{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:VAUZSKF4O2CKFAKMI4GKXFOEIO","short_pith_number":"pith:VAUZSKF4","schema_version":"1.0","canonical_sha256":"a8299928bc7684a2814c470cab95c44395bd82672f820f2a8136c8661725da71","source":{"kind":"arxiv","id":"2607.07201","version":1},"attestation_state":"computed","paper":{"title":"Multi-band optical photometric variability of the blazar OJ 287 from 2015 to 2025","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. A. Vasilyev, A. Darriba, A. E. Perez, A. E. Volvach, A. Kurtenkov, Alan P. Marscher, Alok C. Gupta, A. Strigachev, A. V. Zhovtan, B. Jardine, B. Rajkumar, B. Villarroel, C. L. Barcelo, C. Perello, D. A. Morozova, D. Boyd, D. Buczinski, E. F. Mananes, E. G. Larionova, E. N. Kopatskaya, E. R. Lorenz, E. Semkov, E. V. Shishkina, F. C. Cucarella, F. Garcia, F. G. Pinilla, F. H. Grondona, F. L. Martinez, F. Rahmatullaeva, F. S. Alfaro, G. A. Borman, G. Hurst, Goran Damljanovic, G. Poyner, H. Gaur, H. Guo, I. S. Troitskiy, J. B. Amatller, J. C. Gomez, J. D. Casal, J. H. Fan, J. L. Gonzalez-Carballo, J. Lozano, J. L. S. Gonzalez, J. M. Cores, J. M. F. Andujar, J. R. Fernandez, J. Valero, Karan Dogra, Katsura Matsumoto, Lang Cui, L. M. Penas, L. N. Volvach, L. T. Espasa, Mai Liao, Mark Kidger, Mauri J. Valtonen, M. Bachini, M. D. Jovanovic, M. F. Gu, M. G. Nikolashvili, M. Mobberley, M. Morales-Aimar, M. Stojanovic, N. G. Ribes, N. James, N. Kalita, O. M. Kurtanidze, O. Vince, Pankaj Kushwaha, P. A. Novikova, Paul J. Wiita, P. U. Devanand, R. C. Garcia, R. G. Farfan, R. N. Nogues, R. Pickard, Rumen Bachev, R. Z. Ivanidze, S. Arnold, S. Boeva, Sergey S. Savchenko, Shao Ming Hu, S. Haque, S. Ibryamov, S. Johnstone, S. J. Wagner, S. Karge, S. Kishore, Sofia O. Kurtanidze, Svetlana G. Jorstad, T. Arranz, T. S. Grishina, T. Tripathi, V. A. Hagen-Thorn, V. Dhiman, Wen-Xin Yang, W. Zuo, X. Chen, Y. Nikolov, Yu. V. Troitskaya, Zhongxiang Wang, Z. R. Weaver, Z. Zhang","submitted_at":"2026-07-08T09:32:09Z","abstract_excerpt":"We present the most densely sampled multi-band optical photometric observations of the peculiar BL Lacertae object OJ 287 from 2015 to 2025 with a focus on its optical activity on diverse timescales. We present a total of 2296, 10927, 11484, and 2982 data points in B, V, R, and I bands, respectively. The densely sampled observations allow us to keep track of the source evolution that it has exhibited since the start of the predicted major optical flaring activity at the end of 2015. The study reveals clear and persistent bluer when brighter trends in both the long-term and short-term variation"},"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":"2607.07201","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-08T09:32:09Z","cross_cats_sorted":[],"title_canon_sha256":"168c04ce98943db47c263982fb5de74902051508c9676e9103e8036fbc27882f","abstract_canon_sha256":"247a0b8f34d65f10d867845c3bcd326c12351b0a21c80285d4b5ab5f18e5fd71"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T01:20:17.717033Z","signature_b64":"m08bpXzdoCYIGnRgU6mVI2KkUMfyHoQGvcEF5oa/qM3/WT3sPmxvK3r5N3DTHZWrzjgJisDyMvEswEe11dCYCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8299928bc7684a2814c470cab95c44395bd82672f820f2a8136c8661725da71","last_reissued_at":"2026-07-09T01:20:17.716561Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T01:20:17.716561Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multi-band optical photometric variability of the blazar OJ 287 from 2015 to 2025","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. A. Vasilyev, A. Darriba, A. E. Perez, A. E. Volvach, A. Kurtenkov, Alan P. Marscher, Alok C. Gupta, A. Strigachev, A. V. Zhovtan, B. Jardine, B. Rajkumar, B. Villarroel, C. L. Barcelo, C. Perello, D. A. Morozova, D. Boyd, D. Buczinski, E. F. Mananes, E. G. Larionova, E. N. Kopatskaya, E. R. Lorenz, E. Semkov, E. V. Shishkina, F. C. Cucarella, F. Garcia, F. G. Pinilla, F. H. Grondona, F. L. Martinez, F. Rahmatullaeva, F. S. Alfaro, G. A. Borman, G. Hurst, Goran Damljanovic, G. Poyner, H. Gaur, H. Guo, I. S. Troitskiy, J. B. Amatller, J. C. Gomez, J. D. Casal, J. H. Fan, J. L. Gonzalez-Carballo, J. Lozano, J. L. S. Gonzalez, J. M. Cores, J. M. F. Andujar, J. R. Fernandez, J. Valero, Karan Dogra, Katsura Matsumoto, Lang Cui, L. M. Penas, L. N. Volvach, L. T. Espasa, Mai Liao, Mark Kidger, Mauri J. Valtonen, M. Bachini, M. D. Jovanovic, M. F. Gu, M. G. Nikolashvili, M. Mobberley, M. Morales-Aimar, M. Stojanovic, N. G. Ribes, N. James, N. Kalita, O. M. Kurtanidze, O. Vince, Pankaj Kushwaha, P. A. Novikova, Paul J. Wiita, P. U. Devanand, R. C. Garcia, R. G. Farfan, R. N. Nogues, R. Pickard, Rumen Bachev, R. Z. Ivanidze, S. Arnold, S. Boeva, Sergey S. Savchenko, Shao Ming Hu, S. Haque, S. Ibryamov, S. Johnstone, S. J. Wagner, S. Karge, S. Kishore, Sofia O. Kurtanidze, Svetlana G. Jorstad, T. Arranz, T. S. Grishina, T. Tripathi, V. A. Hagen-Thorn, V. Dhiman, Wen-Xin Yang, W. Zuo, X. Chen, Y. Nikolov, Yu. V. Troitskaya, Zhongxiang Wang, Z. R. Weaver, Z. Zhang","submitted_at":"2026-07-08T09:32:09Z","abstract_excerpt":"We present the most densely sampled multi-band optical photometric observations of the peculiar BL Lacertae object OJ 287 from 2015 to 2025 with a focus on its optical activity on diverse timescales. We present a total of 2296, 10927, 11484, and 2982 data points in B, V, R, and I bands, respectively. The densely sampled observations allow us to keep track of the source evolution that it has exhibited since the start of the predicted major optical flaring activity at the end of 2015. The study reveals clear and persistent bluer when brighter trends in both the long-term and short-term variation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07201","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/2607.07201/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":"2607.07201","created_at":"2026-07-09T01:20:17.716617+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.07201v1","created_at":"2026-07-09T01:20:17.716617+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07201","created_at":"2026-07-09T01:20:17.716617+00:00"},{"alias_kind":"pith_short_12","alias_value":"VAUZSKF4O2CK","created_at":"2026-07-09T01:20:17.716617+00:00"},{"alias_kind":"pith_short_16","alias_value":"VAUZSKF4O2CKFAKM","created_at":"2026-07-09T01:20:17.716617+00:00"},{"alias_kind":"pith_short_8","alias_value":"VAUZSKF4","created_at":"2026-07-09T01:20:17.716617+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO","json":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO.json","graph_json":"https://pith.science/api/pith-number/VAUZSKF4O2CKFAKMI4GKXFOEIO/graph.json","events_json":"https://pith.science/api/pith-number/VAUZSKF4O2CKFAKMI4GKXFOEIO/events.json","paper":"https://pith.science/paper/VAUZSKF4"},"agent_actions":{"view_html":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO","download_json":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO.json","view_paper":"https://pith.science/paper/VAUZSKF4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.07201&json=true","fetch_graph":"https://pith.science/api/pith-number/VAUZSKF4O2CKFAKMI4GKXFOEIO/graph.json","fetch_events":"https://pith.science/api/pith-number/VAUZSKF4O2CKFAKMI4GKXFOEIO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO/action/storage_attestation","attest_author":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO/action/author_attestation","sign_citation":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO/action/citation_signature","submit_replication":"https://pith.science/pith/VAUZSKF4O2CKFAKMI4GKXFOEIO/action/replication_record"}},"created_at":"2026-07-09T01:20:17.716617+00:00","updated_at":"2026-07-09T01:20:17.716617+00:00"}