{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:MKK5YPLLK5RQDFYHC6LRBBC75H","short_pith_number":"pith:MKK5YPLL","schema_version":"1.0","canonical_sha256":"6295dc3d6b5763019707179710845fe9c3f41ac6ff4e9069e31e6148796e293e","source":{"kind":"arxiv","id":"2301.03608","version":2},"attestation_state":"computed","paper":{"title":"The NANOGrav 12.5-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"astro-ph.GA","authors_text":"Aaron D. Johnson, Adam Brazier, Alexander McEwen, Andrew R. Kaiser, Bence B\\'ecsy, Brendan Drachler, Brent J. Shapiro-Albert, Caitlin A. Witt, Cherry Ng, Chiara M. F. Mingarelli, Daniel R. Stinebring, David J. Nice, David L. Kaplan, Deborah C. Good, Duncan R. Lorimer, Dustin R. Madison, E. C. Ferrara, Emmanuel Fonseca, Fronefield Crawford, Gabriel E. Freedman, Gregory Walsh, Haley M. Wahl, Harsha Blumer, H. Thankful Cromartie, Ingrid H. Stairs, Jacob E. Turner, James M. Cordes, J. Andrew Casey-Clyde, Jeffrey S. Hazboun, Jessica Sydnor, Jing Luo, Joey Shapiro Key, Joseph D. Romano, Joseph Glaser, Joseph K. Swiggum, Joseph Simon, Justin A. Ellis, Kayhan G\\\"ultekin, Ken D. Olum, Kevin Stovall, Laura Blecha, Luke Zoltan Kelley, Magdalena Siwek, Maria Charisi, Maura A. McLaughlin, Megan E. DeCesar, Megan L. Jones, Michael T. Lam, Michele Vallisneri, Natalia Lewandowska, Nathan Garver-Daniels, Neil J. Cornish, Nihan S. Pol, Nima Laal, Olivia Young, Paul B. Demorest, Paul R. Brook, Paul S. Ray, Paul T. Baker, Peter A. Gentile, Ren\\'ee Spiewak, Ross J. Jennings, Ryan S. Lynch, Sarah Burke-Spolaor, Sarah J. Vigeland, Scott M. Ransom, Shami Chatterjee, Siyuan Chen, Stella Koch Ocker, Stephen R. Taylor, Timothy Dolch, Timothy T. Pennucci, Tingting Liu, T. Joseph W. Lazio, William Fiore, William G Lamb, Xavier Siemens, Zaven Arzoumanian","submitted_at":"2023-01-09T19:00:01Z","abstract_excerpt":"Pulsar timing array collaborations, such as the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), are seeking to detect nanohertz gravitational waves emitted by supermassive black hole binaries formed in the aftermath of galaxy mergers. We have searched for continuous waves from individual circular supermassive black hole binaries using the NANOGrav's recent 12.5-year data set. We created new methods to accurately model the uncertainties on pulsar distances in our analysis, and we implemented new techniques to account for a common red noise process in pulsar timing array"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2301.03608","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-01-09T19:00:01Z","cross_cats_sorted":["astro-ph.HE","gr-qc"],"title_canon_sha256":"a47a161ea35d96da37c2e3488f7bbd71cf5a41a270226bbd092ce39eb2643da5","abstract_canon_sha256":"668ad14c67966365681590b38fec558a107200d1d619bc0918112ca12a438fe2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:36:27.587160Z","signature_b64":"/mUdvGAyOyiwFH+ftSgU0DMAqSL+EBavadCbbSlcw4HkZqxhWZiL+2uTSdPVdR115weFTidRyzyItLmCigfyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6295dc3d6b5763019707179710845fe9c3f41ac6ff4e9069e31e6148796e293e","last_reissued_at":"2026-07-05T06:36:27.586657Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:36:27.586657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The NANOGrav 12.5-year Data Set: Bayesian Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE","gr-qc"],"primary_cat":"astro-ph.GA","authors_text":"Aaron D. Johnson, Adam Brazier, Alexander McEwen, Andrew R. Kaiser, Bence B\\'ecsy, Brendan Drachler, Brent J. Shapiro-Albert, Caitlin A. Witt, Cherry Ng, Chiara M. F. Mingarelli, Daniel R. Stinebring, David J. Nice, David L. Kaplan, Deborah C. Good, Duncan R. Lorimer, Dustin R. Madison, E. C. Ferrara, Emmanuel Fonseca, Fronefield Crawford, Gabriel E. Freedman, Gregory Walsh, Haley M. Wahl, Harsha Blumer, H. Thankful Cromartie, Ingrid H. Stairs, Jacob E. Turner, James M. Cordes, J. Andrew Casey-Clyde, Jeffrey S. Hazboun, Jessica Sydnor, Jing Luo, Joey Shapiro Key, Joseph D. Romano, Joseph Glaser, Joseph K. Swiggum, Joseph Simon, Justin A. Ellis, Kayhan G\\\"ultekin, Ken D. Olum, Kevin Stovall, Laura Blecha, Luke Zoltan Kelley, Magdalena Siwek, Maria Charisi, Maura A. McLaughlin, Megan E. DeCesar, Megan L. Jones, Michael T. Lam, Michele Vallisneri, Natalia Lewandowska, Nathan Garver-Daniels, Neil J. Cornish, Nihan S. Pol, Nima Laal, Olivia Young, Paul B. Demorest, Paul R. Brook, Paul S. Ray, Paul T. Baker, Peter A. Gentile, Ren\\'ee Spiewak, Ross J. Jennings, Ryan S. Lynch, Sarah Burke-Spolaor, Sarah J. Vigeland, Scott M. Ransom, Shami Chatterjee, Siyuan Chen, Stella Koch Ocker, Stephen R. Taylor, Timothy Dolch, Timothy T. Pennucci, Tingting Liu, T. Joseph W. Lazio, William Fiore, William G Lamb, Xavier Siemens, Zaven Arzoumanian","submitted_at":"2023-01-09T19:00:01Z","abstract_excerpt":"Pulsar timing array collaborations, such as the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), are seeking to detect nanohertz gravitational waves emitted by supermassive black hole binaries formed in the aftermath of galaxy mergers. We have searched for continuous waves from individual circular supermassive black hole binaries using the NANOGrav's recent 12.5-year data set. We created new methods to accurately model the uncertainties on pulsar distances in our analysis, and we implemented new techniques to account for a common red noise process in pulsar timing array"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.03608","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/2301.03608/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2301.03608","created_at":"2026-07-05T06:36:27.586729+00:00"},{"alias_kind":"arxiv_version","alias_value":"2301.03608v2","created_at":"2026-07-05T06:36:27.586729+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.03608","created_at":"2026-07-05T06:36:27.586729+00:00"},{"alias_kind":"pith_short_12","alias_value":"MKK5YPLLK5RQ","created_at":"2026-07-05T06:36:27.586729+00:00"},{"alias_kind":"pith_short_16","alias_value":"MKK5YPLLK5RQDFYH","created_at":"2026-07-05T06:36:27.586729+00:00"},{"alias_kind":"pith_short_8","alias_value":"MKK5YPLL","created_at":"2026-07-05T06:36:27.586729+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.00577","citing_title":"Searching for a waveform-agnostic gravitational wave signal in pulsar timing arrays","ref_index":23,"is_internal_anchor":false},{"citing_arxiv_id":"2605.17983","citing_title":"Higher-order statistics of the stochastic gravitational wave background from supermassive black hole binaries","ref_index":5,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02172","citing_title":"Constraints on Ultralight Scalar and Dark Photon Dark Matter from PPTA-DR3 and EPTA-DR2","ref_index":51,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H","json":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H.json","graph_json":"https://pith.science/api/pith-number/MKK5YPLLK5RQDFYHC6LRBBC75H/graph.json","events_json":"https://pith.science/api/pith-number/MKK5YPLLK5RQDFYHC6LRBBC75H/events.json","paper":"https://pith.science/paper/MKK5YPLL"},"agent_actions":{"view_html":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H","download_json":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H.json","view_paper":"https://pith.science/paper/MKK5YPLL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2301.03608&json=true","fetch_graph":"https://pith.science/api/pith-number/MKK5YPLLK5RQDFYHC6LRBBC75H/graph.json","fetch_events":"https://pith.science/api/pith-number/MKK5YPLLK5RQDFYHC6LRBBC75H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H/action/storage_attestation","attest_author":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H/action/author_attestation","sign_citation":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H/action/citation_signature","submit_replication":"https://pith.science/pith/MKK5YPLLK5RQDFYHC6LRBBC75H/action/replication_record"}},"created_at":"2026-07-05T06:36:27.586729+00:00","updated_at":"2026-07-05T06:36:27.586729+00:00"}