{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:ARKULL2JRBYYQJD66VB55N53WL","short_pith_number":"pith:ARKULL2J","canonical_record":{"source":{"id":"2412.06885","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-09T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e3120dd073d797a1ab58f24155248eccfd351ea80eb0e9d7b9cfae1b331b884e","abstract_canon_sha256":"2b1caf5362f398742482b8ec1dc966d556851ec8db9be1d8fdc99d81ad1e5ad2"},"schema_version":"1.0"},"canonical_sha256":"045545af49887188247ef543deb7bbb2f7d5ccd88d6186b583cca42c4a008d8a","source":{"kind":"arxiv","id":"2412.06885","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.06885","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"2412.06885v2","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.06885","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"ARKULL2JRBYY","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_16","alias_value":"ARKULL2JRBYYQJD6","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_8","alias_value":"ARKULL2J","created_at":"2026-07-05T11:02:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:ARKULL2JRBYYQJD66VB55N53WL","target":"record","payload":{"canonical_record":{"source":{"id":"2412.06885","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-09T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e3120dd073d797a1ab58f24155248eccfd351ea80eb0e9d7b9cfae1b331b884e","abstract_canon_sha256":"2b1caf5362f398742482b8ec1dc966d556851ec8db9be1d8fdc99d81ad1e5ad2"},"schema_version":"1.0"},"canonical_sha256":"045545af49887188247ef543deb7bbb2f7d5ccd88d6186b583cca42c4a008d8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:02:15.072544Z","signature_b64":"wCO2A8KxxY4ejHIK1Gfr1Gk3bx0hmUOHQhJPHval75rEgllqb+S07P1VUITW85jrCWA7eBQ8TfGPnk7VMoTjBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"045545af49887188247ef543deb7bbb2f7d5ccd88d6186b583cca42c4a008d8a","last_reissued_at":"2026-07-05T11:02:15.072087Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:02:15.072087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.06885","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dK2/q9gQtkNbDT7qdPee/FfXsCPBlDg1ZvppS6ffo1FoT7+siModT7JRxIJibZUJTl6a72y9eyfH9heJwAvRBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:47:16.418900Z"},"content_sha256":"a50069689b3420f0dde7795a33c0ad14e9f26c2da13c2e1db3acb66279fc1877","schema_version":"1.0","event_id":"sha256:a50069689b3420f0dde7795a33c0ad14e9f26c2da13c2e1db3acb66279fc1877"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:ARKULL2JRBYYQJD66VB55N53WL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Sloan Digital Sky Survey Reverberation Mapping Project: Insights on Maximizing Efficiency in Lag Measurements and Black-Hole Masses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. J. Grier, D. P. Schneider, Jonathan R. Trump, Keith Horne, Luis C. Ho, Patrick B. Hall, Scott F. Anderson, W. N. Brandt, Y. Homayouni, Yuanzhe Jiang, Yue Shen","submitted_at":"2024-12-09T19:00:00Z","abstract_excerpt":"Multi-year observations from the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project have significantly increased the number of quasars with reliable reverberation-mapping lag measurements. We statistically analyze target properties, light-curve characteristics, and survey design choices to identify factors crucial for successful and efficient RM surveys. Analyzing 172 high-confidence (\"gold\") lag measurements from SDSS-RM for the H$\\beta$, MgII, and CIV emission lines, we find that the Durbin-Watson statistic (a statistical test for residual correlation) is the most significant p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.06885","kind":"arxiv","version":2},"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/2412.06885/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":"2026-07-05T11:02:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rzuJ9odmObC3ruRJbKDEvkY0Y/07javm6ZBFD0rdBOo++rP0YMRkLZkElApBSgN6wqVnkBEfSPc1rLSgM4QvCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T05:47:16.419488Z"},"content_sha256":"236e1ca07e13ef3173cd9fe794eb76dc23d2c4adb04eaeda17cad11382288b7d","schema_version":"1.0","event_id":"sha256:236e1ca07e13ef3173cd9fe794eb76dc23d2c4adb04eaeda17cad11382288b7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ARKULL2JRBYYQJD66VB55N53WL/bundle.json","state_url":"https://pith.science/pith/ARKULL2JRBYYQJD66VB55N53WL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ARKULL2JRBYYQJD66VB55N53WL/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":"2026-08-15T05:47:16Z","links":{"resolver":"https://pith.science/pith/ARKULL2JRBYYQJD66VB55N53WL","bundle":"https://pith.science/pith/ARKULL2JRBYYQJD66VB55N53WL/bundle.json","state":"https://pith.science/pith/ARKULL2JRBYYQJD66VB55N53WL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ARKULL2JRBYYQJD66VB55N53WL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:ARKULL2JRBYYQJD66VB55N53WL","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":"2b1caf5362f398742482b8ec1dc966d556851ec8db9be1d8fdc99d81ad1e5ad2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-09T19:00:00Z","title_canon_sha256":"e3120dd073d797a1ab58f24155248eccfd351ea80eb0e9d7b9cfae1b331b884e"},"schema_version":"1.0","source":{"id":"2412.06885","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.06885","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"arxiv_version","alias_value":"2412.06885v2","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.06885","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_12","alias_value":"ARKULL2JRBYY","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_16","alias_value":"ARKULL2JRBYYQJD6","created_at":"2026-07-05T11:02:15Z"},{"alias_kind":"pith_short_8","alias_value":"ARKULL2J","created_at":"2026-07-05T11:02:15Z"}],"graph_snapshots":[{"event_id":"sha256:236e1ca07e13ef3173cd9fe794eb76dc23d2c4adb04eaeda17cad11382288b7d","target":"graph","created_at":"2026-07-05T11:02:15Z","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/2412.06885/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-year observations from the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project have significantly increased the number of quasars with reliable reverberation-mapping lag measurements. We statistically analyze target properties, light-curve characteristics, and survey design choices to identify factors crucial for successful and efficient RM surveys. Analyzing 172 high-confidence (\"gold\") lag measurements from SDSS-RM for the H$\\beta$, MgII, and CIV emission lines, we find that the Durbin-Watson statistic (a statistical test for residual correlation) is the most significant p","authors_text":"C. J. Grier, D. P. Schneider, Jonathan R. Trump, Keith Horne, Luis C. Ho, Patrick B. Hall, Scott F. Anderson, W. N. Brandt, Y. Homayouni, Yuanzhe Jiang, Yue Shen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-09T19:00:00Z","title":"The Sloan Digital Sky Survey Reverberation Mapping Project: Insights on Maximizing Efficiency in Lag Measurements and Black-Hole Masses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.06885","kind":"arxiv","version":2},"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:a50069689b3420f0dde7795a33c0ad14e9f26c2da13c2e1db3acb66279fc1877","target":"record","created_at":"2026-07-05T11:02:15Z","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":"2b1caf5362f398742482b8ec1dc966d556851ec8db9be1d8fdc99d81ad1e5ad2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-12-09T19:00:00Z","title_canon_sha256":"e3120dd073d797a1ab58f24155248eccfd351ea80eb0e9d7b9cfae1b331b884e"},"schema_version":"1.0","source":{"id":"2412.06885","kind":"arxiv","version":2}},"canonical_sha256":"045545af49887188247ef543deb7bbb2f7d5ccd88d6186b583cca42c4a008d8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"045545af49887188247ef543deb7bbb2f7d5ccd88d6186b583cca42c4a008d8a","first_computed_at":"2026-07-05T11:02:15.072087Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:02:15.072087Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wCO2A8KxxY4ejHIK1Gfr1Gk3bx0hmUOHQhJPHval75rEgllqb+S07P1VUITW85jrCWA7eBQ8TfGPnk7VMoTjBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:02:15.072544Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.06885","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a50069689b3420f0dde7795a33c0ad14e9f26c2da13c2e1db3acb66279fc1877","sha256:236e1ca07e13ef3173cd9fe794eb76dc23d2c4adb04eaeda17cad11382288b7d"],"state_sha256":"39bdf346ed4daaf3d777ffdd9f774b7b114ad1ab27efe89c0486faf8438ad051"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IXO16e6f3+Bc70zT/p6fbKtW7Yod1xVnOvjlPX06ts0yo2/gD25Re+L8fheNLH4DP9P4CFwC5Sp7xblEu2JwAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T05:47:16.425160Z","bundle_sha256":"3d862150c6ef8bf5da6c7b5b597c3c3403e2d3e669703d1119202ce36e781b26"}}