efff5473aabdd65406d3c4b251b469b23470591a12685"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:28.398326Z","signature_b64":"7GsuF7RfIc7Ful+tj4nYqb3C1YBWRYzVcajYoNCJLHOXRby9E8aEYdKVVuwQCDmMCuLCd/yic664iqi49QU6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e6362f670f88aa977de7c6246617b7f29c57f72fd1d70cfa5e65a113c514547","last_reissued_at":"2026-05-18T00:59:28.397717Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:28.397717Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accelerating Cosmology Driven by Gravitational Production of Dark Matter Particles: Constraints from SNe Ia and H(z) data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"F. E. Silva, J. A. S. Lima, R. C. Santos","submitted_at":"2011-03-25T15:02:26Z","abstract_excerpt":"The free parameters of a flat accelerating model without dark energy are constrained by using Supernovae type Ia and observational H(z) data. Instead of the vacuum dominance, the present accelerating stage in this modified Einstein-de Sitter cosmology is a consequence of the gravitationally-induced particle production of cold dark matter. The model present a transition from a decelerating to an accelerating regime at low redshifts, and is also able to harmonize a cold dark matter picture with the latest measurements of the Hubble constant H_0, the Supernovae observations (Constitution sample),"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.4988","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":"1103.4988","created_at":"2026-05-18T00:59:28.397807+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.4988v1","created_at":"2026-05-18T00:59:28.397807+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.4988","created_at":"2026-05-18T00:59:28.397807+00:00"},{"alias_kind":"pith_short_12","alias_value":"NZRWF5TQ7CFK","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"NZRWF5TQ7CFKS566","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"NZRWF5TQ","created_at":"2026-05-18T12:26:37.096874+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/NZRWF5TQ7CFKS566PRREMYL3P4","json":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4.json","graph_json":"https://pith.science/api/pith-number/NZRWF5TQ7CFKS566PRREMYL3P4/graph.json","events_json":"https://pith.science/api/pith-number/NZRWF5TQ7CFKS566PRREMYL3P4/events.json","paper":"https://pith.science/paper/NZRWF5TQ"},"agent_actions":{"view_html":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4","download_json":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4.json","view_paper":"https://pith.science/paper/NZRWF5TQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.4988&json=true","fetch_graph":"https://pith.science/api/pith-number/NZRWF5TQ7CFKS566PRREMYL3P4/graph.json","fetch_events":"https://pith.science/api/pith-number/NZRWF5TQ7CFKS566PRREMYL3P4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4/action/storage_attestation","attest_author":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4/action/author_attestation","sign_citation":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4/action/citation_signature","submit_replication":"https://pith.science/pith/NZRWF5TQ7CFKS566PRREMYL3P4/action/replication_record"}},"created_at":"2026-05-18T00:59:28.397807+00:00","updated_at":"2026-05-18T00:59:28.397807+00:00"}