{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:TGAF76FVVZZVNFFL6O3SCYHS4U","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":"073b952ee339b15f930ecfde351144258041d5222f12e5bd3ee18f290f5e37c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-03-20T18:17:13Z","title_canon_sha256":"d089925fca5ba1d7d446da1ee0ee6d94b87f15da438a443e67de9d9d98ac7cd5"},"schema_version":"1.0","source":{"id":"0903.3582","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.3582","created_at":"2026-05-18T02:14:26Z"},{"alias_kind":"arxiv_version","alias_value":"0903.3582v2","created_at":"2026-05-18T02:14:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.3582","created_at":"2026-05-18T02:14:26Z"},{"alias_kind":"pith_short_12","alias_value":"TGAF76FVVZZV","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"TGAF76FVVZZVNFFL","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"TGAF76FV","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:6ea022dd28b0bb79317fe3af7dcbbefd432ffdca9b760814fb4e8fe42a1c667d","target":"graph","created_at":"2026-05-18T02:14:26Z","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 study in detail the GR models of the X-ray spectral variability for various geometries of the X-ray source and with various relativistic effects being the dominant cause of spectral variability. The predicted properties are compared with the Suzaku observational data of the Seyfert 1 galaxy MCG--6-30-15. The data disfavor models with the X-ray source (1) moving vertically on the symmetry axis or (2) corotating with the disc and changing height not far above the disc surface. The most likely explanation for the observed variability is given by the model involving the X-ray source located at ","authors_text":"A. Niedzwiecki, T. Miyakawa","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-03-20T18:17:13Z","title":"GR models of the X-ray spectral variability of MCG--6-30-15"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.3582","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":"sha256:5bbf8ed4f9d1bbfe605d72b0d43628cad8bd1440be30e94f3cb25caa0f5bc953","target":"record","created_at":"2026-05-18T02:14:26Z","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":"073b952ee339b15f930ecfde351144258041d5222f12e5bd3ee18f290f5e37c2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-03-20T18:17:13Z","title_canon_sha256":"d089925fca5ba1d7d446da1ee0ee6d94b87f15da438a443e67de9d9d98ac7cd5"},"schema_version":"1.0","source":{"id":"0903.3582","kind":"arxiv","version":2}},"canonical_sha256":"99805ff8b5ae735694abf3b72160f2e52c634819e8ab3bcbc099d08ceda4ad02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99805ff8b5ae735694abf3b72160f2e52c634819e8ab3bcbc099d08ceda4ad02","first_computed_at":"2026-05-18T02:14:26.921884Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:26.921884Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yv9ilS+GouR0wbtirsoBquh/5+p3fyalYn0yVexa02v4qGRxq6WNKW0KjH3qfL1HNbH60ydI5m12Tfo2iNVLDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:26.922511Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.3582","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bbf8ed4f9d1bbfe605d72b0d43628cad8bd1440be30e94f3cb25caa0f5bc953","sha256:6ea022dd28b0bb79317fe3af7dcbbefd432ffdca9b760814fb4e8fe42a1c667d"],"state_sha256":"14a96e04806dc0aca1fd22ee8c6e1bd3e917fa78f04c8929e2ca48907802c93e"}