{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:AFNFA2Y4SPRDBU7IB53DKU7W5X","short_pith_number":"pith:AFNFA2Y4","schema_version":"1.0","canonical_sha256":"015a506b1c93e230d3e80f763553f6edc6f375695a3a76b1c5f3c6dd94576ca2","source":{"kind":"arxiv","id":"2607.26101","version":1},"attestation_state":"computed","paper":{"title":"Early- and late-time constraints on Wald-Gauss-Bonnet topological dark energy and implications for the $H_0$ and $S_8$ tensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Andronikos Paliathanasis, Emmanuel N. Saridakis, Fotios K. Anagnostopoulos, Spyros Basilakos, Stylianos A. Tsilioukas","submitted_at":"2026-07-28T06:59:44Z","abstract_excerpt":"The persistent $H_0$ and $S_8$ tensions motivate the search for new dark-energy mechanisms capable of modifying the late-time expansion history while preserving the successful early-Universe predictions of $\\Lambda$CDM scenario. Wald-Gauss-Bonnet (WGB) topological dark energy provides a physically motivated realization of this possibility, where the effective dark-energy sector emerges from cosmic horizon thermodynamics and the black-hole formation and merger history. We present the first early- and late-Universe analysis of WGB cosmology, implementing the model as an effective fluid in a modi"},"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":"2607.26101","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2026-07-28T06:59:44Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"664579e3994202f8e2e92efa09a989a5b14cdd14a0c4ed51f708fafffcf30cf9","abstract_canon_sha256":"e0812557172ca6718354b7b13711dbc5f06ddabae332fe188f85826f8654fd8e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"015a506b1c93e230d3e80f763553f6edc6f375695a3a76b1c5f3c6dd94576ca2","last_reissued_at":"2026-07-30T00:08:21.167847Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T00:08:21.167847Z"},"graph_snapshot":{"paper":{"title":"Early- and late-time constraints on Wald-Gauss-Bonnet topological dark energy and implications for the $H_0$ and $S_8$ tensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Andronikos Paliathanasis, Emmanuel N. Saridakis, Fotios K. Anagnostopoulos, Spyros Basilakos, Stylianos A. Tsilioukas","submitted_at":"2026-07-28T06:59:44Z","abstract_excerpt":"The persistent $H_0$ and $S_8$ tensions motivate the search for new dark-energy mechanisms capable of modifying the late-time expansion history while preserving the successful early-Universe predictions of $\\Lambda$CDM scenario. Wald-Gauss-Bonnet (WGB) topological dark energy provides a physically motivated realization of this possibility, where the effective dark-energy sector emerges from cosmic horizon thermodynamics and the black-hole formation and merger history. We present the first early- and late-Universe analysis of WGB cosmology, implementing the model as an effective fluid in a modi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26101","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/2607.26101/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":"2607.26101","created_at":"2026-07-30T00:08:21.171552+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.26101v1","created_at":"2026-07-30T00:08:21.171552+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26101","created_at":"2026-07-30T00:08:21.171552+00:00"},{"alias_kind":"pith_short_12","alias_value":"AFNFA2Y4SPRD","created_at":"2026-07-30T00:08:21.171552+00:00"},{"alias_kind":"pith_short_16","alias_value":"AFNFA2Y4SPRDBU7I","created_at":"2026-07-30T00:08:21.171552+00:00"},{"alias_kind":"pith_short_8","alias_value":"AFNFA2Y4","created_at":"2026-07-30T00:08:21.171552+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/AFNFA2Y4SPRDBU7IB53DKU7W5X","json":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X.json","graph_json":"https://pith.science/api/pith-number/AFNFA2Y4SPRDBU7IB53DKU7W5X/graph.json","events_json":"https://pith.science/api/pith-number/AFNFA2Y4SPRDBU7IB53DKU7W5X/events.json","paper":"https://pith.science/paper/AFNFA2Y4"},"agent_actions":{"view_html":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X","download_json":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X.json","view_paper":"https://pith.science/paper/AFNFA2Y4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.26101&json=true","fetch_graph":"https://pith.science/api/pith-number/AFNFA2Y4SPRDBU7IB53DKU7W5X/graph.json","fetch_events":"https://pith.science/api/pith-number/AFNFA2Y4SPRDBU7IB53DKU7W5X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X/action/storage_attestation","attest_author":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X/action/author_attestation","sign_citation":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X/action/citation_signature","submit_replication":"https://pith.science/pith/AFNFA2Y4SPRDBU7IB53DKU7W5X/action/replication_record"}},"created_at":"2026-07-30T00:08:21.171552+00:00","updated_at":"2026-07-30T00:08:21.171552+00:00"}