{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:LAVBHZI5O4XTXTQBKDPRW6P4XT","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":"01f8f05163086fa5ffd2aaffba62cf0cda78bcc5fa53c96064f969ea84996f0a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-23T18:35:20Z","title_canon_sha256":"086b8cbff80a391f6f432b9e2121c6010c2cbd685cd5357805c3f8d3a2ab883a"},"schema_version":"1.0","source":{"id":"astro-ph/9810392","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9810392","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9810392v1","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9810392","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_12","alias_value":"LAVBHZI5O4XT","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_16","alias_value":"LAVBHZI5O4XTXTQB","created_at":"2026-07-04T16:07:08Z"},{"alias_kind":"pith_short_8","alias_value":"LAVBHZI5","created_at":"2026-07-04T16:07:08Z"}],"graph_snapshots":[{"event_id":"sha256:f7c384f0c04f3f6c61877d60a19d40056295296448bcf7d31d9ec8713fcc39a5","target":"graph","created_at":"2026-07-04T16:07:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/9810392/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have made radio observations of 87 optically selected quasars at 5 GHz with the VLA in order to measure the radio power for these objects and hence determine how the fraction of radio-loud quasars varies with redshift and optical luminosity. The sample has been selected from the recently completed Edinburgh Quasar Survey and covers a redshift range of 0.3 < z < 1.5 and an optical absolute magnitude range of -26.5 < M_{B} < -23.5 (h, q_{0} = 1/2). We have also matched up other existing surveys with the FIRST and NVSS radio catalogues and combined these data so that the optical luminosity-red","authors_text":"(2) STScI, 3), (3) University of Edinburgh, (4) University of Oxford), J. S. Dunlop (3) ((1) Imperial College, L. Miller (4), M. J. Kukula (2, P. Goldschmidt (1)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-10-23T18:35:20Z","title":"A comparison of the optical properties of radio-loud and radio-quiet quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9810392","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":"sha256:8437ad86cb2c3bbb7b91d085528564f5f41b6784fdfcf14aeccbd5d881eecfc2","target":"record","created_at":"2026-07-04T16:07:08Z","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":"01f8f05163086fa5ffd2aaffba62cf0cda78bcc5fa53c96064f969ea84996f0a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-10-23T18:35:20Z","title_canon_sha256":"086b8cbff80a391f6f432b9e2121c6010c2cbd685cd5357805c3f8d3a2ab883a"},"schema_version":"1.0","source":{"id":"astro-ph/9810392","kind":"arxiv","version":1}},"canonical_sha256":"582a13e51d772f3bce0150df1b79fcbcf504cda7130a4233182f3abe843d251b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"582a13e51d772f3bce0150df1b79fcbcf504cda7130a4233182f3abe843d251b","first_computed_at":"2026-07-04T16:07:08.345027Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:07:08.345027Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZYlsMcol4mToAQRoK2VgBXjSAdPYNMg7Khn0JFHfCtqy9SA+KiRVlnwn4hKNfBH2QaJbpej1pWSDfvnZcH7aCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:07:08.345443Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9810392","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8437ad86cb2c3bbb7b91d085528564f5f41b6784fdfcf14aeccbd5d881eecfc2","sha256:f7c384f0c04f3f6c61877d60a19d40056295296448bcf7d31d9ec8713fcc39a5"],"state_sha256":"575f48c94ee904d128cf4202fd517e81bbc2abbbbbded0a495b8ff0cea4f0fa4"}