{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JZXENXAFZABKYOEBRU3XEPKZ5V","short_pith_number":"pith:JZXENXAF","canonical_record":{"source":{"id":"1104.1904","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-11T11:14:42Z","cross_cats_sorted":[],"title_canon_sha256":"d63a8c8355da5d8a2675a33922d51070ff0f373089df68aae0b9afa311c9e29b","abstract_canon_sha256":"28eec21d4d5fb3ca2ed69991c664026efae03e6e7ff1409b4c8c44137818a144"},"schema_version":"1.0"},"canonical_sha256":"4e6e46dc05c802ac38818d37723d59ed7b43fce3e1d2f1e5c21389a2d714ed42","source":{"kind":"arxiv","id":"1104.1904","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1904","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1904v2","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1904","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"JZXENXAFZABK","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JZXENXAFZABKYOEB","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JZXENXAF","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JZXENXAFZABKYOEBRU3XEPKZ5V","target":"record","payload":{"canonical_record":{"source":{"id":"1104.1904","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-11T11:14:42Z","cross_cats_sorted":[],"title_canon_sha256":"d63a8c8355da5d8a2675a33922d51070ff0f373089df68aae0b9afa311c9e29b","abstract_canon_sha256":"28eec21d4d5fb3ca2ed69991c664026efae03e6e7ff1409b4c8c44137818a144"},"schema_version":"1.0"},"canonical_sha256":"4e6e46dc05c802ac38818d37723d59ed7b43fce3e1d2f1e5c21389a2d714ed42","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:52.801720Z","signature_b64":"3h43Wqp9xyBbbTfcdH2PT0OH8iMgsWYZ8lOdyE98k92DVWK/9lpfsblIf3EijpOuJWjNGLcEM/RL0eSAgzoqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e6e46dc05c802ac38818d37723d59ed7b43fce3e1d2f1e5c21389a2d714ed42","last_reissued_at":"2026-05-18T04:02:52.800907Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:52.800907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.1904","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8JX76PxLDQ9dQA8D96n4HCbRzl8lSFhp4WfkXwidyXcwIGzg7DrDxYb070tieHDEeUesZ9fG5KuvbjzIGgnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:58:11.708825Z"},"content_sha256":"f5e39a3529750044045dfcce699dadc7f738fdb1253c687ded0735b3983f4eee","schema_version":"1.0","event_id":"sha256:f5e39a3529750044045dfcce699dadc7f738fdb1253c687ded0735b3983f4eee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JZXENXAFZABKYOEBRU3XEPKZ5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phantom phase power-law solution in $f(G)$ gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. R. Rastkar, F. Darabi, M. R. Setare","submitted_at":"2011-04-11T11:14:42Z","abstract_excerpt":"Power-law solutions for $f(G)$ gravity coupled with perfect fluid have been studied for spatially flat universe. It is shown that despite the matter dominated and accelerating power-law solutions, the power-law solution exists for an special form of $f(G)$ when this universe enters a Phantom phase."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1904","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":""},"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":"2026-05-18T04:02:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mpSrUcIiMDeoA/o5KI2aZNV60N9OVBMH2tc+GOH5q8Oeq2/mH/LP0QMf5Onycvb0VSbwfUFen/fswsTocsG8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:58:11.709210Z"},"content_sha256":"379853bbf0b4afcb4cfb4a8d5cd7604906d34da2d1743667e0eff02a5ed7ac12","schema_version":"1.0","event_id":"sha256:379853bbf0b4afcb4cfb4a8d5cd7604906d34da2d1743667e0eff02a5ed7ac12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/bundle.json","state_url":"https://pith.science/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/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":"2026-05-31T02:58:11Z","links":{"resolver":"https://pith.science/pith/JZXENXAFZABKYOEBRU3XEPKZ5V","bundle":"https://pith.science/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/bundle.json","state":"https://pith.science/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZXENXAFZABKYOEBRU3XEPKZ5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JZXENXAFZABKYOEBRU3XEPKZ5V","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":"28eec21d4d5fb3ca2ed69991c664026efae03e6e7ff1409b4c8c44137818a144","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-11T11:14:42Z","title_canon_sha256":"d63a8c8355da5d8a2675a33922d51070ff0f373089df68aae0b9afa311c9e29b"},"schema_version":"1.0","source":{"id":"1104.1904","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.1904","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"arxiv_version","alias_value":"1104.1904v2","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.1904","created_at":"2026-05-18T04:02:52Z"},{"alias_kind":"pith_short_12","alias_value":"JZXENXAFZABK","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JZXENXAFZABKYOEB","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JZXENXAF","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:379853bbf0b4afcb4cfb4a8d5cd7604906d34da2d1743667e0eff02a5ed7ac12","target":"graph","created_at":"2026-05-18T04:02:52Z","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":"Power-law solutions for $f(G)$ gravity coupled with perfect fluid have been studied for spatially flat universe. It is shown that despite the matter dominated and accelerating power-law solutions, the power-law solution exists for an special form of $f(G)$ when this universe enters a Phantom phase.","authors_text":"A. R. Rastkar, F. Darabi, M. R. Setare","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-11T11:14:42Z","title":"Phantom phase power-law solution in $f(G)$ gravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.1904","kind":"arxiv","version":2},"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:f5e39a3529750044045dfcce699dadc7f738fdb1253c687ded0735b3983f4eee","target":"record","created_at":"2026-05-18T04:02:52Z","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":"28eec21d4d5fb3ca2ed69991c664026efae03e6e7ff1409b4c8c44137818a144","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-04-11T11:14:42Z","title_canon_sha256":"d63a8c8355da5d8a2675a33922d51070ff0f373089df68aae0b9afa311c9e29b"},"schema_version":"1.0","source":{"id":"1104.1904","kind":"arxiv","version":2}},"canonical_sha256":"4e6e46dc05c802ac38818d37723d59ed7b43fce3e1d2f1e5c21389a2d714ed42","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e6e46dc05c802ac38818d37723d59ed7b43fce3e1d2f1e5c21389a2d714ed42","first_computed_at":"2026-05-18T04:02:52.800907Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:52.800907Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3h43Wqp9xyBbbTfcdH2PT0OH8iMgsWYZ8lOdyE98k92DVWK/9lpfsblIf3EijpOuJWjNGLcEM/RL0eSAgzoqAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:52.801720Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.1904","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5e39a3529750044045dfcce699dadc7f738fdb1253c687ded0735b3983f4eee","sha256:379853bbf0b4afcb4cfb4a8d5cd7604906d34da2d1743667e0eff02a5ed7ac12"],"state_sha256":"9f91b4892b87d34ed62eef52ad6cf15fd27b178c20c8be7893d540906cb01441"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mXJ+0FbPribzY739/l2ibOl/KoOCQiG6Hqwy1Aj5rmMI9mOUi4gn0SgUOUStNl07AmJA3kgaKpB4aU2gQ5MEDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:58:11.711762Z","bundle_sha256":"6b3409fe570f471e613cde9bdb319d9bfd3f4f4b1a8980e70e44c9a76a2a6b86"}}