{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LNERVWW5IEEZ6N4T7HWEXDGJLE","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":"d51b8709a4a2df8a95a2ce0967c18ded7a5160d7123e815e806ab87051371fb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-07T20:00:23Z","title_canon_sha256":"b817095fa7ffa4362fe3d54e63a3b7871f26b6512ccd71d533a54eefa85483a2"},"schema_version":"1.0","source":{"id":"1308.1681","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1681","created_at":"2026-05-18T03:16:28Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1681v1","created_at":"2026-05-18T03:16:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1681","created_at":"2026-05-18T03:16:28Z"},{"alias_kind":"pith_short_12","alias_value":"LNERVWW5IEEZ","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LNERVWW5IEEZ6N4T","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LNERVWW5","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:da5b00712869679b972c9734bdde8e00434c8429fcd9c51d8bbe1480c0d83702","target":"graph","created_at":"2026-05-18T03:16:28Z","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 report the discovery with XMM-Newton of an approximately 7 mHz X-ray (0.3-10.0 keV) quasi-periodic oscillation (QPO) from the eclipsing, high-inclination black hole binary IC 10 X-1. The QPO is significant at > 4.33 sigma confidence level and has a fractional amplitude (% rms) and a quality factor, Q, of approximately 11 and 4, respectively. The overall X-ray (0.3-10.0 keV) power spectrum in the frequency range 0.0001 - 0.1 Hz can be described by a power-law with an index of -2, and a QPO at 7 mHz. At frequencies > 0.02 Hz there is no evidence for significant variability. The fractional amp","authors_text":"Dheeraj R. Pasham (UMD), Richard F. Mushotzky (UMD), Tod E. Strohmayer (NASA/GSFC)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-07T20:00:23Z","title":"Discovery of a 7 mHz X-Ray Quasi-periodic Oscillation from the most Massive Stellar-mass Black Hole IC 10 X-1"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1681","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:c1832041b5ae37b8bd476da32a807981f6cabf99608a0dd610babd7f86f6b0b1","target":"record","created_at":"2026-05-18T03:16:28Z","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":"d51b8709a4a2df8a95a2ce0967c18ded7a5160d7123e815e806ab87051371fb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-08-07T20:00:23Z","title_canon_sha256":"b817095fa7ffa4362fe3d54e63a3b7871f26b6512ccd71d533a54eefa85483a2"},"schema_version":"1.0","source":{"id":"1308.1681","kind":"arxiv","version":1}},"canonical_sha256":"5b491adadd41099f3793f9ec4b8cc959004822163d18e02974c25b66031259d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b491adadd41099f3793f9ec4b8cc959004822163d18e02974c25b66031259d5","first_computed_at":"2026-05-18T03:16:28.060910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:28.060910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"R7a9YG7fT3HR5aPPrdOsCDhyImlIMKuHru+M2AwNlK+DJjesbaJEEf53Rm8AAUS5nsh4zxU4MeSu5iBwGX79BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:28.061447Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.1681","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1832041b5ae37b8bd476da32a807981f6cabf99608a0dd610babd7f86f6b0b1","sha256:da5b00712869679b972c9734bdde8e00434c8429fcd9c51d8bbe1480c0d83702"],"state_sha256":"3962d2beb498439c2f73fd642eb8816f61275e82f481b18b5d5abfae798683f2"}