{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:JMBSZDX74DRLYZLARCM3ZLNZOU","short_pith_number":"pith:JMBSZDX7","schema_version":"1.0","canonical_sha256":"4b032c8effe0e2bc65608899bcadb9751f8a3f8b37be8d1df0238f30082c151f","source":{"kind":"arxiv","id":"1706.00791","version":1},"attestation_state":"computed","paper":{"title":"Relativistic geoids and time dependence: quasilocal frames versus isochronometric surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","physics.geo-ph"],"primary_cat":"gr-qc","authors_text":"Marius Oltean, Paul L. McGrath, Richard J. Epp, Robert B. Mann","submitted_at":"2017-06-02T18:00:07Z","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"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1706.00791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-06-02T18:00:07Z","cross_cats_sorted":["astro-ph.EP","physics.geo-ph"],"title_canon_sha256":"ca8124e5c8b907b47cb32663a94e63f87ba8f1761b47f76f0a3ee4a8ac6ee0f5","abstract_canon_sha256":"10b819f5e49e4fbc43dcddf6ac96933e80b106ee43711f727b02257a9d7c26e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:17.045981Z","signature_b64":"aWY6zFqxK8G2PQutJI1hrdzg2uW2SDx7rKlqzsbSMIm74xxPKEMQUJkBrgtlQPmG9qnhMQq1sdgaAIhQkSoiCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b032c8effe0e2bc65608899bcadb9751f8a3f8b37be8d1df0238f30082c151f","last_reissued_at":"2026-05-18T00:42:17.045491Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:17.045491Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Relativistic geoids and time dependence: quasilocal frames versus isochronometric surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","physics.geo-ph"],"primary_cat":"gr-qc","authors_text":"Marius Oltean, Paul L. McGrath, Richard J. Epp, Robert B. Mann","submitted_at":"2017-06-02T18:00:07Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.00791","kind":"arxiv","version":1},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1706.00791","created_at":"2026-05-18T00:42:17.045569+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.00791v1","created_at":"2026-05-18T00:42:17.045569+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.00791","created_at":"2026-05-18T00:42:17.045569+00:00"},{"alias_kind":"pith_short_12","alias_value":"JMBSZDX74DRL","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_16","alias_value":"JMBSZDX74DRLYZLA","created_at":"2026-05-18T12:31:24.725408+00:00"},{"alias_kind":"pith_short_8","alias_value":"JMBSZDX7","created_at":"2026-05-18T12:31:24.725408+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU","json":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU.json","graph_json":"https://pith.science/api/pith-number/JMBSZDX74DRLYZLARCM3ZLNZOU/graph.json","events_json":"https://pith.science/api/pith-number/JMBSZDX74DRLYZLARCM3ZLNZOU/events.json","paper":"https://pith.science/paper/JMBSZDX7"},"agent_actions":{"view_html":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU","download_json":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU.json","view_paper":"https://pith.science/paper/JMBSZDX7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.00791&json=true","fetch_graph":"https://pith.science/api/pith-number/JMBSZDX74DRLYZLARCM3ZLNZOU/graph.json","fetch_events":"https://pith.science/api/pith-number/JMBSZDX74DRLYZLARCM3ZLNZOU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU/action/storage_attestation","attest_author":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU/action/author_attestation","sign_citation":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU/action/citation_signature","submit_replication":"https://pith.science/pith/JMBSZDX74DRLYZLARCM3ZLNZOU/action/replication_record"}},"created_at":"2026-05-18T00:42:17.045569+00:00","updated_at":"2026-05-18T00:42:17.045569+00:00"}