{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:WYCOWSWGF5NYWZWDX3IPNIWC7E","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ba86d01a8ef87d63cba46692a21b4f41d9d01f376762eece1f4a34d8d1400e46","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T10:31:48Z","title_canon_sha256":"6c7de6768058847893d40f24190345c75f6632398974f9e1b0fe4d7724d90ca2"},"schema_version":"1.0","source":{"id":"0906.1044","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1044","created_at":"2026-05-18T04:17:04Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1044v4","created_at":"2026-05-18T04:17:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1044","created_at":"2026-05-18T04:17:04Z"},{"alias_kind":"pith_short_12","alias_value":"WYCOWSWGF5NY","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WYCOWSWGF5NYWZWD","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WYCOWSWG","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:d2dd2b0561ff56a2ea49768fca4038d0ed0e0e4773a669780e85b76f2c9ce398","target":"graph","created_at":"2026-05-18T04:17:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We consider the generalized particle dynamics, proposed by us, in brane world formalisms for an asymptotically anti de Sitter background. The present framework results in a new model that accounts for the late acceleration of the universe. An effective Dark Energy equation of state, exhibiting a phantom like behaviour, is generated. The model is derived by embedding the physical FRW universe in a $(4+1)$-dimensional effective space-time, induced by the generalized particle dynamics. We corroborate our results with present day observed cosmological parameters.","authors_text":"Jan-Willem van Holten, Subir Ghosh, Sudipta Das, Supratik Pal","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T10:31:48Z","title":"Generalized particle dynamics in anti de Sitter spaces: A source for dark energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1044","kind":"arxiv","version":4},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9e9e9dd78fe9e30214f6f03713a5dbdb38c0a6bba17784a296de3cdaabb9311d","target":"record","created_at":"2026-05-18T04:17:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ba86d01a8ef87d63cba46692a21b4f41d9d01f376762eece1f4a34d8d1400e46","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-05T10:31:48Z","title_canon_sha256":"6c7de6768058847893d40f24190345c75f6632398974f9e1b0fe4d7724d90ca2"},"schema_version":"1.0","source":{"id":"0906.1044","kind":"arxiv","version":4}},"canonical_sha256":"b604eb4ac62f5b8b66c3bed0f6a2c2f901320a87e8cb9cbbfafd96e8367e1426","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b604eb4ac62f5b8b66c3bed0f6a2c2f901320a87e8cb9cbbfafd96e8367e1426","first_computed_at":"2026-05-18T04:17:04.675659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:17:04.675659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9QGCjeLAua34B03dbIkkEXvN7zUPah26oka8E6423sFBXElrf6dl0/oZ9l/ZiHL3PCAMczx65BtWE7qmf5+PBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:17:04.676266Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1044","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e9e9dd78fe9e30214f6f03713a5dbdb38c0a6bba17784a296de3cdaabb9311d","sha256:d2dd2b0561ff56a2ea49768fca4038d0ed0e0e4773a669780e85b76f2c9ce398"],"state_sha256":"e8f0e80c1412e3429fbf2b2d9fe79fa0f0e2eac1f757ceb046bfd87c1275b0e3"}