{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:PARLG2LRROPFHSRE4QG3OZRXE6","short_pith_number":"pith:PARLG2LR","schema_version":"1.0","canonical_sha256":"7822b369718b9e53ca24e40db7663727bf14f3b56f3424c578e8e4ace95c1274","source":{"kind":"arxiv","id":"2304.03783","version":3},"attestation_state":"computed","paper":{"title":"New parametrization of the dark-energy equation of state with a single parameter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Emmanuel N. Saridakis, Harshna Balhara, J. K. Singh, Preeti Singh, Shynaray Myrzakul","submitted_at":"2023-04-07T12:06:41Z","abstract_excerpt":"We propose a novel dark-energy equation-of-state parametrization, with a single parameter $\\eta$ that quantifies the deviation from $\\Lambda$CDM cosmology. We first confront the scenario with various datasets, from Hubble function (OHD), Pantheon, baryon acoustic oscillations (BAO), and their joint observations, and we show that $\\eta$ has a preference for a non-zero value, namely a deviation from $\\Lambda$CDM cosmology is favored, although the zero value is marginally inside the 1$\\sigma$ confidence level. However, we find that the present Hubble function value acquires a higher value, namely"},"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":"2304.03783","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2023-04-07T12:06:41Z","cross_cats_sorted":[],"title_canon_sha256":"bcc2150e364c741dfe172e3ac0b54393af7e1d8eb723a60960a3ac91f95d23ba","abstract_canon_sha256":"ca3afd81d29250dfb234a7a1abee83bb10fa3eea8cf4ea9d0a195476b186358e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:25:48.342193Z","signature_b64":"JhMVWL+DdM9ecvtSZdpOQhUFdk1feAiOFiPdiAQGhWsnpQjFd2O51cA5jr7fHLfN0b8Z3B/C/ynS/jc0fNn4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7822b369718b9e53ca24e40db7663727bf14f3b56f3424c578e8e4ace95c1274","last_reissued_at":"2026-07-05T08:25:48.341762Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:25:48.341762Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"New parametrization of the dark-energy equation of state with a single parameter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Emmanuel N. Saridakis, Harshna Balhara, J. K. Singh, Preeti Singh, Shynaray Myrzakul","submitted_at":"2023-04-07T12:06:41Z","abstract_excerpt":"We propose a novel dark-energy equation-of-state parametrization, with a single parameter $\\eta$ that quantifies the deviation from $\\Lambda$CDM cosmology. We first confront the scenario with various datasets, from Hubble function (OHD), Pantheon, baryon acoustic oscillations (BAO), and their joint observations, and we show that $\\eta$ has a preference for a non-zero value, namely a deviation from $\\Lambda$CDM cosmology is favored, although the zero value is marginally inside the 1$\\sigma$ confidence level. However, we find that the present Hubble function value acquires a higher value, namely"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.03783","kind":"arxiv","version":3},"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/2304.03783/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":"2304.03783","created_at":"2026-07-05T08:25:48.341829+00:00"},{"alias_kind":"arxiv_version","alias_value":"2304.03783v3","created_at":"2026-07-05T08:25:48.341829+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.03783","created_at":"2026-07-05T08:25:48.341829+00:00"},{"alias_kind":"pith_short_12","alias_value":"PARLG2LRROPF","created_at":"2026-07-05T08:25:48.341829+00:00"},{"alias_kind":"pith_short_16","alias_value":"PARLG2LRROPFHSRE","created_at":"2026-07-05T08:25:48.341829+00:00"},{"alias_kind":"pith_short_8","alias_value":"PARLG2LR","created_at":"2026-07-05T08:25:48.341829+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.17951","citing_title":"Data-Driven Discovery of a Simple Phantom-Crossing Dark Energy Parametrization","ref_index":37,"is_internal_anchor":false},{"citing_arxiv_id":"2508.10514","citing_title":"Evidence for evolving dark energy from DESI DR2 BAO and Pantheon$^+$, DES-Dovekie, and Union3","ref_index":95,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6","json":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6.json","graph_json":"https://pith.science/api/pith-number/PARLG2LRROPFHSRE4QG3OZRXE6/graph.json","events_json":"https://pith.science/api/pith-number/PARLG2LRROPFHSRE4QG3OZRXE6/events.json","paper":"https://pith.science/paper/PARLG2LR"},"agent_actions":{"view_html":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6","download_json":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6.json","view_paper":"https://pith.science/paper/PARLG2LR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2304.03783&json=true","fetch_graph":"https://pith.science/api/pith-number/PARLG2LRROPFHSRE4QG3OZRXE6/graph.json","fetch_events":"https://pith.science/api/pith-number/PARLG2LRROPFHSRE4QG3OZRXE6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6/action/storage_attestation","attest_author":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6/action/author_attestation","sign_citation":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6/action/citation_signature","submit_replication":"https://pith.science/pith/PARLG2LRROPFHSRE4QG3OZRXE6/action/replication_record"}},"created_at":"2026-07-05T08:25:48.341829+00:00","updated_at":"2026-07-05T08:25:48.341829+00:00"}