{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:MNXVNNJ34U2Z3HHDTWVYPAZ44L","short_pith_number":"pith:MNXVNNJ3","canonical_record":{"source":{"id":"2408.14989","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-27T12:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"5d974a843b2bfa03f3d5e84a42eb213920a0f86012668847eae7074ed5f1f801","abstract_canon_sha256":"6ad611ccd591bc917a67db43110ef349c6f3e21f1c01dfbba673d0a637d63acd"},"schema_version":"1.0"},"canonical_sha256":"636f56b53be5359d9ce39dab87833ce2e5bba7b1144795d5c1c28decddfd7316","source":{"kind":"arxiv","id":"2408.14989","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.14989","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"2408.14989v3","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.14989","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"MNXVNNJ34U2Z","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"MNXVNNJ34U2Z3HHD","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"MNXVNNJ3","created_at":"2026-07-03T01:17:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:MNXVNNJ34U2Z3HHDTWVYPAZ44L","target":"record","payload":{"canonical_record":{"source":{"id":"2408.14989","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-27T12:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"5d974a843b2bfa03f3d5e84a42eb213920a0f86012668847eae7074ed5f1f801","abstract_canon_sha256":"6ad611ccd591bc917a67db43110ef349c6f3e21f1c01dfbba673d0a637d63acd"},"schema_version":"1.0"},"canonical_sha256":"636f56b53be5359d9ce39dab87833ce2e5bba7b1144795d5c1c28decddfd7316","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:10.132228Z","signature_b64":"muw2R8mAEFJDYQwK9Xrx7CRjP9VWNFpPStzIbP5HJB+3OmGo7U+g8OPqhqagtGyTWXpqbClqFgOXYJEHv3S3Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"636f56b53be5359d9ce39dab87833ce2e5bba7b1144795d5c1c28decddfd7316","last_reissued_at":"2026-07-03T01:17:10.131759Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:10.131759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.14989","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":"2026-07-03T01:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oFsPf+CrjQSkfahIr9mZzLQmvVz5IuszRfP/hAUC5iswK9YrzmTP9sNr85/OMMADKsgT0q7E7z2nNhUtfLwVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:22:52.129887Z"},"content_sha256":"88dd871483b0ac8f608353fbf8cba4a89ffd2fdd2abeaf958731bb90f8f6da24","schema_version":"1.0","event_id":"sha256:88dd871483b0ac8f608353fbf8cba4a89ffd2fdd2abeaf958731bb90f8f6da24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:MNXVNNJ34U2Z3HHDTWVYPAZ44L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological Model in $f(R, \\mathcal{G})$ Gravity : Stability Analysis and Observational Constraints from DESI DR2","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"R. Chaubey, Shivani Sharma","submitted_at":"2024-08-27T12:10:57Z","abstract_excerpt":"In this article, we examine the dynamical system of the Decoupled Power-law $f(R,\\mathcal{G})$ gravity model. This $f(R,G)$ model framework is composed of interactions between dark matter and scalar field through the linear coupling term. The key objective of the present study is to describe the cosmological viability of the modified gravity theory formulated with gravity $ f(R, \\mathcal{G}) $. We transform the cosmological equations into an autonomous system of ordinary differential equations by suitable transformation of variables. The decoupled power-law $ f(R,\\mathcal{G})$ model governed b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.14989","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/2408.14989/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":"2026-07-03T01:17:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SohJrgAwA38Pz2gCK3CIuWwy4IqP69aK7NMYY52N3WSCdgrKdSfoYFux42Y/VqThK+SxAd9so+myoy16eclQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:22:52.130375Z"},"content_sha256":"827e8faa2a7e5cf939ab855d646999645f8c41315e01ff28dbc617519763d080","schema_version":"1.0","event_id":"sha256:827e8faa2a7e5cf939ab855d646999645f8c41315e01ff28dbc617519763d080"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/bundle.json","state_url":"https://pith.science/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/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":"2026-08-09T01:22:52Z","links":{"resolver":"https://pith.science/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L","bundle":"https://pith.science/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/bundle.json","state":"https://pith.science/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MNXVNNJ34U2Z3HHDTWVYPAZ44L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MNXVNNJ34U2Z3HHDTWVYPAZ44L","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":"6ad611ccd591bc917a67db43110ef349c6f3e21f1c01dfbba673d0a637d63acd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-27T12:10:57Z","title_canon_sha256":"5d974a843b2bfa03f3d5e84a42eb213920a0f86012668847eae7074ed5f1f801"},"schema_version":"1.0","source":{"id":"2408.14989","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.14989","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"arxiv_version","alias_value":"2408.14989v3","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.14989","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_12","alias_value":"MNXVNNJ34U2Z","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_16","alias_value":"MNXVNNJ34U2Z3HHD","created_at":"2026-07-03T01:17:10Z"},{"alias_kind":"pith_short_8","alias_value":"MNXVNNJ3","created_at":"2026-07-03T01:17:10Z"}],"graph_snapshots":[{"event_id":"sha256:827e8faa2a7e5cf939ab855d646999645f8c41315e01ff28dbc617519763d080","target":"graph","created_at":"2026-07-03T01:17:10Z","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/2408.14989/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this article, we examine the dynamical system of the Decoupled Power-law $f(R,\\mathcal{G})$ gravity model. This $f(R,G)$ model framework is composed of interactions between dark matter and scalar field through the linear coupling term. The key objective of the present study is to describe the cosmological viability of the modified gravity theory formulated with gravity $ f(R, \\mathcal{G}) $. We transform the cosmological equations into an autonomous system of ordinary differential equations by suitable transformation of variables. The decoupled power-law $ f(R,\\mathcal{G})$ model governed b","authors_text":"R. Chaubey, Shivani Sharma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-27T12:10:57Z","title":"Cosmological Model in $f(R, \\mathcal{G})$ Gravity : Stability Analysis and Observational Constraints from DESI DR2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.14989","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":"sha256:88dd871483b0ac8f608353fbf8cba4a89ffd2fdd2abeaf958731bb90f8f6da24","target":"record","created_at":"2026-07-03T01:17:10Z","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":"6ad611ccd591bc917a67db43110ef349c6f3e21f1c01dfbba673d0a637d63acd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"gr-qc","submitted_at":"2024-08-27T12:10:57Z","title_canon_sha256":"5d974a843b2bfa03f3d5e84a42eb213920a0f86012668847eae7074ed5f1f801"},"schema_version":"1.0","source":{"id":"2408.14989","kind":"arxiv","version":3}},"canonical_sha256":"636f56b53be5359d9ce39dab87833ce2e5bba7b1144795d5c1c28decddfd7316","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"636f56b53be5359d9ce39dab87833ce2e5bba7b1144795d5c1c28decddfd7316","first_computed_at":"2026-07-03T01:17:10.131759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:10.131759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"muw2R8mAEFJDYQwK9Xrx7CRjP9VWNFpPStzIbP5HJB+3OmGo7U+g8OPqhqagtGyTWXpqbClqFgOXYJEHv3S3Bg==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:10.132228Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.14989","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88dd871483b0ac8f608353fbf8cba4a89ffd2fdd2abeaf958731bb90f8f6da24","sha256:827e8faa2a7e5cf939ab855d646999645f8c41315e01ff28dbc617519763d080"],"state_sha256":"c93ca7bf425146830f32b3966f4a5303b30b67b8bc5fe79d1a089eaf7a140f41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ktNNBI9hthBP0swfnQycBVw8IoDp1tGgHVQAyFF32gsmmBlCv7otuVhG9mf+zQK5Myg3xrubJCCgcy1iXaz3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:22:52.134861Z","bundle_sha256":"f80640ee314476f889809e19e5c36988f3ef6c4173aace2553e8be3c7d1de3d8"}}