{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BXFHVSDRBEAFHX7ZA5FP4P63IX","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":"eb6f97e9bdf10afe2711b399a7f328c399dd2b1608c3d9f94e220334d857fe3a","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-25T17:59:59Z","title_canon_sha256":"28665356b85cd3c4225a446bab3b30362a1544ecdeaae479bb5a0a8518c196cc"},"schema_version":"1.0","source":{"id":"2404.16832","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.16832","created_at":"2026-07-05T08:13:33Z"},{"alias_kind":"arxiv_version","alias_value":"2404.16832v2","created_at":"2026-07-05T08:13:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.16832","created_at":"2026-07-05T08:13:33Z"},{"alias_kind":"pith_short_12","alias_value":"BXFHVSDRBEAF","created_at":"2026-07-05T08:13:33Z"},{"alias_kind":"pith_short_16","alias_value":"BXFHVSDRBEAFHX7Z","created_at":"2026-07-05T08:13:33Z"},{"alias_kind":"pith_short_8","alias_value":"BXFHVSDR","created_at":"2026-07-05T08:13:33Z"}],"graph_snapshots":[{"event_id":"sha256:c9a881803692c64dc2a3be97b5f596766dc8d03c95fa0a90c92c95628f35a372","target":"graph","created_at":"2026-07-05T08:13:33Z","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/2404.16832/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations of high-redshift quasars frequently promote suggestions of large black hole masses, whose presence so early in cosmic time is not easily explicable. I consider the parallel with ultraluminous X-ray sources (ULXs) -- now known to be stellar-mass black hole (and neutron star) binaries apparently radiating far above their Eddington luminosities $L_{\\rm Edd}$. The true luminosity in ULXs is actually only of order $L_{\\rm Edd}$, for {\\it stellar-mass} accretors, but has a very anisotropic (`beamed') component, plus a near-isotropic component of similar luminosity but much lower specifi","authors_text":"Andrew King","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-25T17:59:59Z","title":"The Black-Hole Masses of High-Redshift QSOs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.16832","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":"sha256:0d6aa388582e99eac3fa8156ecf5df1fadbd6da81e2aef4c6cfc30ce92f17dfe","target":"record","created_at":"2026-07-05T08:13:33Z","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":"eb6f97e9bdf10afe2711b399a7f328c399dd2b1608c3d9f94e220334d857fe3a","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-04-25T17:59:59Z","title_canon_sha256":"28665356b85cd3c4225a446bab3b30362a1544ecdeaae479bb5a0a8518c196cc"},"schema_version":"1.0","source":{"id":"2404.16832","kind":"arxiv","version":2}},"canonical_sha256":"0dca7ac871090053dff9074afe3fdb45f0f975c41ce5c539c4ebe3124c6b5fe4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0dca7ac871090053dff9074afe3fdb45f0f975c41ce5c539c4ebe3124c6b5fe4","first_computed_at":"2026-07-05T08:13:33.946493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:13:33.946493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CheiB4X+xziCyXczH8SpDy+vfQoweZ6rK8ELuepUF0RZMyqBRudp3pcZhiY7stMQACTwObTa7kxhAbRoGsjrCg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:13:33.947000Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.16832","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d6aa388582e99eac3fa8156ecf5df1fadbd6da81e2aef4c6cfc30ce92f17dfe","sha256:c9a881803692c64dc2a3be97b5f596766dc8d03c95fa0a90c92c95628f35a372"],"state_sha256":"7eebd5314e23e212903ff50abc3b9de0e9cdaf2c7aa7c39186d1abfa7c7146e7"}