{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:VYSSCTER6LLSZI5FD73MP57ISF","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":"d0a9c1b34fd64a97d1e25b4b57f8104b9ff64cd119c96559a8d240b86f8c46a1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-22T14:45:25Z","title_canon_sha256":"a50e24ceb4434e481f24241c9188d314af1de402582741b24ac87816d403ecfd"},"schema_version":"1.0","source":{"id":"astro-ph/9804225","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9804225","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9804225v1","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9804225","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_12","alias_value":"VYSSCTER6LLS","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_16","alias_value":"VYSSCTER6LLSZI5F","created_at":"2026-07-04T16:06:19Z"},{"alias_kind":"pith_short_8","alias_value":"VYSSCTER","created_at":"2026-07-04T16:06:19Z"}],"graph_snapshots":[{"event_id":"sha256:12c2ff95df1eb0cfbc3e2c88339fa3c155e1a491c6e0421ae3f68587adc07538","target":"graph","created_at":"2026-07-04T16:06:19Z","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/astro-ph/9804225/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report the discovery of two simultaneous quasi-periodic oscillations in the persistent flux of GX 349+2 at frequencies 712 +/- 9 and 978 +/- 9 Hz, with rms amplitudes 1.25% +/- 0.34% and 1.34 +/- 0.32%, respectively. During our 152 ks observation with the Rossi X-ray Timing Explorer, GX 342+2 was in either the normal branch or the flaring branch with count rates in the nominal 2-60 keV RXTE-PCA band ranging from a low of 8,000 cps to a high of 15,000 cps. The kHz QPOs were observed only when the source was at the top of the normal branch when the count rate was about 8,200 cps corresponding","authors_text":"J. H. Swank (Goddard Space Flight Center), T. E. Strohmayer, W. Zhang","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-04-22T14:45:25Z","title":"Discovery of Two Simultaneous Kilohertz QPOs in the Persistent Flux of GX 349+2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9804225","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":"sha256:7cb8537374afb2dbbd552daa242fe33452ddb59191c873981c9d3ab6cbd7e3cf","target":"record","created_at":"2026-07-04T16:06:19Z","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":"d0a9c1b34fd64a97d1e25b4b57f8104b9ff64cd119c96559a8d240b86f8c46a1","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-04-22T14:45:25Z","title_canon_sha256":"a50e24ceb4434e481f24241c9188d314af1de402582741b24ac87816d403ecfd"},"schema_version":"1.0","source":{"id":"astro-ph/9804225","kind":"arxiv","version":1}},"canonical_sha256":"ae25214c91f2d72ca3a51ff6c7f7e89174b34d527cf6f90e84d496f8792d9b33","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae25214c91f2d72ca3a51ff6c7f7e89174b34d527cf6f90e84d496f8792d9b33","first_computed_at":"2026-07-04T16:06:19.591390Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:06:19.591390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B8L+8iu8AZ8oHOt8iBpWql9rz55j/9WKRlP9tgyCQGiSEOY/VwzifSG5ZuM0JTkuNDnqk3t/GDcKzL0ZylVuAw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:06:19.591775Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9804225","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cb8537374afb2dbbd552daa242fe33452ddb59191c873981c9d3ab6cbd7e3cf","sha256:12c2ff95df1eb0cfbc3e2c88339fa3c155e1a491c6e0421ae3f68587adc07538"],"state_sha256":"5ba19400429b31886ff50ebee2da3adeaf1e62cdfc3873bbb662248ec824d336"}