{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:FPOZ325VG2X2LVHA5VU4Z3CTHC","short_pith_number":"pith:FPOZ325V","schema_version":"1.0","canonical_sha256":"2bdd9debb536afa5d4e0ed69ccec533889e874406b156a144c0a5ce9fa4e6d3b","source":{"kind":"arxiv","id":"2012.04887","version":1},"attestation_state":"computed","paper":{"title":"Cosmological acceleration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alexander D. Dolgov, Sergei I. Blinnikov","submitted_at":"2020-12-09T06:54:11Z","abstract_excerpt":"An overview is given of the current status of the theory and observations of the acceleration of the expansion of the observable part of the Universe.\n  Contents\n  1. Historical Introduction\n  2. Friedmann equations and cosmological acceleration\n  3. Vacuum energy problem\n  4. Data in favor of cosmological acceleration\n  5.Data on supernovae and baryon acoustic oscillations\n  5.1 Cosmography primer: distances in the Universe; 5.2 Photometric distance; 5.3 Cosmic distance ladder; 5.4 Variety of type-Ia supernovae light curves and their usage in cosmography; 5.5 Baryon acoustic oscillations (BAO"},"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":"2012.04887","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-12-09T06:54:11Z","cross_cats_sorted":[],"title_canon_sha256":"ebe7e389d4b3ee02e728579d748e0d1811fb228c125b75aad93b6a320d2df942","abstract_canon_sha256":"ce903c98f24bf330960505badc2fbfb0100b596fc463414cae5a690d423fec6d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:59:36.503461Z","signature_b64":"o+FDsnLHmJkSeugx1zRqhqcrefuj04+WKA6UrX5LbJ8/I665yuF3SWKj9uSg8vDTeHR3xOv7MyFWE9Q8FBljAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bdd9debb536afa5d4e0ed69ccec533889e874406b156a144c0a5ce9fa4e6d3b","last_reissued_at":"2026-07-05T01:59:36.503071Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:59:36.503071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmological acceleration","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alexander D. Dolgov, Sergei I. Blinnikov","submitted_at":"2020-12-09T06:54:11Z","abstract_excerpt":"An overview is given of the current status of the theory and observations of the acceleration of the expansion of the observable part of the Universe.\n  Contents\n  1. Historical Introduction\n  2. Friedmann equations and cosmological acceleration\n  3. Vacuum energy problem\n  4. Data in favor of cosmological acceleration\n  5.Data on supernovae and baryon acoustic oscillations\n  5.1 Cosmography primer: distances in the Universe; 5.2 Photometric distance; 5.3 Cosmic distance ladder; 5.4 Variety of type-Ia supernovae light curves and their usage in cosmography; 5.5 Baryon acoustic oscillations (BAO"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.04887","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/2012.04887/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":"2012.04887","created_at":"2026-07-05T01:59:36.503126+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.04887v1","created_at":"2026-07-05T01:59:36.503126+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.04887","created_at":"2026-07-05T01:59:36.503126+00:00"},{"alias_kind":"pith_short_12","alias_value":"FPOZ325VG2X2","created_at":"2026-07-05T01:59:36.503126+00:00"},{"alias_kind":"pith_short_16","alias_value":"FPOZ325VG2X2LVHA","created_at":"2026-07-05T01:59:36.503126+00:00"},{"alias_kind":"pith_short_8","alias_value":"FPOZ325V","created_at":"2026-07-05T01:59:36.503126+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2502.05581","citing_title":"Dynamical mechanism of vacuum energy compensation","ref_index":5,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC","json":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC.json","graph_json":"https://pith.science/api/pith-number/FPOZ325VG2X2LVHA5VU4Z3CTHC/graph.json","events_json":"https://pith.science/api/pith-number/FPOZ325VG2X2LVHA5VU4Z3CTHC/events.json","paper":"https://pith.science/paper/FPOZ325V"},"agent_actions":{"view_html":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC","download_json":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC.json","view_paper":"https://pith.science/paper/FPOZ325V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.04887&json=true","fetch_graph":"https://pith.science/api/pith-number/FPOZ325VG2X2LVHA5VU4Z3CTHC/graph.json","fetch_events":"https://pith.science/api/pith-number/FPOZ325VG2X2LVHA5VU4Z3CTHC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC/action/storage_attestation","attest_author":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC/action/author_attestation","sign_citation":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC/action/citation_signature","submit_replication":"https://pith.science/pith/FPOZ325VG2X2LVHA5VU4Z3CTHC/action/replication_record"}},"created_at":"2026-07-05T01:59:36.503126+00:00","updated_at":"2026-07-05T01:59:36.503126+00:00"}