{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:NMXLADSWL74GG75BWA2TBSK7KX","short_pith_number":"pith:NMXLADSW","canonical_record":{"source":{"id":"gr-qc/0405146","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2004-05-29T21:47:59Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"71d67444ec59bcd5f54ca380ddb2c528d24eb02660582848c40e662dc33129b9","abstract_canon_sha256":"968f47054532a4a2353dbd41e098599a31db512fb6079c345a58ba4101ee05f4"},"schema_version":"1.0"},"canonical_sha256":"6b2eb00e565ff8637fa1b03530c95f55d5de5ea7e6a3eaab72550a45e92cc7b9","source":{"kind":"arxiv","id":"gr-qc/0405146","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0405146","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0405146v2","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0405146","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"NMXLADSWL74G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"NMXLADSWL74GG75B","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"NMXLADSW","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:NMXLADSWL74GG75BWA2TBSK7KX","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0405146","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2004-05-29T21:47:59Z","cross_cats_sorted":["astro-ph"],"title_canon_sha256":"71d67444ec59bcd5f54ca380ddb2c528d24eb02660582848c40e662dc33129b9","abstract_canon_sha256":"968f47054532a4a2353dbd41e098599a31db512fb6079c345a58ba4101ee05f4"},"schema_version":"1.0"},"canonical_sha256":"6b2eb00e565ff8637fa1b03530c95f55d5de5ea7e6a3eaab72550a45e92cc7b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:21:31.948329Z","signature_b64":"7RUbWcqQfUJzSH10FujGCsO5DdLLL7S1bBl3jkTk2MaEvHN2eHGVQOlkEU+LzD9lWaY6LepgcQB7TkzOyPJ0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b2eb00e565ff8637fa1b03530c95f55d5de5ea7e6a3eaab72550a45e92cc7b9","last_reissued_at":"2026-05-18T04:21:31.947748Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:21:31.947748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0405146","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":"2026-05-18T04:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BXWpDHyOsD7WRPbUR/1cVozLpicObfTK+J5dBgFokADi9CvTc7x+Aezx6rrEkHalTwRu80vDw2xxoX153/aJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:59:24.684601Z"},"content_sha256":"42a1db47f5cd3d3438787635b94f9767113d376f02eba2fd4df42953098c5c71","schema_version":"1.0","event_id":"sha256:42a1db47f5cd3d3438787635b94f9767113d376f02eba2fd4df42953098c5c71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:NMXLADSWL74GG75BWA2TBSK7KX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rotating neutron stars: an invariant comparison of approximate and numerical spacetime models","license":"","headline":"","cross_cats":["astro-ph"],"primary_cat":"gr-qc","authors_text":"Asimina Maniopoulou, Emanuele Berti, Frances White, Marco Bruni","submitted_at":"2004-05-29T21:47:59Z","abstract_excerpt":"We compare three different models of rotating neutron star spacetimes: the Hartle-Thorne (HT) slow-rotation approximation at second order in rotation, the exact analytic vacuum solution of Manko et al. and a numerical solution of the full Einstein equations. We integrate the HT structure equations for five representative equations of state. Then we match the HT models to numerical solutions of the Einstein equations, imposing that the mass and angular momentum of the models be the same. We estimate the limits of validity of the HT expansion computing relative errors in the spacetime's quadrupo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0405146","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":"2026-05-18T04:21:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J4M/ISKwuBpmT8M5sBpwzznOubasWVZgVxZaY/jkxdWklz/cxximQ/C7Rwpx60Nq8rajvPGExG9PxmfRXslfBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T23:59:24.685247Z"},"content_sha256":"3229348b9233531b473fa719c366bee6b14ea0f45f7c1f7d2e8ebc51b3abb0d9","schema_version":"1.0","event_id":"sha256:3229348b9233531b473fa719c366bee6b14ea0f45f7c1f7d2e8ebc51b3abb0d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NMXLADSWL74GG75BWA2TBSK7KX/bundle.json","state_url":"https://pith.science/pith/NMXLADSWL74GG75BWA2TBSK7KX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NMXLADSWL74GG75BWA2TBSK7KX/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":"2026-05-29T23:59:24Z","links":{"resolver":"https://pith.science/pith/NMXLADSWL74GG75BWA2TBSK7KX","bundle":"https://pith.science/pith/NMXLADSWL74GG75BWA2TBSK7KX/bundle.json","state":"https://pith.science/pith/NMXLADSWL74GG75BWA2TBSK7KX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NMXLADSWL74GG75BWA2TBSK7KX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:NMXLADSWL74GG75BWA2TBSK7KX","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":"968f47054532a4a2353dbd41e098599a31db512fb6079c345a58ba4101ee05f4","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2004-05-29T21:47:59Z","title_canon_sha256":"71d67444ec59bcd5f54ca380ddb2c528d24eb02660582848c40e662dc33129b9"},"schema_version":"1.0","source":{"id":"gr-qc/0405146","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0405146","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0405146v2","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0405146","created_at":"2026-05-18T04:21:31Z"},{"alias_kind":"pith_short_12","alias_value":"NMXLADSWL74G","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"NMXLADSWL74GG75B","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"NMXLADSW","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:3229348b9233531b473fa719c366bee6b14ea0f45f7c1f7d2e8ebc51b3abb0d9","target":"graph","created_at":"2026-05-18T04:21:31Z","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 compare three different models of rotating neutron star spacetimes: the Hartle-Thorne (HT) slow-rotation approximation at second order in rotation, the exact analytic vacuum solution of Manko et al. and a numerical solution of the full Einstein equations. We integrate the HT structure equations for five representative equations of state. Then we match the HT models to numerical solutions of the Einstein equations, imposing that the mass and angular momentum of the models be the same. We estimate the limits of validity of the HT expansion computing relative errors in the spacetime's quadrupo","authors_text":"Asimina Maniopoulou, Emanuele Berti, Frances White, Marco Bruni","cross_cats":["astro-ph"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2004-05-29T21:47:59Z","title":"Rotating neutron stars: an invariant comparison of approximate and numerical spacetime models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0405146","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":"sha256:42a1db47f5cd3d3438787635b94f9767113d376f02eba2fd4df42953098c5c71","target":"record","created_at":"2026-05-18T04:21:31Z","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":"968f47054532a4a2353dbd41e098599a31db512fb6079c345a58ba4101ee05f4","cross_cats_sorted":["astro-ph"],"license":"","primary_cat":"gr-qc","submitted_at":"2004-05-29T21:47:59Z","title_canon_sha256":"71d67444ec59bcd5f54ca380ddb2c528d24eb02660582848c40e662dc33129b9"},"schema_version":"1.0","source":{"id":"gr-qc/0405146","kind":"arxiv","version":2}},"canonical_sha256":"6b2eb00e565ff8637fa1b03530c95f55d5de5ea7e6a3eaab72550a45e92cc7b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b2eb00e565ff8637fa1b03530c95f55d5de5ea7e6a3eaab72550a45e92cc7b9","first_computed_at":"2026-05-18T04:21:31.947748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:21:31.947748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7RUbWcqQfUJzSH10FujGCsO5DdLLL7S1bBl3jkTk2MaEvHN2eHGVQOlkEU+LzD9lWaY6LepgcQB7TkzOyPJ0AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:21:31.948329Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0405146","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42a1db47f5cd3d3438787635b94f9767113d376f02eba2fd4df42953098c5c71","sha256:3229348b9233531b473fa719c366bee6b14ea0f45f7c1f7d2e8ebc51b3abb0d9"],"state_sha256":"8bcd7eff8e8ba50f9aad81946b3b940540a80f4098ac44f2af708e28d0973947"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zDpdE91+NrajOh9D1Um0fHmZX8CfTYzHyuItkfs9o63Rf/9moSZuMy0si4LhHEFW+4hDjP9KOHj9gkGuAmzeBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T23:59:24.688483Z","bundle_sha256":"e9087f4f86b456a86c63bebfb7a70e2bfd050c60dba29d85c2f3aea6ad4aa479"}}