{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:U7AYXBLS73UUGIVPH5ZRC27EGY","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":"0041d443d517298e054e85e765dcdb8fb0b64fc5611dbbe49b84775630ad62b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-21T16:40:59Z","title_canon_sha256":"d560c5a535fe381d7c84e4cd0fb8f106566c8640e32ad77fe3991047d699f3d2"},"schema_version":"1.0","source":{"id":"astro-ph/9305026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9305026","created_at":"2026-05-18T04:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9305026v1","created_at":"2026-05-18T04:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9305026","created_at":"2026-05-18T04:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"U7AYXBLS73UU","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"U7AYXBLS73UUGIVP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"U7AYXBLS","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:3ec50430385aa209f9adbe9d7f23e2d37a590a82398be718ace45780f3357253","target":"graph","created_at":"2026-05-18T04:28:28Z","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 analyze the ultraviolet (UV) emission line and continuum properties of five low-redshift active galactic nuclei (four luminous quasars: PKS~0405$-$123, H1821+643, PG~0953+414, and 3C273, and one bright Seyfert 1 galaxy: Mrk~205). The HST spectra have higher signal-to-noise ratios (typically $\\sim 60$ per resolution element) and spectral resolution ($R = 1300$) than all previously- published UV spectra used to study the emission characteristics of active galactic nuclei. We include in the analysis ground-based optical spectra covering \\hb\\ and the narrow [O III] $\\lambda\\lambda$4959,5007 dou","authors_text":"Ari Laor, Buell T. Jannuzi, Donald P. Schneider (IAS), George F. Hartig (STScI), John N. Bahcall, Richard F. Green (NOAO)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1993-05-21T16:40:59Z","title":"The Ultraviolet Emission Properties of Five Low-Redshift Active Galactic Nuclei at High Signal to Noise and Spectral Resolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9305026","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":"sha256:7f2da52d75a17bc10ee195b6cb9a74e858f1cd38ead4fbe5e037247c99cc1274","target":"record","created_at":"2026-05-18T04:28:28Z","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":"0041d443d517298e054e85e765dcdb8fb0b64fc5611dbbe49b84775630ad62b2","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1993-05-21T16:40:59Z","title_canon_sha256":"d560c5a535fe381d7c84e4cd0fb8f106566c8640e32ad77fe3991047d699f3d2"},"schema_version":"1.0","source":{"id":"astro-ph/9305026","kind":"arxiv","version":1}},"canonical_sha256":"a7c18b8572fee94322af3f73116be436335f4eceacbd8147af428b99ed622c94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7c18b8572fee94322af3f73116be436335f4eceacbd8147af428b99ed622c94","first_computed_at":"2026-05-18T04:28:28.283830Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:28.283830Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"muXK44wJl72RsCjkeiqAHXVfwzOmy9aIfA3FVFI5+FvEQmuQXQW+yDFzRZThM8Lr2BgIFTWSik5rMPNlHchdCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:28.284242Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9305026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f2da52d75a17bc10ee195b6cb9a74e858f1cd38ead4fbe5e037247c99cc1274","sha256:3ec50430385aa209f9adbe9d7f23e2d37a590a82398be718ace45780f3357253"],"state_sha256":"8f1062afcb6509dd6cd90ddd4cac035d4c80c729ed93d719db234817dc316986"}