{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:6EELPFLPS7F4O7DS6GGWK6NMOV","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":"5b70ff64307352f9b4ec0bc169dba2785db2c4d11fb7ccd12afef1d0d86f7391","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-21T19:17:26Z","title_canon_sha256":"7a96581798242c7af0ca5f49771472c210c1e3ef3f780389236ff88f017ab43e"},"schema_version":"1.0","source":{"id":"1808.07091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.07091","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"arxiv_version","alias_value":"1808.07091v1","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.07091","created_at":"2026-05-18T00:00:50Z"},{"alias_kind":"pith_short_12","alias_value":"6EELPFLPS7F4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"6EELPFLPS7F4O7DS","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"6EELPFLP","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:c7f60e70a2fe3c235893db0b29a9568c61e34d42c847c2c039d56f307f608763","target":"graph","created_at":"2026-05-18T00:00:50Z","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 present our analysis of X-ray spectral properties observed from the Seyfrert 1 galactic nucleus NGC~7469 using the RXTE and ASCA observations. We demonstrate strong observational evidence that NGC~7469 undergoes spectral transitions from the low hard state (LHS) to the intermediate state (IS) during these observations. The RXTE observations (1996--2009) show that the source was in the IS ~ 75 % of the time only, ~ 25 % of the time in the LHS. The spectra of NGC~7469 are well fitted by the so-called bulk motion Comptonization (BMC) model for all spectral states. We have established the photo","authors_text":"Elena Seifina (LAPTH, France), Italy), Lev Titarchuk (University of Ferrara, Lyubov Ugolkova (GAISH, MSU, Russia)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-21T19:17:26Z","title":"Scaling of X-ray spectral properties of a black hole in the Seyfert 1 galaxy NGC~7469"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.07091","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":"sha256:6d17526480adb3eea3b6f857b27c2ebb134496cb4c36f7064ea7ae847f9cb670","target":"record","created_at":"2026-05-18T00:00:50Z","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":"5b70ff64307352f9b4ec0bc169dba2785db2c4d11fb7ccd12afef1d0d86f7391","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-21T19:17:26Z","title_canon_sha256":"7a96581798242c7af0ca5f49771472c210c1e3ef3f780389236ff88f017ab43e"},"schema_version":"1.0","source":{"id":"1808.07091","kind":"arxiv","version":1}},"canonical_sha256":"f108b7956f97cbc77c72f18d6579ac754d7c8403b8ebc99e90f2b746bf8429d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f108b7956f97cbc77c72f18d6579ac754d7c8403b8ebc99e90f2b746bf8429d9","first_computed_at":"2026-05-18T00:00:50.949551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:50.949551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7yNw9v6Fmd6NpJAuFJZGJAJfLkCa++rOEAbUkPa+0uOuRukA1QCi6EOULN/BGxJ6a7bHvPXBecbK4lilKuj2Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:50.950189Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.07091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d17526480adb3eea3b6f857b27c2ebb134496cb4c36f7064ea7ae847f9cb670","sha256:c7f60e70a2fe3c235893db0b29a9568c61e34d42c847c2c039d56f307f608763"],"state_sha256":"e0ba4dafdbdad56aeb032a58e021671e25d2cf7d6a3c21567697edeb1a4190d3"}