{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PF252EPRNSJCPFEOLFKDSNOPVL","short_pith_number":"pith:PF252EPR","canonical_record":{"source":{"id":"2111.14849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-29T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"9042b8fb8330f956cfa1accbfe1cf2d925ecb03e239c1bec322747b325145c54","abstract_canon_sha256":"73b05ccdea24d83eaa26dccf13de74363d14ebe9b92ef4c09c39a4372eaf9cc9"},"schema_version":"1.0"},"canonical_sha256":"7975dd11f16c9227948e59543935cfaadd778fb70691bed5c8d386e92364a979","source":{"kind":"arxiv","id":"2111.14849","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.14849","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"2111.14849v1","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.14849","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"PF252EPRNSJC","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_16","alias_value":"PF252EPRNSJCPFEO","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_8","alias_value":"PF252EPR","created_at":"2026-07-05T03:52:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PF252EPRNSJCPFEOLFKDSNOPVL","target":"record","payload":{"canonical_record":{"source":{"id":"2111.14849","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-29T19:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"9042b8fb8330f956cfa1accbfe1cf2d925ecb03e239c1bec322747b325145c54","abstract_canon_sha256":"73b05ccdea24d83eaa26dccf13de74363d14ebe9b92ef4c09c39a4372eaf9cc9"},"schema_version":"1.0"},"canonical_sha256":"7975dd11f16c9227948e59543935cfaadd778fb70691bed5c8d386e92364a979","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:52:33.644677Z","signature_b64":"v9YePx7mau6s5c7YW+RPFRMFMYgrnTjSCcMPTI2MgZ3Vd1OrTIF2IwuGQSQYlTsTqJjRz5EWcq9G0ucmAjsFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7975dd11f16c9227948e59543935cfaadd778fb70691bed5c8d386e92364a979","last_reissued_at":"2026-07-05T03:52:33.644192Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:52:33.644192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.14849","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":"2026-07-05T03:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MgQT3qYig3p6mK+fFlHZOPek/48OolIAcgJUBbLd6Q+FaXgK2TJapGP5QDC22ovkRe9BPk8//mXwT5gzLg90Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:56:12.027234Z"},"content_sha256":"6eef03fa93aaadc3850144d2a52f21e2a081bd8f514660a761859602867f840a","schema_version":"1.0","event_id":"sha256:6eef03fa93aaadc3850144d2a52f21e2a081bd8f514660a761859602867f840a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PF252EPRNSJCPFEOLFKDSNOPVL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Lick AGN Monitoring Project 2016: Velocity-Resolved H{\\beta} Lags in Luminous Seyfert Galaxies","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron J. Barth, Alexei V. Filippenko, Andrew Brandel, Andrew Halle, Anna Pancoast, Azalee Bostroem, Bela Abolfathi, Benjamin D. Boizelle, Benjamin E. Stahl, Benjamin Kuhn, Bryan Scott, Carol E. Hood, Chance L. Spencer, Christina Manzano-King, Daeseong Park, Diego Gonz\\'alez-Buitrago, Donald Loveland, Douglas C. Leonard, Edward Donohue, Elinor Gates, Frederick Hamann, Gabriela Canalizo, Goni Halevi, H. Alexander Vogler, Heechan Yuk, Hengxiao Guo, Hyun-Jin Bae, Ian McHardy, Isaac Shivvers, Isak Stomberg, Jaejin Shin, Javier S\\'anchez, J. Chuck Horst, Jenna Samuel, Jonelle L. Walsh, Jong-Hak Woo, Jordan N. Runco, Keith Horne, L. E. Abramson, Liuyi Pei, L. Villafa\\~na, Maren Cosens, Matthew A. Malkan, Maxime de Kouchkovsky, M. C. Cooper, Melanie Kae B. Olaes, Michael D. Joner, Peter R. Williams, Ra\\'ul Michel, Remington O. Sexton, Sahana Kumar, Samantha Stegman, Sanyum Channa, Sean P. Fillingham, Songyoun Park, Stefano Valenti, Stephen F. Armen, Thomas Bohn, Thomas G. Brink, Timothy W. Ross, Tommaso Treu, Vardha N. Bennert, Vivian U, Weikang Zheng","submitted_at":"2021-11-29T19:00:00Z","abstract_excerpt":"We carried out spectroscopic monitoring of 21 low-redshift Seyfert 1 galaxies using the Kast double spectrograph on the 3-m Shane telescope at Lick Observatory from April 2016 to May 2017. Targeting active galactic nuclei (AGN) with luminosities of {\\lambda}L{\\lambda} (5100 {\\AA}) = 10^44 erg/s and predicted H{\\beta} lags of 20-30 days or black hole masses of 10^7-10^8.5 Msun, our campaign probes luminosity-dependent trends in broad-line region (BLR) structure and dynamics as well as to improve calibrations for single-epoch estimates of quasar black hole masses. Here we present the first resul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.14849","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/2111.14849/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":"2026-07-05T03:52:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eluhSzXCwTxS7YHqpYLJHPctpacMyBn7esm2Q6pb4zsLWZth1NKr0p/7dIyBELyCitvI1LOV6SYOZz4bNVZEAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:56:12.027835Z"},"content_sha256":"2a823cf672f3998cbc5a5853e37acd6792a31b781531e0d7ef7e4494fe3b87e3","schema_version":"1.0","event_id":"sha256:2a823cf672f3998cbc5a5853e37acd6792a31b781531e0d7ef7e4494fe3b87e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PF252EPRNSJCPFEOLFKDSNOPVL/bundle.json","state_url":"https://pith.science/pith/PF252EPRNSJCPFEOLFKDSNOPVL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PF252EPRNSJCPFEOLFKDSNOPVL/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":"2026-07-07T11:56:12Z","links":{"resolver":"https://pith.science/pith/PF252EPRNSJCPFEOLFKDSNOPVL","bundle":"https://pith.science/pith/PF252EPRNSJCPFEOLFKDSNOPVL/bundle.json","state":"https://pith.science/pith/PF252EPRNSJCPFEOLFKDSNOPVL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PF252EPRNSJCPFEOLFKDSNOPVL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PF252EPRNSJCPFEOLFKDSNOPVL","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":"73b05ccdea24d83eaa26dccf13de74363d14ebe9b92ef4c09c39a4372eaf9cc9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-29T19:00:00Z","title_canon_sha256":"9042b8fb8330f956cfa1accbfe1cf2d925ecb03e239c1bec322747b325145c54"},"schema_version":"1.0","source":{"id":"2111.14849","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.14849","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"arxiv_version","alias_value":"2111.14849v1","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.14849","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_12","alias_value":"PF252EPRNSJC","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_16","alias_value":"PF252EPRNSJCPFEO","created_at":"2026-07-05T03:52:33Z"},{"alias_kind":"pith_short_8","alias_value":"PF252EPR","created_at":"2026-07-05T03:52:33Z"}],"graph_snapshots":[{"event_id":"sha256:2a823cf672f3998cbc5a5853e37acd6792a31b781531e0d7ef7e4494fe3b87e3","target":"graph","created_at":"2026-07-05T03:52:33Z","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/2111.14849/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We carried out spectroscopic monitoring of 21 low-redshift Seyfert 1 galaxies using the Kast double spectrograph on the 3-m Shane telescope at Lick Observatory from April 2016 to May 2017. Targeting active galactic nuclei (AGN) with luminosities of {\\lambda}L{\\lambda} (5100 {\\AA}) = 10^44 erg/s and predicted H{\\beta} lags of 20-30 days or black hole masses of 10^7-10^8.5 Msun, our campaign probes luminosity-dependent trends in broad-line region (BLR) structure and dynamics as well as to improve calibrations for single-epoch estimates of quasar black hole masses. Here we present the first resul","authors_text":"Aaron J. Barth, Alexei V. Filippenko, Andrew Brandel, Andrew Halle, Anna Pancoast, Azalee Bostroem, Bela Abolfathi, Benjamin D. Boizelle, Benjamin E. Stahl, Benjamin Kuhn, Bryan Scott, Carol E. Hood, Chance L. Spencer, Christina Manzano-King, Daeseong Park, Diego Gonz\\'alez-Buitrago, Donald Loveland, Douglas C. Leonard, Edward Donohue, Elinor Gates, Frederick Hamann, Gabriela Canalizo, Goni Halevi, H. Alexander Vogler, Heechan Yuk, Hengxiao Guo, Hyun-Jin Bae, Ian McHardy, Isaac Shivvers, Isak Stomberg, Jaejin Shin, Javier S\\'anchez, J. Chuck Horst, Jenna Samuel, Jonelle L. Walsh, Jong-Hak Woo, Jordan N. Runco, Keith Horne, L. E. Abramson, Liuyi Pei, L. Villafa\\~na, Maren Cosens, Matthew A. Malkan, Maxime de Kouchkovsky, M. C. Cooper, Melanie Kae B. Olaes, Michael D. Joner, Peter R. Williams, Ra\\'ul Michel, Remington O. Sexton, Sahana Kumar, Samantha Stegman, Sanyum Channa, Sean P. Fillingham, Songyoun Park, Stefano Valenti, Stephen F. Armen, Thomas Bohn, Thomas G. Brink, Timothy W. Ross, Tommaso Treu, Vardha N. Bennert, Vivian U, Weikang Zheng","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-29T19:00:00Z","title":"The Lick AGN Monitoring Project 2016: Velocity-Resolved H{\\beta} Lags in Luminous Seyfert Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.14849","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":"sha256:6eef03fa93aaadc3850144d2a52f21e2a081bd8f514660a761859602867f840a","target":"record","created_at":"2026-07-05T03:52:33Z","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":"73b05ccdea24d83eaa26dccf13de74363d14ebe9b92ef4c09c39a4372eaf9cc9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-29T19:00:00Z","title_canon_sha256":"9042b8fb8330f956cfa1accbfe1cf2d925ecb03e239c1bec322747b325145c54"},"schema_version":"1.0","source":{"id":"2111.14849","kind":"arxiv","version":1}},"canonical_sha256":"7975dd11f16c9227948e59543935cfaadd778fb70691bed5c8d386e92364a979","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7975dd11f16c9227948e59543935cfaadd778fb70691bed5c8d386e92364a979","first_computed_at":"2026-07-05T03:52:33.644192Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:52:33.644192Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v9YePx7mau6s5c7YW+RPFRMFMYgrnTjSCcMPTI2MgZ3Vd1OrTIF2IwuGQSQYlTsTqJjRz5EWcq9G0ucmAjsFDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:52:33.644677Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.14849","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6eef03fa93aaadc3850144d2a52f21e2a081bd8f514660a761859602867f840a","sha256:2a823cf672f3998cbc5a5853e37acd6792a31b781531e0d7ef7e4494fe3b87e3"],"state_sha256":"bee7bcddd9c1383b8c9f74e454132a44e67ef07d068f5731cf091ec6a987bd3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s6bpOJITQUN8wQksYTyvdKcwoOxpLABar8TJhjJT9ZU9FUf7B5affiHFV2Jt4nyeUkyXFRW5pYfgpfajsp29Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:56:12.029968Z","bundle_sha256":"63e6d6e2869218743284476c0a93e138a16d9c639e5c7658bfe28fc27b2870b9"}}