{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:5T42JIDFNAOF6LICY5TOJVDP3E","short_pith_number":"pith:5T42JIDF","schema_version":"1.0","canonical_sha256":"ecf9a4a065681c5f2d02c766e4d46fd91148b338e99fa29dd80b89da448e86ac","source":{"kind":"arxiv","id":"2504.06784","version":3},"attestation_state":"computed","paper":{"title":"Modified gravity realizations of quintom dark energy after DESI DR2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Emmanuel N. Saridakis, Qingqing Wang, Xin Ren, Yi-Fu Cai, Yuhang Yang","submitted_at":"2025-04-09T11:17:20Z","abstract_excerpt":"We investigate the realization of quintom scenario for dynamical dark energy within modified gravity theories that can efficiently fit the recent observational datasets. Starting from a general effective field theory formulation of dark energy in metric-affine geometry, we derive the background action in unitary gauge and we demonstrate how both $f(T)$ and $f(Q)$ gravity can naturally realize quintom behavior through appropriate forms and parameter choices. Additionally, using the Gaussian process reconstruction of the latest DESI DR2 BAO data combined with SNe and CMB observations, we extract"},"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":"2504.06784","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-04-09T11:17:20Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"7f651c8b1e937da5a28d899f33ce7e43a030f02d6cc5ecd9e4391bbd7da2f4d8","abstract_canon_sha256":"e87e18172cd2e67119c271f1e9e5e6475c2942b4a5f384923ec730139f3e8c31"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:52:19.734090Z","signature_b64":"ZQy5wx1UBVfldFbDVJDoEcoDEzchVYvFWWxmP47Wj6ReOzq4Op6Jed/ARxmY8hBqb8PHEmZow0kVecnWdgLRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecf9a4a065681c5f2d02c766e4d46fd91148b338e99fa29dd80b89da448e86ac","last_reissued_at":"2026-07-05T11:52:19.733522Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:52:19.733522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modified gravity realizations of quintom dark energy after DESI DR2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Emmanuel N. Saridakis, Qingqing Wang, Xin Ren, Yi-Fu Cai, Yuhang Yang","submitted_at":"2025-04-09T11:17:20Z","abstract_excerpt":"We investigate the realization of quintom scenario for dynamical dark energy within modified gravity theories that can efficiently fit the recent observational datasets. Starting from a general effective field theory formulation of dark energy in metric-affine geometry, we derive the background action in unitary gauge and we demonstrate how both $f(T)$ and $f(Q)$ gravity can naturally realize quintom behavior through appropriate forms and parameter choices. Additionally, using the Gaussian process reconstruction of the latest DESI DR2 BAO data combined with SNe and CMB observations, we extract"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.06784","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/2504.06784/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":"2504.06784","created_at":"2026-07-05T11:52:19.733594+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.06784v3","created_at":"2026-07-05T11:52:19.733594+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.06784","created_at":"2026-07-05T11:52:19.733594+00:00"},{"alias_kind":"pith_short_12","alias_value":"5T42JIDFNAOF","created_at":"2026-07-05T11:52:19.733594+00:00"},{"alias_kind":"pith_short_16","alias_value":"5T42JIDFNAOF6LIC","created_at":"2026-07-05T11:52:19.733594+00:00"},{"alias_kind":"pith_short_8","alias_value":"5T42JIDF","created_at":"2026-07-05T11:52:19.733594+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":11,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.06147","citing_title":"Imprint of swampland-inspired coupled early dark energy","ref_index":70,"is_internal_anchor":true},{"citing_arxiv_id":"2606.04886","citing_title":"Dissipative Dark Energy can explain the DESI phantom crossing","ref_index":29,"is_internal_anchor":false},{"citing_arxiv_id":"2606.01360","citing_title":"A short review on Quintom dark energy theory","ref_index":102,"is_internal_anchor":false},{"citing_arxiv_id":"2606.27049","citing_title":"Quintom Model Perturbations","ref_index":79,"is_internal_anchor":false},{"citing_arxiv_id":"2605.22309","citing_title":"Signatures of Modified Gravity on Linear Scales in a Dynamical Dark Energy Background","ref_index":40,"is_internal_anchor":false},{"citing_arxiv_id":"2505.24732","citing_title":"The Quintom theory of dark energy after DESI DR2","ref_index":95,"is_internal_anchor":false},{"citing_arxiv_id":"2506.10046","citing_title":"3-dimensional charged black holes in $f({Q})$ gravity","ref_index":35,"is_internal_anchor":false},{"citing_arxiv_id":"2509.13302","citing_title":"Comparing Minimal and Non-Minimal Quintessence Models to 2025 DESI Data","ref_index":41,"is_internal_anchor":false},{"citing_arxiv_id":"2511.09467","citing_title":"Revisiting the Hubble tension problem in the framework of holographic dark energy","ref_index":58,"is_internal_anchor":false},{"citing_arxiv_id":"2603.26560","citing_title":"Exploring the interplay of late-time dynamical dark energy and new physics before recombination","ref_index":46,"is_internal_anchor":false},{"citing_arxiv_id":"2604.23492","citing_title":"The open-Universe signal: A model artifact rather than genuine curvature","ref_index":38,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E","json":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E.json","graph_json":"https://pith.science/api/pith-number/5T42JIDFNAOF6LICY5TOJVDP3E/graph.json","events_json":"https://pith.science/api/pith-number/5T42JIDFNAOF6LICY5TOJVDP3E/events.json","paper":"https://pith.science/paper/5T42JIDF"},"agent_actions":{"view_html":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E","download_json":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E.json","view_paper":"https://pith.science/paper/5T42JIDF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.06784&json=true","fetch_graph":"https://pith.science/api/pith-number/5T42JIDFNAOF6LICY5TOJVDP3E/graph.json","fetch_events":"https://pith.science/api/pith-number/5T42JIDFNAOF6LICY5TOJVDP3E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E/action/storage_attestation","attest_author":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E/action/author_attestation","sign_citation":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E/action/citation_signature","submit_replication":"https://pith.science/pith/5T42JIDFNAOF6LICY5TOJVDP3E/action/replication_record"}},"created_at":"2026-07-05T11:52:19.733594+00:00","updated_at":"2026-07-05T11:52:19.733594+00:00"}