{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:CDYCHFRFMGBACGFSR4L6CWDUSM","short_pith_number":"pith:CDYCHFRF","schema_version":"1.0","canonical_sha256":"10f023962561820118b28f17e1587493134061503a6e97fae998fcd4bb51dc69","source":{"kind":"arxiv","id":"1811.10289","version":1},"attestation_state":"computed","paper":{"title":"X-ray spectra reveal the reawakening of the repeat changing-look AGN NGC 1566","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"D. Grupe, F. Harrison, L. Tom\\'as, M. L. Parker, M. Santos-Lle\\'o, N. Schartel, R. Mikula, S. Komossa, W. Kollatschny","submitted_at":"2018-11-26T11:11:52Z","abstract_excerpt":"We present simultaneous XMM-Newton and NuSTAR observations of the repeat changing-look AGN NGC 1566, which dramatically increased in brightness in the IR to X-ray bands in 2018. The broad-band X-ray spectrum was taken at the peak of the outburst and is typical of Seyfert 1 AGN. The spectrum shows a soft excess, Compton hump, warm absorption and reflection, ruling out tidal disruption as the cause of the outburst and demonstrating that a 'standard' accretion disk can develop very rapidly. The high resolution grating spectrum reveals that the outburst has launched a ~ 500 km/s outflow, and shows"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1811.10289","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-11-26T11:11:52Z","cross_cats_sorted":[],"title_canon_sha256":"474ed37fcf9f1534b265d13c386caec5e6a0583737f1cfd4a8de439be9c3f650","abstract_canon_sha256":"1d6779bf00eb02f8cb11e309a302eab8b40857d1be6272b7fe900189ee7d823a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:56.894548Z","signature_b64":"MxgM+IbNDiewhOAjF+dKHrK837/raN2q1Ro+XZariSWM9KMoLGYjdTXtvq1FfuJz3Z92ADUcT6W3BYSmn8VBBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"10f023962561820118b28f17e1587493134061503a6e97fae998fcd4bb51dc69","last_reissued_at":"2026-05-17T23:59:56.894017Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:56.894017Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-ray spectra reveal the reawakening of the repeat changing-look AGN NGC 1566","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"D. Grupe, F. Harrison, L. Tom\\'as, M. L. Parker, M. Santos-Lle\\'o, N. Schartel, R. Mikula, S. Komossa, W. Kollatschny","submitted_at":"2018-11-26T11:11:52Z","abstract_excerpt":"We present simultaneous XMM-Newton and NuSTAR observations of the repeat changing-look AGN NGC 1566, which dramatically increased in brightness in the IR to X-ray bands in 2018. The broad-band X-ray spectrum was taken at the peak of the outburst and is typical of Seyfert 1 AGN. The spectrum shows a soft excess, Compton hump, warm absorption and reflection, ruling out tidal disruption as the cause of the outburst and demonstrating that a 'standard' accretion disk can develop very rapidly. The high resolution grating spectrum reveals that the outburst has launched a ~ 500 km/s outflow, and shows"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.10289","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1811.10289","created_at":"2026-05-17T23:59:56.894090+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.10289v1","created_at":"2026-05-17T23:59:56.894090+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.10289","created_at":"2026-05-17T23:59:56.894090+00:00"},{"alias_kind":"pith_short_12","alias_value":"CDYCHFRFMGBA","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_16","alias_value":"CDYCHFRFMGBACGFS","created_at":"2026-05-18T12:32:16.446611+00:00"},{"alias_kind":"pith_short_8","alias_value":"CDYCHFRF","created_at":"2026-05-18T12:32:16.446611+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM","json":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM.json","graph_json":"https://pith.science/api/pith-number/CDYCHFRFMGBACGFSR4L6CWDUSM/graph.json","events_json":"https://pith.science/api/pith-number/CDYCHFRFMGBACGFSR4L6CWDUSM/events.json","paper":"https://pith.science/paper/CDYCHFRF"},"agent_actions":{"view_html":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM","download_json":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM.json","view_paper":"https://pith.science/paper/CDYCHFRF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.10289&json=true","fetch_graph":"https://pith.science/api/pith-number/CDYCHFRFMGBACGFSR4L6CWDUSM/graph.json","fetch_events":"https://pith.science/api/pith-number/CDYCHFRFMGBACGFSR4L6CWDUSM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM/action/storage_attestation","attest_author":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM/action/author_attestation","sign_citation":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM/action/citation_signature","submit_replication":"https://pith.science/pith/CDYCHFRFMGBACGFSR4L6CWDUSM/action/replication_record"}},"created_at":"2026-05-17T23:59:56.894090+00:00","updated_at":"2026-05-17T23:59:56.894090+00:00"}