{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6FXZXZK6WFIIVURB6QCDFMUBVK","short_pith_number":"pith:6FXZXZK6","canonical_record":{"source":{"id":"2309.02499","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-05T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"7fa59adb92f4e5ac269d369759df64431579a47e416b9ec9832e57ed28c390d2","abstract_canon_sha256":"5c11355e72624abf3d6ce61e71e877a9043a90e9279044ad4e7e2ca641f61480"},"schema_version":"1.0"},"canonical_sha256":"f16f9be55eb1508ad221f40432b281aab89ab70bd22f8c7838a743754ab3a3b9","source":{"kind":"arxiv","id":"2309.02499","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.02499","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"2309.02499v1","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.02499","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"6FXZXZK6WFII","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_16","alias_value":"6FXZXZK6WFIIVURB","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_8","alias_value":"6FXZXZK6","created_at":"2026-07-05T06:48:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6FXZXZK6WFIIVURB6QCDFMUBVK","target":"record","payload":{"canonical_record":{"source":{"id":"2309.02499","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-05T18:00:04Z","cross_cats_sorted":[],"title_canon_sha256":"7fa59adb92f4e5ac269d369759df64431579a47e416b9ec9832e57ed28c390d2","abstract_canon_sha256":"5c11355e72624abf3d6ce61e71e877a9043a90e9279044ad4e7e2ca641f61480"},"schema_version":"1.0"},"canonical_sha256":"f16f9be55eb1508ad221f40432b281aab89ab70bd22f8c7838a743754ab3a3b9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:48:13.203847Z","signature_b64":"X+RjUB6dln0BMK620KZC9RufQ1CCH5ZuSYJ2renDBR1JzSACURlpeqfXS0YTVPY0N209Q0qBsDzqGGTbp3njCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f16f9be55eb1508ad221f40432b281aab89ab70bd22f8c7838a743754ab3a3b9","last_reissued_at":"2026-07-05T06:48:13.203412Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:48:13.203412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.02499","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O5eY49PAfKC15K4bINz2bnfCAukoG/M4NEYLyY5ANhq1s/HnUm3ARpKzpz5/7tRu0ttp68i5hwD35VM2gsmJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T21:23:58.808285Z"},"content_sha256":"6e3c5b161d05a03c15fe5b27c875fcaa9c81ef9d61c2026e8267385bd5295465","schema_version":"1.0","event_id":"sha256:6e3c5b161d05a03c15fe5b27c875fcaa9c81ef9d61c2026e8267385bd5295465"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6FXZXZK6WFIIVURB6QCDFMUBVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Sloan Digital Sky Survey Reverberation Mapping Project: Investigation of Continuum Lag Dependence on Broad-Line Contamination and Quasar Properties","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anton M. Koekemoer, Benny Trakhtenbrot, Catherine J. Grier, C. Ricci, David M. Menezes, Donald P. Schneider, Hugh W. Sharp, Jonathan R. Trump, Keith Horne, Logan B. Fries, Mary Loli Mart\\'inez-Aldama, Megan C. Davis, Patrick B. Hall, Roberto J. Assef, Scott F. Anderson, Theodore Pena, W. N. Brandt, Y. Homayouni, Yue Shen","submitted_at":"2023-09-05T18:00:04Z","abstract_excerpt":"This work studies the relationship between accretion-disk size and quasar properties, using a sample of 95 quasars from the SDSS-RM project with measured lags between the $g$ and $i$ photometric bands. Our sample includes disk lags that are both longer and shorter than predicted by the \\citet{SS73} model, requiring explanations which satisfy both cases. Although our quasars each have one lag measurement, we explore the wavelength-dependent effects of diffuse broad line region (BLR) contamination through our sample's broad redshift range, $0.1<z<1.2$. We do not find significant evidence of vari"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.02499","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.02499/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:48:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WSvXWzkhb856bP4n8Z9IMB+WZAPFbaaQnDH4sGmvhQd7TYZ8bmAD6BnpT0uIPOSCNO3YT1sRVPFWGQ+KPCYMAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T21:23:58.808886Z"},"content_sha256":"3a19ee49f3a265d67e8ec01fb108621a87857744f750ec98aeca19ccab51d4d8","schema_version":"1.0","event_id":"sha256:3a19ee49f3a265d67e8ec01fb108621a87857744f750ec98aeca19ccab51d4d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/bundle.json","state_url":"https://pith.science/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-23T21:23:58Z","links":{"resolver":"https://pith.science/pith/6FXZXZK6WFIIVURB6QCDFMUBVK","bundle":"https://pith.science/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/bundle.json","state":"https://pith.science/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6FXZXZK6WFIIVURB6QCDFMUBVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6FXZXZK6WFIIVURB6QCDFMUBVK","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":"5c11355e72624abf3d6ce61e71e877a9043a90e9279044ad4e7e2ca641f61480","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-05T18:00:04Z","title_canon_sha256":"7fa59adb92f4e5ac269d369759df64431579a47e416b9ec9832e57ed28c390d2"},"schema_version":"1.0","source":{"id":"2309.02499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.02499","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"arxiv_version","alias_value":"2309.02499v1","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.02499","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_12","alias_value":"6FXZXZK6WFII","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_16","alias_value":"6FXZXZK6WFIIVURB","created_at":"2026-07-05T06:48:13Z"},{"alias_kind":"pith_short_8","alias_value":"6FXZXZK6","created_at":"2026-07-05T06:48:13Z"}],"graph_snapshots":[{"event_id":"sha256:3a19ee49f3a265d67e8ec01fb108621a87857744f750ec98aeca19ccab51d4d8","target":"graph","created_at":"2026-07-05T06:48:13Z","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/2309.02499/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work studies the relationship between accretion-disk size and quasar properties, using a sample of 95 quasars from the SDSS-RM project with measured lags between the $g$ and $i$ photometric bands. Our sample includes disk lags that are both longer and shorter than predicted by the \\citet{SS73} model, requiring explanations which satisfy both cases. Although our quasars each have one lag measurement, we explore the wavelength-dependent effects of diffuse broad line region (BLR) contamination through our sample's broad redshift range, $0.1<z<1.2$. We do not find significant evidence of vari","authors_text":"Anton M. Koekemoer, Benny Trakhtenbrot, Catherine J. Grier, C. Ricci, David M. Menezes, Donald P. Schneider, Hugh W. Sharp, Jonathan R. Trump, Keith Horne, Logan B. Fries, Mary Loli Mart\\'inez-Aldama, Megan C. Davis, Patrick B. Hall, Roberto J. Assef, Scott F. Anderson, Theodore Pena, W. N. Brandt, Y. Homayouni, Yue Shen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-05T18:00:04Z","title":"The Sloan Digital Sky Survey Reverberation Mapping Project: Investigation of Continuum Lag Dependence on Broad-Line Contamination and Quasar Properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.02499","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":"sha256:6e3c5b161d05a03c15fe5b27c875fcaa9c81ef9d61c2026e8267385bd5295465","target":"record","created_at":"2026-07-05T06:48:13Z","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":"5c11355e72624abf3d6ce61e71e877a9043a90e9279044ad4e7e2ca641f61480","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-09-05T18:00:04Z","title_canon_sha256":"7fa59adb92f4e5ac269d369759df64431579a47e416b9ec9832e57ed28c390d2"},"schema_version":"1.0","source":{"id":"2309.02499","kind":"arxiv","version":1}},"canonical_sha256":"f16f9be55eb1508ad221f40432b281aab89ab70bd22f8c7838a743754ab3a3b9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f16f9be55eb1508ad221f40432b281aab89ab70bd22f8c7838a743754ab3a3b9","first_computed_at":"2026-07-05T06:48:13.203412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:48:13.203412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X+RjUB6dln0BMK620KZC9RufQ1CCH5ZuSYJ2renDBR1JzSACURlpeqfXS0YTVPY0N209Q0qBsDzqGGTbp3njCw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:48:13.203847Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.02499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e3c5b161d05a03c15fe5b27c875fcaa9c81ef9d61c2026e8267385bd5295465","sha256:3a19ee49f3a265d67e8ec01fb108621a87857744f750ec98aeca19ccab51d4d8"],"state_sha256":"427cba91eb51e8063bb0d632566b6d63b61d4086a08d33f3aa9ad88be7fd97d1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LdC6cQeoDIdU3WlTpJP/djC/C/b/c2qM2qTCSiW00OqZRmzc0Fk6iqTGf7Sr9w7qqpCCHgRMLWR1QwomRc9QBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T21:23:58.813528Z","bundle_sha256":"de69867d02f062ec410fa03c8d8149d76b48706e3617fa6223e4aeaadecc2ca4"}}