{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:PCUI2CKYVZGHIEP6WJAYHCSGVU","short_pith_number":"pith:PCUI2CKY","schema_version":"1.0","canonical_sha256":"78a88d0958ae4c7411feb241838a46ad1d25d3d88ec0730181af8337261277de","source":{"kind":"arxiv","id":"astro-ph/9712248","version":1},"attestation_state":"computed","paper":{"title":"1H0419-577: a two-state Seyfert Galaxy?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Osservatorio Astronomico di Bologna, (3) Dep. of Astron. & Astophys., (4) SSD/ESTEC. Noordwijk, (5) Mullard Space Science Laboratory, A.Comastri, A.Parmar (4), Dorking, E.M.Puchnarewicz (5) ((1) Beppo-SAX SDC, G.Stirpe (2), Italy, M.Guainazzi (1), Penn State Un., Roma, The Netherlands, U.K.), Un. College London, U.S.A., W.N.Brandt (3)","submitted_at":"1997-12-18T13:31:44Z","abstract_excerpt":"The preliminary results of the BeppoSAX observation of the radio-quiet AGN 1H0419-577 are presented. Despite its broad line optical spectrum, the intermediate X-ray spectrum (i.e. 2--10 keV) is flatter than typically observed in Seyfert 1s and no iron line is significantly detected. Even more intriguingly, a 1992 ROSAT pointed observation suggests a dramatic (~ 1) change in the spectral shape for E < 2 keV. Such behavior is briefly discussed in the framework of our current understanding of Comptonization scenarios in the nuclear regions of radio-quiet AGN."},"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":"astro-ph/9712248","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-12-18T13:31:44Z","cross_cats_sorted":[],"title_canon_sha256":"671976cc92b62bfdecf98c6adbb2535b43e388b99f9681951351cc4b272340ee","abstract_canon_sha256":"4af5c1123f6e02284b23794922d83e1f9e2031d16b15af115ec8eab2cf9a605d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:14.682278Z","signature_b64":"7G/2Xnc4SdhNv7TUH+a04Ypq71M0vij2/3YVEGkRYuBdZC8OFRMNZXgGrmWk3uhpt98e/Ep0tFHnWw+bas3XBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78a88d0958ae4c7411feb241838a46ad1d25d3d88ec0730181af8337261277de","last_reissued_at":"2026-05-18T01:40:14.681633Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:14.681633Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"1H0419-577: a two-state Seyfert Galaxy?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Osservatorio Astronomico di Bologna, (3) Dep. of Astron. & Astophys., (4) SSD/ESTEC. Noordwijk, (5) Mullard Space Science Laboratory, A.Comastri, A.Parmar (4), Dorking, E.M.Puchnarewicz (5) ((1) Beppo-SAX SDC, G.Stirpe (2), Italy, M.Guainazzi (1), Penn State Un., Roma, The Netherlands, U.K.), Un. College London, U.S.A., W.N.Brandt (3)","submitted_at":"1997-12-18T13:31:44Z","abstract_excerpt":"The preliminary results of the BeppoSAX observation of the radio-quiet AGN 1H0419-577 are presented. Despite its broad line optical spectrum, the intermediate X-ray spectrum (i.e. 2--10 keV) is flatter than typically observed in Seyfert 1s and no iron line is significantly detected. Even more intriguingly, a 1992 ROSAT pointed observation suggests a dramatic (~ 1) change in the spectral shape for E < 2 keV. Such behavior is briefly discussed in the framework of our current understanding of Comptonization scenarios in the nuclear regions of radio-quiet AGN."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9712248","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":"astro-ph/9712248","created_at":"2026-05-18T01:40:14.681742+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9712248v1","created_at":"2026-05-18T01:40:14.681742+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9712248","created_at":"2026-05-18T01:40:14.681742+00:00"},{"alias_kind":"pith_short_12","alias_value":"PCUI2CKYVZGH","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"PCUI2CKYVZGHIEP6","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"PCUI2CKY","created_at":"2026-05-18T12:25:48.327863+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/PCUI2CKYVZGHIEP6WJAYHCSGVU","json":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU.json","graph_json":"https://pith.science/api/pith-number/PCUI2CKYVZGHIEP6WJAYHCSGVU/graph.json","events_json":"https://pith.science/api/pith-number/PCUI2CKYVZGHIEP6WJAYHCSGVU/events.json","paper":"https://pith.science/paper/PCUI2CKY"},"agent_actions":{"view_html":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU","download_json":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU.json","view_paper":"https://pith.science/paper/PCUI2CKY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9712248&json=true","fetch_graph":"https://pith.science/api/pith-number/PCUI2CKYVZGHIEP6WJAYHCSGVU/graph.json","fetch_events":"https://pith.science/api/pith-number/PCUI2CKYVZGHIEP6WJAYHCSGVU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU/action/storage_attestation","attest_author":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU/action/author_attestation","sign_citation":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU/action/citation_signature","submit_replication":"https://pith.science/pith/PCUI2CKYVZGHIEP6WJAYHCSGVU/action/replication_record"}},"created_at":"2026-05-18T01:40:14.681742+00:00","updated_at":"2026-05-18T01:40:14.681742+00:00"}