{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CB2M3CGV7HLYKCQLJUPTDLFXCT","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":"c071a8ac0623764ca68fe12ec1ca1e291d166924706a8e59fb488e802b14d38a","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-17T07:44:41Z","title_canon_sha256":"2380af8c36a65835e47a581166e1bda24a2f6b2d2eb9c7f69695fe0d26e1a2c7"},"schema_version":"1.0","source":{"id":"1307.4523","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.4523","created_at":"2026-05-18T03:18:17Z"},{"alias_kind":"arxiv_version","alias_value":"1307.4523v1","created_at":"2026-05-18T03:18:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.4523","created_at":"2026-05-18T03:18:17Z"},{"alias_kind":"pith_short_12","alias_value":"CB2M3CGV7HLY","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CB2M3CGV7HLYKCQL","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CB2M3CGV","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:32a930caa1be8fc9160d7b8ac6ef7b4040d0c2f63d791e9cd9591f109a7c0b26","target":"graph","created_at":"2026-05-18T03:18:17Z","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 shortly review the state of art and perspectives of Extended Theories of Gravity.","authors_text":"Mariafelicia De Laurentis, Salvatore Capozziello","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-17T07:44:41Z","title":"Extended Gravity: State of the Art and Perspectives"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.4523","kind":"arxiv","version":1},"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":"sha256:704e95000370f43d4ffda731eb0cbe83fc0e8741b895fb9f13881c5ec6248749","target":"record","created_at":"2026-05-18T03:18:17Z","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":"c071a8ac0623764ca68fe12ec1ca1e291d166924706a8e59fb488e802b14d38a","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-07-17T07:44:41Z","title_canon_sha256":"2380af8c36a65835e47a581166e1bda24a2f6b2d2eb9c7f69695fe0d26e1a2c7"},"schema_version":"1.0","source":{"id":"1307.4523","kind":"arxiv","version":1}},"canonical_sha256":"1074cd88d5f9d7850a0b4d1f31acb714f56e3f1edc4a908b3ca564c7c1353ae3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1074cd88d5f9d7850a0b4d1f31acb714f56e3f1edc4a908b3ca564c7c1353ae3","first_computed_at":"2026-05-18T03:18:17.720324Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:18:17.720324Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8JY6dt5Ko+DX/qJgxKs5mBmrIdarocgoi6xigkyGTtXPCD9qxai9KAkz3W0XWQ5/tfWXSSZriP7wpYYb0YsaCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:18:17.720920Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.4523","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:704e95000370f43d4ffda731eb0cbe83fc0e8741b895fb9f13881c5ec6248749","sha256:32a930caa1be8fc9160d7b8ac6ef7b4040d0c2f63d791e9cd9591f109a7c0b26"],"state_sha256":"1e29cbb8483fe0da64494ca449cc6e3a4a0ece732c607037c6bd3961e80cca02"}