{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:DXDUHIUEKUIW742IOVUEDLZRPT","short_pith_number":"pith:DXDUHIUE","schema_version":"1.0","canonical_sha256":"1dc743a28455116ff348756841af317cc0f10dc814ff266f7b31ed57fadc849a","source":{"kind":"arxiv","id":"2502.12758","version":1},"attestation_state":"computed","paper":{"title":"Probing Chaos in Schwarzschild-de Sitter Spacetime: The Role of Black Hole and Cosmological Horizons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","nlin.CD"],"primary_cat":"gr-qc","authors_text":"Chiranjeeb Singha, Soumya Bhattacharya, Surojit Dalui","submitted_at":"2025-02-18T11:25:08Z","abstract_excerpt":"In this paper, we study the motion of a massless, chargeless particle in Schwarzschild-de Sitter spacetime, revealing exponential radial growth and potential chaos in an integrable system. Poincar\\'e sections show regular Kolmogorov-Arnold-Moser (KAM) tori when black hole and cosmological horizons are distant, but distortions and chaos emerge as they converge. As the horizons coincide, the Poincar\\'e sections fully contract and vanish, marking the system's transition to Nariai spacetime. \\textit{Our analysis also suggests that, within the parameter range explored, the event horizon exerts a co"},"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":"2502.12758","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2025-02-18T11:25:08Z","cross_cats_sorted":["hep-th","nlin.CD"],"title_canon_sha256":"4647fe82695e939619b57a828d65dc68da1505cd808ef59d70614bde0ba80bba","abstract_canon_sha256":"56bfebdb2c66978fbee71ac4e68da0d24fa682af94dc82fbd838440645011f08"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:16:23.811170Z","signature_b64":"Y115wJUNPUEheVL0Zt/3cFE4YlEUzjwbRer4dfkCDuiiVbs57P/NNQI27QqFsVBPsnu/ydSkLb+YRqSlUNUuDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dc743a28455116ff348756841af317cc0f10dc814ff266f7b31ed57fadc849a","last_reissued_at":"2026-07-05T10:16:23.810661Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:16:23.810661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing Chaos in Schwarzschild-de Sitter Spacetime: The Role of Black Hole and Cosmological Horizons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","nlin.CD"],"primary_cat":"gr-qc","authors_text":"Chiranjeeb Singha, Soumya Bhattacharya, Surojit Dalui","submitted_at":"2025-02-18T11:25:08Z","abstract_excerpt":"In this paper, we study the motion of a massless, chargeless particle in Schwarzschild-de Sitter spacetime, revealing exponential radial growth and potential chaos in an integrable system. Poincar\\'e sections show regular Kolmogorov-Arnold-Moser (KAM) tori when black hole and cosmological horizons are distant, but distortions and chaos emerge as they converge. As the horizons coincide, the Poincar\\'e sections fully contract and vanish, marking the system's transition to Nariai spacetime. \\textit{Our analysis also suggests that, within the parameter range explored, the event horizon exerts a co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.12758","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/2502.12758/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":"2502.12758","created_at":"2026-07-05T10:16:23.810721+00:00"},{"alias_kind":"arxiv_version","alias_value":"2502.12758v1","created_at":"2026-07-05T10:16:23.810721+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.12758","created_at":"2026-07-05T10:16:23.810721+00:00"},{"alias_kind":"pith_short_12","alias_value":"DXDUHIUEKUIW","created_at":"2026-07-05T10:16:23.810721+00:00"},{"alias_kind":"pith_short_16","alias_value":"DXDUHIUEKUIW742I","created_at":"2026-07-05T10:16:23.810721+00:00"},{"alias_kind":"pith_short_8","alias_value":"DXDUHIUE","created_at":"2026-07-05T10:16:23.810721+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.10876","citing_title":"Discussion on the equivalence of two relativistic point-particle Lagrangians","ref_index":18,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT","json":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT.json","graph_json":"https://pith.science/api/pith-number/DXDUHIUEKUIW742IOVUEDLZRPT/graph.json","events_json":"https://pith.science/api/pith-number/DXDUHIUEKUIW742IOVUEDLZRPT/events.json","paper":"https://pith.science/paper/DXDUHIUE"},"agent_actions":{"view_html":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT","download_json":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT.json","view_paper":"https://pith.science/paper/DXDUHIUE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2502.12758&json=true","fetch_graph":"https://pith.science/api/pith-number/DXDUHIUEKUIW742IOVUEDLZRPT/graph.json","fetch_events":"https://pith.science/api/pith-number/DXDUHIUEKUIW742IOVUEDLZRPT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT/action/storage_attestation","attest_author":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT/action/author_attestation","sign_citation":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT/action/citation_signature","submit_replication":"https://pith.science/pith/DXDUHIUEKUIW742IOVUEDLZRPT/action/replication_record"}},"created_at":"2026-07-05T10:16:23.810721+00:00","updated_at":"2026-07-05T10:16:23.810721+00:00"}