{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DM4OHGPORQBRLQIPEIAO5VVXG5","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":"bc5ed89126130f98e7d65dd0ba26048f7176c39d08d1a57127d335a8a78e0de5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-02-29T09:46:37Z","title_canon_sha256":"d97f54ee5965269dd491e4362ccd2e96f9817970df706863a2592a3857d36c0a"},"schema_version":"1.0","source":{"id":"2402.18993","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.18993","created_at":"2026-07-05T08:42:33Z"},{"alias_kind":"arxiv_version","alias_value":"2402.18993v2","created_at":"2026-07-05T08:42:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18993","created_at":"2026-07-05T08:42:33Z"},{"alias_kind":"pith_short_12","alias_value":"DM4OHGPORQBR","created_at":"2026-07-05T08:42:33Z"},{"alias_kind":"pith_short_16","alias_value":"DM4OHGPORQBRLQIP","created_at":"2026-07-05T08:42:33Z"},{"alias_kind":"pith_short_8","alias_value":"DM4OHGPO","created_at":"2026-07-05T08:42:33Z"}],"graph_snapshots":[{"event_id":"sha256:a094b94cdac2f996ad8c3fa4ff8a322dea9dbf4bace9457c041f343c62bdd760","target":"graph","created_at":"2026-07-05T08:42:33Z","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/2402.18993/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We extend the concept of the Kodama symmetry, a quasi-local time translation symmetry for dynamical spherically symmetric spacetimes, to a specific class of dynamical axisymmetric spacetimes, namely the families of Kerr-Vaidya and Kerr-Vaidya-de Sitter spacetimes. We study some geometrical properties of the asymptotically flat Kerr-Vaidya metric, such as the Brown-York mass and the Einstein tensor. Furthermore, we propose a generalization of the Kerr-Vaidya metric to an asymptotic de Sitter background. We show that for these classes of dynamical axisymmetric black hole spacetimes, there exists","authors_text":"Philipp Dorau, Rainer Verch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-02-29T09:46:37Z","title":"Kodama-like Vector Fields in Axisymmetric Spacetimes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18993","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":"sha256:9935af842f9948a08748a542f9f6d347013848b8e1d97b22dec8ea5de9aa1975","target":"record","created_at":"2026-07-05T08:42:33Z","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":"bc5ed89126130f98e7d65dd0ba26048f7176c39d08d1a57127d335a8a78e0de5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-02-29T09:46:37Z","title_canon_sha256":"d97f54ee5965269dd491e4362ccd2e96f9817970df706863a2592a3857d36c0a"},"schema_version":"1.0","source":{"id":"2402.18993","kind":"arxiv","version":2}},"canonical_sha256":"1b38e399ee8c0315c10f2200eed6b73751f5f04031c0d56d535c87f2eb06c647","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b38e399ee8c0315c10f2200eed6b73751f5f04031c0d56d535c87f2eb06c647","first_computed_at":"2026-07-05T08:42:33.446723Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:42:33.446723Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YhbS9ipLRgYTX23sh+z1rHfAsrdjVR/uMDBomXJwWvzpsDfPPH4/sFqBs8USz+Utdm9HUHEFSRhIEp+x0gMuBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:42:33.447198Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.18993","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9935af842f9948a08748a542f9f6d347013848b8e1d97b22dec8ea5de9aa1975","sha256:a094b94cdac2f996ad8c3fa4ff8a322dea9dbf4bace9457c041f343c62bdd760"],"state_sha256":"69b177e8c5d53a44b7cc6cfc81fd487194d849bd78764c7a0f939ffd6a2e492b"}