{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:KKM565TPU2XIEL6T57EMOSTR2N","short_pith_number":"pith:KKM565TP","schema_version":"1.0","canonical_sha256":"5299df766fa6ae822fd3efc8c74a71d36114144149469404ede658954c76cf77","source":{"kind":"arxiv","id":"2602.08974","version":2},"attestation_state":"computed","paper":{"title":"Bounce, Turnaround, and the Anisotropy Problem in Cyclic Cosmology on a Brane with a Timelike Extra Dimension","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Arkajit Aich, Kaushik Bhattacharya, Rikpratik Sengupta","submitted_at":"2026-02-09T18:16:12Z","abstract_excerpt":"We study cosmological bounces, turnarounds, and cyclic evolution on an anisotropic Bianchi-I brane embedded in a five-dimensional bulk with a \\emph{timelike} extra dimension, within the Shtanov--Sahni braneworld framework. Restricting to the flat, dark-radiation-free, effective-$\\Lambda$-free branch of the general anisotropic brane Friedmann equation, we drive the dynamics with a single canonical scalar field obeying the uniform-rate condition $\\dot\\phi=-\\lambda=\\mathrm{const}$, with shear anisotropy encoded through a geometric term $\\Omega_\\sigma(a)\\propto a^{-6}$. We derive a general turning"},"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":"2602.08974","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2026-02-09T18:16:12Z","cross_cats_sorted":[],"title_canon_sha256":"2e6e1802cd9d0d3e15d7b76a116a4256bc287b6c5824a24960a22726e61f7901","abstract_canon_sha256":"fddb0e77c0a2c5f9ca3a1eebb368f5dfc0bd3d13cd25e24c2bc37d3c53029a19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T01:52:30.708503Z","signature_b64":"idsGtrgI19cS9WfCMZpsgMczN4d1OpAiQoFeu3XIOQRs0Hkt2UUpjlHCa82+ZOHjlYaYFKwVp/ydbg47syy+Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5299df766fa6ae822fd3efc8c74a71d36114144149469404ede658954c76cf77","last_reissued_at":"2026-08-04T01:52:30.706826Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T01:52:30.706826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bounce, Turnaround, and the Anisotropy Problem in Cyclic Cosmology on a Brane with a Timelike Extra Dimension","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Arkajit Aich, Kaushik Bhattacharya, Rikpratik Sengupta","submitted_at":"2026-02-09T18:16:12Z","abstract_excerpt":"We study cosmological bounces, turnarounds, and cyclic evolution on an anisotropic Bianchi-I brane embedded in a five-dimensional bulk with a \\emph{timelike} extra dimension, within the Shtanov--Sahni braneworld framework. Restricting to the flat, dark-radiation-free, effective-$\\Lambda$-free branch of the general anisotropic brane Friedmann equation, we drive the dynamics with a single canonical scalar field obeying the uniform-rate condition $\\dot\\phi=-\\lambda=\\mathrm{const}$, with shear anisotropy encoded through a geometric term $\\Omega_\\sigma(a)\\propto a^{-6}$. We derive a general turning"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2602.08974","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/2602.08974/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":"2602.08974","created_at":"2026-08-04T01:52:30.708174+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.08974v2","created_at":"2026-08-04T01:52:30.708174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.08974","created_at":"2026-08-04T01:52:30.708174+00:00"},{"alias_kind":"pith_short_12","alias_value":"KKM565TPU2XI","created_at":"2026-08-04T01:52:30.708174+00:00"},{"alias_kind":"pith_short_16","alias_value":"KKM565TPU2XIEL6T","created_at":"2026-08-04T01:52:30.708174+00:00"},{"alias_kind":"pith_short_8","alias_value":"KKM565TP","created_at":"2026-08-04T01:52:30.708174+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/KKM565TPU2XIEL6T57EMOSTR2N","json":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N.json","graph_json":"https://pith.science/api/pith-number/KKM565TPU2XIEL6T57EMOSTR2N/graph.json","events_json":"https://pith.science/api/pith-number/KKM565TPU2XIEL6T57EMOSTR2N/events.json","paper":"https://pith.science/paper/KKM565TP"},"agent_actions":{"view_html":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N","download_json":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N.json","view_paper":"https://pith.science/paper/KKM565TP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.08974&json=true","fetch_graph":"https://pith.science/api/pith-number/KKM565TPU2XIEL6T57EMOSTR2N/graph.json","fetch_events":"https://pith.science/api/pith-number/KKM565TPU2XIEL6T57EMOSTR2N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N/action/storage_attestation","attest_author":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N/action/author_attestation","sign_citation":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N/action/citation_signature","submit_replication":"https://pith.science/pith/KKM565TPU2XIEL6T57EMOSTR2N/action/replication_record"}},"created_at":"2026-08-04T01:52:30.708174+00:00","updated_at":"2026-08-04T01:52:30.708174+00:00"}