{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1996:2RL34KJUDI3V5AVVYA2AFVVBHO","short_pith_number":"pith:2RL34KJU","schema_version":"1.0","canonical_sha256":"d457be29341a375e82b5c03402d6a13ba29dd6416a11ace37ac9b66f3e665a93","source":{"kind":"arxiv","id":"astro-ph/9607047","version":1},"attestation_state":"computed","paper":{"title":"Discovery of Sub-Millisecond Quasi-Periodic Oscillations in the X-Ray Flux of Scorpius X-1","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Amsterdam), B. Vaughan (Caltech), Center for High-Energy Astrophysics, E.H. Morgan, J.H. Swank, J. Van Paradijs (University of Alabama at Huntsville, K. Jahoda (Goddard Space Flight Center, M. Van der Klis (Astronomical Institute ``Anton Pannekoek'', NASA), University of Amsterdam, University of Amsterdam), W.H.G. Lewin (MIT), W. Zhang","submitted_at":"1996-07-09T18:03:37Z","abstract_excerpt":"We report the discovery, with NASA's Rossi X-ray Timing Explorer (RXTE), of the first sub-millisecond oscillation found in a celestial X-ray source. The quasi-periodic oscillations (QPO) come from Sco X-1 and have a frequency of approximately 1100 Hz, amplitudes of 0.6-1.2% (rms) and are relatively coherent, with Q up to ~10^2. The frequency of the QPO increases with accretion rate, rising from 1050 to 1130 Hz when the source moves from top to bottom along the normal branch in the X-ray color-color diagram, and shows a strong, approximately linear correlation with the frequency of the well-kno"},"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":"astro-ph/9607047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-07-09T18:03:37Z","cross_cats_sorted":[],"title_canon_sha256":"eeaa6473e0b95896ec60ba08c91db67f6d4685c6a9f9c7ce8b716cc22e1b2a7d","abstract_canon_sha256":"2d49c6d7f6596b34a9aa01cbbfbfafb2959f14b3033cb79badc3efa569e80e83"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:00:11.083675Z","signature_b64":"NbFmRy2Cp9TdABQvtBqdOAvCyyCYX4R89I70n3aH8VOySa5R4cmxKRq3AOwCXiblNVVzUUdtg0CUedvjw5TOBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d457be29341a375e82b5c03402d6a13ba29dd6416a11ace37ac9b66f3e665a93","last_reissued_at":"2026-07-04T16:00:11.083247Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:00:11.083247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of Sub-Millisecond Quasi-Periodic Oscillations in the X-Ray Flux of Scorpius X-1","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Amsterdam), B. Vaughan (Caltech), Center for High-Energy Astrophysics, E.H. Morgan, J.H. Swank, J. Van Paradijs (University of Alabama at Huntsville, K. Jahoda (Goddard Space Flight Center, M. Van der Klis (Astronomical Institute ``Anton Pannekoek'', NASA), University of Amsterdam, University of Amsterdam), W.H.G. Lewin (MIT), W. Zhang","submitted_at":"1996-07-09T18:03:37Z","abstract_excerpt":"We report the discovery, with NASA's Rossi X-ray Timing Explorer (RXTE), of the first sub-millisecond oscillation found in a celestial X-ray source. The quasi-periodic oscillations (QPO) come from Sco X-1 and have a frequency of approximately 1100 Hz, amplitudes of 0.6-1.2% (rms) and are relatively coherent, with Q up to ~10^2. The frequency of the QPO increases with accretion rate, rising from 1050 to 1130 Hz when the source moves from top to bottom along the normal branch in the X-ray color-color diagram, and shows a strong, approximately linear correlation with the frequency of the well-kno"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9607047","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9607047/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/9607047","created_at":"2026-07-04T16:00:11.083311+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9607047v1","created_at":"2026-07-04T16:00:11.083311+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9607047","created_at":"2026-07-04T16:00:11.083311+00:00"},{"alias_kind":"pith_short_12","alias_value":"2RL34KJUDI3V","created_at":"2026-07-04T16:00:11.083311+00:00"},{"alias_kind":"pith_short_16","alias_value":"2RL34KJUDI3V5AVV","created_at":"2026-07-04T16:00:11.083311+00:00"},{"alias_kind":"pith_short_8","alias_value":"2RL34KJU","created_at":"2026-07-04T16:00:11.083311+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/2RL34KJUDI3V5AVVYA2AFVVBHO","json":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO.json","graph_json":"https://pith.science/api/pith-number/2RL34KJUDI3V5AVVYA2AFVVBHO/graph.json","events_json":"https://pith.science/api/pith-number/2RL34KJUDI3V5AVVYA2AFVVBHO/events.json","paper":"https://pith.science/paper/2RL34KJU"},"agent_actions":{"view_html":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO","download_json":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO.json","view_paper":"https://pith.science/paper/2RL34KJU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9607047&json=true","fetch_graph":"https://pith.science/api/pith-number/2RL34KJUDI3V5AVVYA2AFVVBHO/graph.json","fetch_events":"https://pith.science/api/pith-number/2RL34KJUDI3V5AVVYA2AFVVBHO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO/action/storage_attestation","attest_author":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO/action/author_attestation","sign_citation":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO/action/citation_signature","submit_replication":"https://pith.science/pith/2RL34KJUDI3V5AVVYA2AFVVBHO/action/replication_record"}},"created_at":"2026-07-04T16:00:11.083311+00:00","updated_at":"2026-07-04T16:00:11.083311+00:00"}