{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:BYQYPIR4WWSUNY34ZV5VLIQXTK","short_pith_number":"pith:BYQYPIR4","schema_version":"1.0","canonical_sha256":"0e2187a23cb5a546e37ccd7b55a2179ab6e586d1bd63c492fb0bfb31d03cb926","source":{"kind":"arxiv","id":"0901.1225","version":1},"attestation_state":"computed","paper":{"title":"Multiwavelength Observations of Markarian 421 in 2005 - 2006","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Cannon, A. Cesarini, A. C. Sadun, A. D. Falcone, A. Konopelko, A. Lahteenmaki, A. W. Smith, B. Jordan, B. Zitzer, D. A. Williams, D. Barnaby, D. Gall, D. Hanna, D. Horan, D. Steele, E. Hays, F., G. Gyuk, G. H. Gillanders, G. H. Sembroski, H. A. Krimm, H. D. Aller, H. J. Rose, H. Krawczynski, J. A. Toner, J. F. Le Campion, J. Grube, J. H. Buckley, J. Kildea, J. Maune, J. Niemiec, J. P. Dumm, J. P. Finley, J. Quinn, J. S. Perkins, K. L. Byrum, K. Lee, L. Ciupik, L. F. Fortson, M. Baker, M. D. Wood, M. F. Aller, M. J. Lang, M. Kertzman, M. Pohl, M. T. Carini, M. Tornikoski, M. Turunen, N. E. Fields, O. Celik, O. M. Kurtanidze, P. Charlot, P. Cogan, P. Fortin, P. Moriarty, P. T. Reynolds, R. A. Ong, R. J. White, R. Walters, S. J. Fegan, S. M. Bradbury, S. P. Swordy, S. P. Wakely, S. Smith, T. C. Weekes, T. Hovatta, T. Montaruli, T. Nagai, V. A. Acciari, V. Bugaev, V. V. Vassiliev, Y. A. Kovalev, Y. C. K. Chow, Y. Y. Kovalev","submitted_at":"2009-01-09T11:42:57Z","abstract_excerpt":"Since September 2005, the Whipple 10m Gamma-ray Telescope has been operated primarily as a blazar monitor. The five Northern Hemisphere blazars that have already been detected at the Whipple Observatory, Markarian 421, H1426+428, Markarian 501, 1ES 1959+650 and 1ES 2344+514, are monitored routinely each night that they are visible. We report on the Markarian 421 observations taken from November 2005 to June 2006 in the gamma-ray, X-ray, optical and radio bands. During this time, Markarian 421 was found to be variable at all wavelengths probed. Both the variability and the correlations among di"},"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":"0901.1225","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-01-09T11:42:57Z","cross_cats_sorted":[],"title_canon_sha256":"388e34c7e0a49c88dfd7d9bade6cd2c75023baf7e83ec5cb8340463d39665865","abstract_canon_sha256":"a3ec8a01b31eeff46da058995c7115877e0009ea4fec5b53e41090b95fdef2f6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:24.008581Z","signature_b64":"7gyOwCjz2lO2KFnqv4NSBE2eqgmR+/Bb/Ih91hHcw/4DEdhMzWGbJ7aDRxXBPRv8atfo2C8+sA9+dA1FR17NBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e2187a23cb5a546e37ccd7b55a2179ab6e586d1bd63c492fb0bfb31d03cb926","last_reissued_at":"2026-05-18T04:29:24.007840Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:24.007840Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiwavelength Observations of Markarian 421 in 2005 - 2006","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Cannon, A. Cesarini, A. C. Sadun, A. D. Falcone, A. Konopelko, A. Lahteenmaki, A. W. Smith, B. Jordan, B. Zitzer, D. A. Williams, D. Barnaby, D. Gall, D. Hanna, D. Horan, D. Steele, E. Hays, F., G. Gyuk, G. H. Gillanders, G. H. Sembroski, H. A. Krimm, H. D. Aller, H. J. Rose, H. Krawczynski, J. A. Toner, J. F. Le Campion, J. Grube, J. H. Buckley, J. Kildea, J. Maune, J. Niemiec, J. P. Dumm, J. P. Finley, J. Quinn, J. S. Perkins, K. L. Byrum, K. Lee, L. Ciupik, L. F. Fortson, M. Baker, M. D. Wood, M. F. Aller, M. J. Lang, M. Kertzman, M. Pohl, M. T. Carini, M. Tornikoski, M. Turunen, N. E. Fields, O. Celik, O. M. Kurtanidze, P. Charlot, P. Cogan, P. Fortin, P. Moriarty, P. T. Reynolds, R. A. Ong, R. J. White, R. Walters, S. J. Fegan, S. M. Bradbury, S. P. Swordy, S. P. Wakely, S. Smith, T. C. Weekes, T. Hovatta, T. Montaruli, T. Nagai, V. A. Acciari, V. Bugaev, V. V. Vassiliev, Y. A. Kovalev, Y. C. K. Chow, Y. Y. Kovalev","submitted_at":"2009-01-09T11:42:57Z","abstract_excerpt":"Since September 2005, the Whipple 10m Gamma-ray Telescope has been operated primarily as a blazar monitor. The five Northern Hemisphere blazars that have already been detected at the Whipple Observatory, Markarian 421, H1426+428, Markarian 501, 1ES 1959+650 and 1ES 2344+514, are monitored routinely each night that they are visible. We report on the Markarian 421 observations taken from November 2005 to June 2006 in the gamma-ray, X-ray, optical and radio bands. During this time, Markarian 421 was found to be variable at all wavelengths probed. Both the variability and the correlations among di"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0901.1225","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":""},"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":"0901.1225","created_at":"2026-05-18T04:29:24.007959+00:00"},{"alias_kind":"arxiv_version","alias_value":"0901.1225v1","created_at":"2026-05-18T04:29:24.007959+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0901.1225","created_at":"2026-05-18T04:29:24.007959+00:00"},{"alias_kind":"pith_short_12","alias_value":"BYQYPIR4WWSU","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"BYQYPIR4WWSUNY34","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"BYQYPIR4","created_at":"2026-05-18T12:25:58.837520+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/BYQYPIR4WWSUNY34ZV5VLIQXTK","json":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK.json","graph_json":"https://pith.science/api/pith-number/BYQYPIR4WWSUNY34ZV5VLIQXTK/graph.json","events_json":"https://pith.science/api/pith-number/BYQYPIR4WWSUNY34ZV5VLIQXTK/events.json","paper":"https://pith.science/paper/BYQYPIR4"},"agent_actions":{"view_html":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK","download_json":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK.json","view_paper":"https://pith.science/paper/BYQYPIR4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0901.1225&json=true","fetch_graph":"https://pith.science/api/pith-number/BYQYPIR4WWSUNY34ZV5VLIQXTK/graph.json","fetch_events":"https://pith.science/api/pith-number/BYQYPIR4WWSUNY34ZV5VLIQXTK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK/action/storage_attestation","attest_author":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK/action/author_attestation","sign_citation":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK/action/citation_signature","submit_replication":"https://pith.science/pith/BYQYPIR4WWSUNY34ZV5VLIQXTK/action/replication_record"}},"created_at":"2026-05-18T04:29:24.007959+00:00","updated_at":"2026-05-18T04:29:24.007959+00:00"}