{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:SNI7BX5NYUYYMIIGQQZBKV5MHV","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":"5a78038f1364a86d3cab1185d2ce89ab0414e4260d47778a00d9230be55bcd96","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-11-28T00:28:47Z","title_canon_sha256":"bd78c0ea281e0e2e46b52a7691c1dfbb02ae175c708bcd567e7a7df3faffeea1"},"schema_version":"1.0","source":{"id":"1211.6487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.6487","created_at":"2026-05-18T01:52:54Z"},{"alias_kind":"arxiv_version","alias_value":"1211.6487v1","created_at":"2026-05-18T01:52:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.6487","created_at":"2026-05-18T01:52:54Z"},{"alias_kind":"pith_short_12","alias_value":"SNI7BX5NYUYY","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"SNI7BX5NYUYYMIIG","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"SNI7BX5N","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:a37f5bedf83fd6a4d74a4e0110fb10a6400ea51c474934b016cef652e37c8add","target":"graph","created_at":"2026-05-18T01:52:54Z","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":"Recent quasar microlensing observations have constrained the sizes of X-ray emission regions to be within about 10 gravitational radii of the central supermassive black hole. Therefore, the X-ray emission from lensed quasars is first strongly lensed by the black hole before it is lensed by the foreground galaxy and star fields. We present a scheme that combines the initial strong lensing of a Kerr black hole with standard linearized microlensing by intervening stars. We find that X-ray microlensed light curves incorporating Kerr strong gravity can differ significantly from standard curves. The","authors_text":"Bin Chen, Eddie Baron, Ronald Kantowski, Xinyu Dai","cross_cats":["astro-ph.CO","astro-ph.GA","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-11-28T00:28:47Z","title":"Effects of Kerr Strong Gravity on Quasar X-ray Microlensing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.6487","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":"sha256:26f9656436c7cb2a0294fe364d859074821a674fb023fb3f48672b5fa5817532","target":"record","created_at":"2026-05-18T01:52:54Z","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":"5a78038f1364a86d3cab1185d2ce89ab0414e4260d47778a00d9230be55bcd96","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-11-28T00:28:47Z","title_canon_sha256":"bd78c0ea281e0e2e46b52a7691c1dfbb02ae175c708bcd567e7a7df3faffeea1"},"schema_version":"1.0","source":{"id":"1211.6487","kind":"arxiv","version":1}},"canonical_sha256":"9351f0dfadc53186210684321557ac3d7d7d4b268f67ee67af308e5d98468abe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9351f0dfadc53186210684321557ac3d7d7d4b268f67ee67af308e5d98468abe","first_computed_at":"2026-05-18T01:52:54.070629Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:54.070629Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4667tEsnsIJTSZaYy+Eo7ZEhbX6a1qZs9SQZWG7BXCt3XxJEtdZUVFb7Zki+z0+j9koyEpZU5Yr5ccSDAnpnCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:54.071172Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.6487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26f9656436c7cb2a0294fe364d859074821a674fb023fb3f48672b5fa5817532","sha256:a37f5bedf83fd6a4d74a4e0110fb10a6400ea51c474934b016cef652e37c8add"],"state_sha256":"15b6e6be415fefd870e2675dc4b859fb01b67e1ec446d56cfb55880a298e5b0e"}