{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:MPHVJQYULCUBKJBXST4SFB7AFS","short_pith_number":"pith:MPHVJQYU","canonical_record":{"source":{"id":"hep-th/0605039","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2006-05-03T12:00:19Z","cross_cats_sorted":["astro-ph","gr-qc"],"title_canon_sha256":"31b30288fad3856b20aa2bc16a72c4e6c419ec46d5a3bea2fbaffc062b698bae","abstract_canon_sha256":"0bbbdea831b4cdee1ead557f335c3d55597149d027d67b9d19312d00f34ae8f9"},"schema_version":"1.0"},"canonical_sha256":"63cf54c31458a815243794f92287e02c891efae7f530953d117428f4669c205d","source":{"kind":"arxiv","id":"hep-th/0605039","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0605039","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0605039v3","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0605039","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"MPHVJQYULCUB","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_16","alias_value":"MPHVJQYULCUBKJBX","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_8","alias_value":"MPHVJQYU","created_at":"2026-07-04T15:20:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:MPHVJQYULCUBKJBXST4SFB7AFS","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0605039","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2006-05-03T12:00:19Z","cross_cats_sorted":["astro-ph","gr-qc"],"title_canon_sha256":"31b30288fad3856b20aa2bc16a72c4e6c419ec46d5a3bea2fbaffc062b698bae","abstract_canon_sha256":"0bbbdea831b4cdee1ead557f335c3d55597149d027d67b9d19312d00f34ae8f9"},"schema_version":"1.0"},"canonical_sha256":"63cf54c31458a815243794f92287e02c891efae7f530953d117428f4669c205d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:20:01.807480Z","signature_b64":"DEXdOBUupWUZQo1SRmgHyxShEyuGs3X1wz/qLeMoW/Mhp+Ei+ZHA+RnBXAjZmqRXLXcu9Q1PyS+wIpxrp90oDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63cf54c31458a815243794f92287e02c891efae7f530953d117428f4669c205d","last_reissued_at":"2026-07-04T15:20:01.807066Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:20:01.807066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0605039","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SE+Oay80ZvF872sQ6xh3bAxZrc69qL7epjj0sDaXCsfzZsJ0iC+TERuW9W3/jQ7A+s56z5Q7mtHVanDcHkNbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:47:46.506855Z"},"content_sha256":"226cdb26dc984b09f87c94a37a078138634ea7ae24a75a8d578a19c3d84755f9","schema_version":"1.0","event_id":"sha256:226cdb26dc984b09f87c94a37a078138634ea7ae24a75a8d578a19c3d84755f9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:MPHVJQYULCUBKJBXST4SFB7AFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark energy cosmology from higher-order, string-inspired gravity and its reconstruction","license":"","headline":"","cross_cats":["astro-ph","gr-qc"],"primary_cat":"hep-th","authors_text":"M. Sami, Sergei D. Odintsov, Shin'ichi Nojiri","submitted_at":"2006-05-03T12:00:19Z","abstract_excerpt":"In this paper we investigate the cosmological effects of modified gravity with string curvature corrections added to Einstein-Hilbert action in the presence of a dynamically evolving scalar field coupled to Riemann invariants. The scenario exhibits several features of cosmological interest for late universe. It is shown that higher order stringy corrections can lead to a class of dark energy models consistent with recent observations. The model can give rise to quintessence, deSitter or phantom dark energy, in last case without recourse to negative kinetic energy field. The detailed treatment "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0605039","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/hep-th/0605039/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:20:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7OU8/OftDgkWHmZzjVt0RyrmH/sDfHNsbh7qL73IsIkgz75RzCvnCtIYvcBrPGYYTl1iHUmKnExWehq2ulNQCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:47:46.507376Z"},"content_sha256":"f583b02f863ad37d6d16e3981ee89ef545cfec97857976df0d17543f89a4fe3f","schema_version":"1.0","event_id":"sha256:f583b02f863ad37d6d16e3981ee89ef545cfec97857976df0d17543f89a4fe3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MPHVJQYULCUBKJBXST4SFB7AFS/bundle.json","state_url":"https://pith.science/pith/MPHVJQYULCUBKJBXST4SFB7AFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MPHVJQYULCUBKJBXST4SFB7AFS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T15:47:46Z","links":{"resolver":"https://pith.science/pith/MPHVJQYULCUBKJBXST4SFB7AFS","bundle":"https://pith.science/pith/MPHVJQYULCUBKJBXST4SFB7AFS/bundle.json","state":"https://pith.science/pith/MPHVJQYULCUBKJBXST4SFB7AFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MPHVJQYULCUBKJBXST4SFB7AFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:MPHVJQYULCUBKJBXST4SFB7AFS","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":"0bbbdea831b4cdee1ead557f335c3d55597149d027d67b9d19312d00f34ae8f9","cross_cats_sorted":["astro-ph","gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"2006-05-03T12:00:19Z","title_canon_sha256":"31b30288fad3856b20aa2bc16a72c4e6c419ec46d5a3bea2fbaffc062b698bae"},"schema_version":"1.0","source":{"id":"hep-th/0605039","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0605039","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0605039v3","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0605039","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_12","alias_value":"MPHVJQYULCUB","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_16","alias_value":"MPHVJQYULCUBKJBX","created_at":"2026-07-04T15:20:01Z"},{"alias_kind":"pith_short_8","alias_value":"MPHVJQYU","created_at":"2026-07-04T15:20:01Z"}],"graph_snapshots":[{"event_id":"sha256:f583b02f863ad37d6d16e3981ee89ef545cfec97857976df0d17543f89a4fe3f","target":"graph","created_at":"2026-07-04T15:20:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/hep-th/0605039/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we investigate the cosmological effects of modified gravity with string curvature corrections added to Einstein-Hilbert action in the presence of a dynamically evolving scalar field coupled to Riemann invariants. The scenario exhibits several features of cosmological interest for late universe. It is shown that higher order stringy corrections can lead to a class of dark energy models consistent with recent observations. The model can give rise to quintessence, deSitter or phantom dark energy, in last case without recourse to negative kinetic energy field. The detailed treatment ","authors_text":"M. Sami, Sergei D. Odintsov, Shin'ichi Nojiri","cross_cats":["astro-ph","gr-qc"],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2006-05-03T12:00:19Z","title":"Dark energy cosmology from higher-order, string-inspired gravity and its reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0605039","kind":"arxiv","version":3},"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":"sha256:226cdb26dc984b09f87c94a37a078138634ea7ae24a75a8d578a19c3d84755f9","target":"record","created_at":"2026-07-04T15:20:01Z","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":"0bbbdea831b4cdee1ead557f335c3d55597149d027d67b9d19312d00f34ae8f9","cross_cats_sorted":["astro-ph","gr-qc"],"license":"","primary_cat":"hep-th","submitted_at":"2006-05-03T12:00:19Z","title_canon_sha256":"31b30288fad3856b20aa2bc16a72c4e6c419ec46d5a3bea2fbaffc062b698bae"},"schema_version":"1.0","source":{"id":"hep-th/0605039","kind":"arxiv","version":3}},"canonical_sha256":"63cf54c31458a815243794f92287e02c891efae7f530953d117428f4669c205d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63cf54c31458a815243794f92287e02c891efae7f530953d117428f4669c205d","first_computed_at":"2026-07-04T15:20:01.807066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:20:01.807066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DEXdOBUupWUZQo1SRmgHyxShEyuGs3X1wz/qLeMoW/Mhp+Ei+ZHA+RnBXAjZmqRXLXcu9Q1PyS+wIpxrp90oDw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:20:01.807480Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0605039","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:226cdb26dc984b09f87c94a37a078138634ea7ae24a75a8d578a19c3d84755f9","sha256:f583b02f863ad37d6d16e3981ee89ef545cfec97857976df0d17543f89a4fe3f"],"state_sha256":"26ff3a335072e19612eb6c5e675ca73bbf2857ff85af14bd469b12f0e2838ebd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uzfRVlmMPe3reJNodfyj5yzI0LUZSYv13mu/MjUet9DJrmgtvPR7Znx+Ol/cYVK5a0SJwpX0gPraRF1shJemDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T15:47:46.511342Z","bundle_sha256":"22e81a4f91a55e2a4b266d4cb89ce725e4aedc21a9f78d65a085df04bc2ef95b"}}