{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:U423QXNM2NIMYULUQ6UT2NV6F6","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":"12876c7a130caa9bce59bf4fbbabdac970b9a3bb6662a720f1ab9acf83051ed8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-08-21T20:50:09Z","title_canon_sha256":"53aa364f36dada221d51f28eaeb690ae11c3a8fad8c09274b2ec82eab8116fa2"},"schema_version":"1.0","source":{"id":"astro-ph/0208402","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0208402","created_at":"2026-07-04T14:12:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0208402v1","created_at":"2026-07-04T14:12:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0208402","created_at":"2026-07-04T14:12:10Z"},{"alias_kind":"pith_short_12","alias_value":"U423QXNM2NIM","created_at":"2026-07-04T14:12:10Z"},{"alias_kind":"pith_short_16","alias_value":"U423QXNM2NIMYULU","created_at":"2026-07-04T14:12:10Z"},{"alias_kind":"pith_short_8","alias_value":"U423QXNM","created_at":"2026-07-04T14:12:10Z"}],"graph_snapshots":[{"event_id":"sha256:faedc8da26166eb569a2ef8b1c0a225278ac45ce0bf667d3be251241cae38c2f","target":"graph","created_at":"2026-07-04T14:12:10Z","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/0208402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We briefly review the properties and physical consequences of quasiperiodic oscillations (QPOs) seen on many occasions in the X-ray emission from black-hole binary systems. We also report on the discovery of QPOs at 164 and 328 Hz in GRS1915+105. These appear to be analogous to the harmonic systems of high-frequency QPOs seen in XTEJ1550-564 and GROJ1655-40.","authors_text":"Jeffrey E. McClintock (CfA), Jerome A. Orosz (Utrecht U.), Michael P. Muno (MIT), Ronald A. Remillard","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-08-21T20:50:09Z","title":"X-ray QPOs in Black-Hole Binary Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0208402","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:a65b39337ee9d20354015b9ba2fcfca808c02e62550a6d8ad448f4b27a4cfc00","target":"record","created_at":"2026-07-04T14:12:10Z","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":"12876c7a130caa9bce59bf4fbbabdac970b9a3bb6662a720f1ab9acf83051ed8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-08-21T20:50:09Z","title_canon_sha256":"53aa364f36dada221d51f28eaeb690ae11c3a8fad8c09274b2ec82eab8116fa2"},"schema_version":"1.0","source":{"id":"astro-ph/0208402","kind":"arxiv","version":1}},"canonical_sha256":"a735b85dacd350cc517487a93d36be2fb3d5eef0fc03737910411096a209391d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a735b85dacd350cc517487a93d36be2fb3d5eef0fc03737910411096a209391d","first_computed_at":"2026-07-04T14:12:10.932783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:12:10.932783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u6EdjZasojGhAlIO29gmYBeLULBYxNZ2SenJ7Dl8FnREW9c9WfHEHRmQN3drpS8ZHyYW4ZZr75lJ8t2gNNjyAA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:12:10.933171Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0208402","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a65b39337ee9d20354015b9ba2fcfca808c02e62550a6d8ad448f4b27a4cfc00","sha256:faedc8da26166eb569a2ef8b1c0a225278ac45ce0bf667d3be251241cae38c2f"],"state_sha256":"2f443107229af5d34c618d5c6375aee17280cdd0fb914d366ec9ba5e1604b76a"}