{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:5HV7TCX2YEQXDDATCJDFWTQJOU","short_pith_number":"pith:5HV7TCX2","schema_version":"1.0","canonical_sha256":"e9ebf98afac121718c1312465b4e0975324551f7c49a4a206bd1c37552684a5f","source":{"kind":"arxiv","id":"hep-ph/0503268","version":2},"attestation_state":"computed","paper":{"title":"A Single Scalar Field Model of Dark Energy with Equation of State Crossing -1","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Bo Feng, Mingzhe Li, Xinmin Zhang","submitted_at":"2005-03-27T16:18:07Z","abstract_excerpt":"In this paper we study the possibility of building models of dark energy with equation of state across -1 and propose explicitly a model with a single scalar field which gives rise to an equation of state larger than -1 in the past and less than -1 at the present time, consistent with the current observations."},"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":"hep-ph/0503268","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2005-03-27T16:18:07Z","cross_cats_sorted":["astro-ph","gr-qc","hep-th"],"title_canon_sha256":"19db358d6ec0e44511bb795789424bbdd83ab969c2516895fa7a6c087e9943e6","abstract_canon_sha256":"04372302258d27169111c707f31310a6dbeafeb3bf032c5afb64705d0fe86277"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:55:38.520695Z","signature_b64":"7p5u0Qq6/0hwSitQPgfaeVuVDfs2RYldR3jKUO3BlamZCoMRw4iZ1XdkXdd5qcpdVpU8hnIqFEprZTpu0itKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9ebf98afac121718c1312465b4e0975324551f7c49a4a206bd1c37552684a5f","last_reissued_at":"2026-07-04T16:55:38.520311Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:55:38.520311Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Single Scalar Field Model of Dark Energy with Equation of State Crossing -1","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Bo Feng, Mingzhe Li, Xinmin Zhang","submitted_at":"2005-03-27T16:18:07Z","abstract_excerpt":"In this paper we study the possibility of building models of dark energy with equation of state across -1 and propose explicitly a model with a single scalar field which gives rise to an equation of state larger than -1 in the past and less than -1 at the present time, consistent with the current observations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0503268","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/0503268/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":"hep-ph/0503268","created_at":"2026-07-04T16:55:38.520387+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0503268v2","created_at":"2026-07-04T16:55:38.520387+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0503268","created_at":"2026-07-04T16:55:38.520387+00:00"},{"alias_kind":"pith_short_12","alias_value":"5HV7TCX2YEQX","created_at":"2026-07-04T16:55:38.520387+00:00"},{"alias_kind":"pith_short_16","alias_value":"5HV7TCX2YEQXDDAT","created_at":"2026-07-04T16:55:38.520387+00:00"},{"alias_kind":"pith_short_8","alias_value":"5HV7TCX2","created_at":"2026-07-04T16:55:38.520387+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2606.01360","citing_title":"A short review on Quintom dark energy theory","ref_index":78,"is_internal_anchor":true},{"citing_arxiv_id":"2606.27049","citing_title":"Quintom Model Perturbations","ref_index":112,"is_internal_anchor":true},{"citing_arxiv_id":"2505.24732","citing_title":"The Quintom theory of dark energy after DESI DR2","ref_index":159,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU","json":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU.json","graph_json":"https://pith.science/api/pith-number/5HV7TCX2YEQXDDATCJDFWTQJOU/graph.json","events_json":"https://pith.science/api/pith-number/5HV7TCX2YEQXDDATCJDFWTQJOU/events.json","paper":"https://pith.science/paper/5HV7TCX2"},"agent_actions":{"view_html":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU","download_json":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU.json","view_paper":"https://pith.science/paper/5HV7TCX2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0503268&json=true","fetch_graph":"https://pith.science/api/pith-number/5HV7TCX2YEQXDDATCJDFWTQJOU/graph.json","fetch_events":"https://pith.science/api/pith-number/5HV7TCX2YEQXDDATCJDFWTQJOU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU/action/storage_attestation","attest_author":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU/action/author_attestation","sign_citation":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU/action/citation_signature","submit_replication":"https://pith.science/pith/5HV7TCX2YEQXDDATCJDFWTQJOU/action/replication_record"}},"created_at":"2026-07-04T16:55:38.520387+00:00","updated_at":"2026-07-04T16:55:38.520387+00:00"}