{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JMBSZDX74DRLYZLARCM3ZLNZOU","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":"10b819f5e49e4fbc43dcddf6ac96933e80b106ee43711f727b02257a9d7c26e3","cross_cats_sorted":["astro-ph.EP","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-02T18:00:07Z","title_canon_sha256":"ca8124e5c8b907b47cb32663a94e63f87ba8f1761b47f76f0a3ee4a8ac6ee0f5"},"schema_version":"1.0","source":{"id":"1706.00791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.00791","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"arxiv_version","alias_value":"1706.00791v1","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00791","created_at":"2026-05-18T00:42:17Z"},{"alias_kind":"pith_short_12","alias_value":"JMBSZDX74DRL","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JMBSZDX74DRLYZLA","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JMBSZDX7","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:0ed6a42fb31280ae611151a9fad4a879b0a7c4646cbac6257f77b3d90717f385","target":"graph","created_at":"2026-05-18T00:42:17Z","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":"In a recent paper [D. Philipp, V. Perlick, D. Puetzfeld, E. Hackmann, and C. L\\\"ammerzahl, Phys. Rev. D 95, 104037 (2017)], a definition of a general-relativistic geoid, restricted to stationary spacetimes, was presented in terms of \"isochronometric surfaces\". In this note, we explicate how this definition is just a special, highly restrictive case of our earlier formulation of the general-relativistic geoid using quasilocal frames, which is valid for generic, non-stationary spacetimes [M. Oltean, R.J. Epp, P.L. McGrath, and R.B. Mann, Class. Quantum Grav. 33, 105001 (2016)]. Moreover, like th","authors_text":"Marius Oltean, Paul L. McGrath, Richard J. Epp, Robert B. Mann","cross_cats":["astro-ph.EP","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-02T18:00:07Z","title":"Relativistic geoids and time dependence: quasilocal frames versus isochronometric surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00791","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":"sha256:5743d0f1cc0adecf640bd7cdc1465fee15e19782f49a0fa09cae66ccd102547d","target":"record","created_at":"2026-05-18T00:42:17Z","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":"10b819f5e49e4fbc43dcddf6ac96933e80b106ee43711f727b02257a9d7c26e3","cross_cats_sorted":["astro-ph.EP","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-02T18:00:07Z","title_canon_sha256":"ca8124e5c8b907b47cb32663a94e63f87ba8f1761b47f76f0a3ee4a8ac6ee0f5"},"schema_version":"1.0","source":{"id":"1706.00791","kind":"arxiv","version":1}},"canonical_sha256":"4b032c8effe0e2bc65608899bcadb9751f8a3f8b37be8d1df0238f30082c151f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4b032c8effe0e2bc65608899bcadb9751f8a3f8b37be8d1df0238f30082c151f","first_computed_at":"2026-05-18T00:42:17.045491Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:17.045491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aWY6zFqxK8G2PQutJI1hrdzg2uW2SDx7rKlqzsbSMIm74xxPKEMQUJkBrgtlQPmG9qnhMQq1sdgaAIhQkSoiCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:17.045981Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.00791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5743d0f1cc0adecf640bd7cdc1465fee15e19782f49a0fa09cae66ccd102547d","sha256:0ed6a42fb31280ae611151a9fad4a879b0a7c4646cbac6257f77b3d90717f385"],"state_sha256":"e943da4e54bbd0bbf78d677219956c2f2a9d36b000dd309bd41039e9a6cc3a2e"}