{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1999:RR4T7FGH2CU3IEJWQ2KI3COMC6","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":"b5a47efb0ccf2d47e13061bf858797ed7e06885881d0bf27c41b480d0cf326c8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-04T18:57:37Z","title_canon_sha256":"452e8d673fb6d0e3b346d6171b4f5388a9c39461cf2c4d0726a6ae481dc961d0"},"schema_version":"1.0","source":{"id":"astro-ph/9911064","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9911064","created_at":"2026-05-18T02:40:27Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9911064v1","created_at":"2026-05-18T02:40:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9911064","created_at":"2026-05-18T02:40:27Z"},{"alias_kind":"pith_short_12","alias_value":"RR4T7FGH2CU3","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"RR4T7FGH2CU3IEJW","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"RR4T7FGH","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:3a48799cdb76c3a83b2f6bafb749fd35d9790a29bafb11f510ed8fda5900fae9","target":"graph","created_at":"2026-05-18T02:40:27Z","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":"The longstanding question of the extent to which the quasar population is affected by dust extinction, within host galaxies or galaxies along the line of sight, remains open. More generally, the spectral energy distributions of quasars vary significantly and flux-limited samples defined at different wavelengths include different quasars. Surveys employing flux measurements at widely separated wavelengths are necessary to characterise fully the spectral properties of the quasar population. The availability of panoramic near-infrared detectors on large telescopes provides the opportunity to unde","authors_text":"C. B. Foltz, P. C. Hewett, S. J. Warren","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1999-11-04T18:57:37Z","title":"The KX method for producing K-band flux-limited samples of quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9911064","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:c1532e448359b6448ee743a834afa3d35d23cb572514f6df5678e82ca00b11d2","target":"record","created_at":"2026-05-18T02:40:27Z","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":"b5a47efb0ccf2d47e13061bf858797ed7e06885881d0bf27c41b480d0cf326c8","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1999-11-04T18:57:37Z","title_canon_sha256":"452e8d673fb6d0e3b346d6171b4f5388a9c39461cf2c4d0726a6ae481dc961d0"},"schema_version":"1.0","source":{"id":"astro-ph/9911064","kind":"arxiv","version":1}},"canonical_sha256":"8c793f94c7d0a9b4113686948d89cc17b3ac1c639361f8a118e2dda9f809f571","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c793f94c7d0a9b4113686948d89cc17b3ac1c639361f8a118e2dda9f809f571","first_computed_at":"2026-05-18T02:40:27.429940Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:27.429940Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jSU/Svt5eYHIurM5NrnxvODRohdUBNou1kRodiu3QqmG9kjQELZ8u+VFliOUyrzQ5Xp6FyAHwtuug96+KHNnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:27.430418Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9911064","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1532e448359b6448ee743a834afa3d35d23cb572514f6df5678e82ca00b11d2","sha256:3a48799cdb76c3a83b2f6bafb749fd35d9790a29bafb11f510ed8fda5900fae9"],"state_sha256":"be79ab810397d5b97f07c92e408ebb52d7aa590ecf1b3300ac7c170c65d07b2f"}