{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:EUNBQ4QENE5LC4BCGUAPWGH6TR","short_pith_number":"pith:EUNBQ4QE","schema_version":"1.0","canonical_sha256":"251a187204693ab170223500fb18fe9c7841135772f77d96f42769ef2314beb8","source":{"kind":"arxiv","id":"2606.21936","version":1},"attestation_state":"computed","paper":{"title":"Intraday Optical Variability of BL Lacertae during its Highly Active 2020-2024 Phase","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Aditi Agarwal, A. Takey, Aykut Ozdonmez, B. M. Mihov, E. G. Elhosseiny, Erg\\\"un Ege, F. I. Elnagahy, H\\\"useyin Er, I. Zead, L. S. Slavcheva-Mihova, M. Emir Kenger, M. S. Rizk, Murat Tekkesinoglu, S. K. J. Pacif, W. A. Badawy","submitted_at":"2026-06-20T08:08:34Z","abstract_excerpt":"We present an analysis of the intraday flux and spectral variability of BL Lacertae from 2020 September 30 to 2024 December 7, covering its highest recorded brightness and low, intermediate, and high flux states. Our study involved 62 nights of multi-band (BVRI) optical monitoring using four ground-based telescopes located in Egypt, T\\\"urkiye, and Bulgaria. We assessed intraday flux variability using the power-enhanced F-test and the nested ANOVA test. Significant variability was detected in 88 out of 117 light curves, consistent with previous studies of this object during active epochs. The m"},"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":"2606.21936","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-20T08:08:34Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"61e53f1060dedbc928ef82c5eb53e91f63f34b855d2fa88a36d86e9906ed7c04","abstract_canon_sha256":"080f135b3fdbcc5a451c09f3ae8f54f351c0db78c0854cfd830bee43932d2298"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:03.539060Z","signature_b64":"RLwM3NCC+WKDjdQJ0E5NDGwNTFXrXWooiJTVRcU4U61ZS+14W8GohUuFIujTGN9L7MaKVpwdSV39X+uf5FAdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"251a187204693ab170223500fb18fe9c7841135772f77d96f42769ef2314beb8","last_reissued_at":"2026-06-23T02:13:03.538645Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:03.538645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Intraday Optical Variability of BL Lacertae during its Highly Active 2020-2024 Phase","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Aditi Agarwal, A. Takey, Aykut Ozdonmez, B. M. Mihov, E. G. Elhosseiny, Erg\\\"un Ege, F. I. Elnagahy, H\\\"useyin Er, I. Zead, L. S. Slavcheva-Mihova, M. Emir Kenger, M. S. Rizk, Murat Tekkesinoglu, S. K. J. Pacif, W. A. Badawy","submitted_at":"2026-06-20T08:08:34Z","abstract_excerpt":"We present an analysis of the intraday flux and spectral variability of BL Lacertae from 2020 September 30 to 2024 December 7, covering its highest recorded brightness and low, intermediate, and high flux states. Our study involved 62 nights of multi-band (BVRI) optical monitoring using four ground-based telescopes located in Egypt, T\\\"urkiye, and Bulgaria. We assessed intraday flux variability using the power-enhanced F-test and the nested ANOVA test. Significant variability was detected in 88 out of 117 light curves, consistent with previous studies of this object during active epochs. The m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21936","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/2606.21936/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":"2606.21936","created_at":"2026-06-23T02:13:03.538711+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.21936v1","created_at":"2026-06-23T02:13:03.538711+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21936","created_at":"2026-06-23T02:13:03.538711+00:00"},{"alias_kind":"pith_short_12","alias_value":"EUNBQ4QENE5L","created_at":"2026-06-23T02:13:03.538711+00:00"},{"alias_kind":"pith_short_16","alias_value":"EUNBQ4QENE5LC4BC","created_at":"2026-06-23T02:13:03.538711+00:00"},{"alias_kind":"pith_short_8","alias_value":"EUNBQ4QE","created_at":"2026-06-23T02:13:03.538711+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/EUNBQ4QENE5LC4BCGUAPWGH6TR","json":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR.json","graph_json":"https://pith.science/api/pith-number/EUNBQ4QENE5LC4BCGUAPWGH6TR/graph.json","events_json":"https://pith.science/api/pith-number/EUNBQ4QENE5LC4BCGUAPWGH6TR/events.json","paper":"https://pith.science/paper/EUNBQ4QE"},"agent_actions":{"view_html":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR","download_json":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR.json","view_paper":"https://pith.science/paper/EUNBQ4QE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.21936&json=true","fetch_graph":"https://pith.science/api/pith-number/EUNBQ4QENE5LC4BCGUAPWGH6TR/graph.json","fetch_events":"https://pith.science/api/pith-number/EUNBQ4QENE5LC4BCGUAPWGH6TR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR/action/storage_attestation","attest_author":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR/action/author_attestation","sign_citation":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR/action/citation_signature","submit_replication":"https://pith.science/pith/EUNBQ4QENE5LC4BCGUAPWGH6TR/action/replication_record"}},"created_at":"2026-06-23T02:13:03.538711+00:00","updated_at":"2026-06-23T02:13:03.538711+00:00"}