{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:BIQOHDZUUAXEH33ZEEA3PUMYV6","short_pith_number":"pith:BIQOHDZU","schema_version":"1.0","canonical_sha256":"0a20e38f34a02e43ef792101b7d198afad651e38f4fc8d6f19e45d37a16f4515","source":{"kind":"arxiv","id":"1409.3022","version":1},"attestation_state":"computed","paper":{"title":"Longterm Optical Monitoring of Bright BL Lacertae Objects with ATOM: Spectral Variability and Multiwavelength Correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alicja Wierzcholska, {\\L}ukasz Stawarz, Marcus Hauser, Micha{\\l} Ostrowski, Stefan Wagner","submitted_at":"2014-09-10T11:10:51Z","abstract_excerpt":"Blazars are the established sources of an intense and variable non-thermal radiation extending from radio wavelengths up to HE and VHE gamma-rays. Understanding the spectral evolution of blazars in selected frequency ranges, as well as multi-frequency correlations in various types of blazar sources, is of a primary importance for constraining the blazar physics. Here we present the results of a long-term optical monitoring of a sample of 30 blazars of the BL Lac type. We study the optical color-magnitude correlation patterns emerging in the analyzed sample, and compare the optical properties o"},"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":"1409.3022","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-09-10T11:10:51Z","cross_cats_sorted":[],"title_canon_sha256":"2181f11c6b28ba2ce62ba36e54a813cb1fcb2d0962abef82cc54d3ea69202797","abstract_canon_sha256":"5225e9ea3a36ecc27a83df0afb64daae98b984ac98a3e5047c8620916d79e302"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:39.842990Z","signature_b64":"EpCdMDddhRjPlIzFVFuS2BfS8o/Vffjaq97mSlR+nz6FeBTWjXRyR3tEa0medJw2/y+Nm4Lmq1jnlbAC6VvwCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a20e38f34a02e43ef792101b7d198afad651e38f4fc8d6f19e45d37a16f4515","last_reissued_at":"2026-05-18T02:30:39.842550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:39.842550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Longterm Optical Monitoring of Bright BL Lacertae Objects with ATOM: Spectral Variability and Multiwavelength Correlations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Alicja Wierzcholska, {\\L}ukasz Stawarz, Marcus Hauser, Micha{\\l} Ostrowski, Stefan Wagner","submitted_at":"2014-09-10T11:10:51Z","abstract_excerpt":"Blazars are the established sources of an intense and variable non-thermal radiation extending from radio wavelengths up to HE and VHE gamma-rays. Understanding the spectral evolution of blazars in selected frequency ranges, as well as multi-frequency correlations in various types of blazar sources, is of a primary importance for constraining the blazar physics. Here we present the results of a long-term optical monitoring of a sample of 30 blazars of the BL Lac type. We study the optical color-magnitude correlation patterns emerging in the analyzed sample, and compare the optical properties o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3022","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":"1409.3022","created_at":"2026-05-18T02:30:39.842626+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.3022v1","created_at":"2026-05-18T02:30:39.842626+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3022","created_at":"2026-05-18T02:30:39.842626+00:00"},{"alias_kind":"pith_short_12","alias_value":"BIQOHDZUUAXE","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"BIQOHDZUUAXEH33Z","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"BIQOHDZU","created_at":"2026-05-18T12:28:22.404517+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1906.08607","citing_title":"Millimeter-wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope","ref_index":38,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6","json":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6.json","graph_json":"https://pith.science/api/pith-number/BIQOHDZUUAXEH33ZEEA3PUMYV6/graph.json","events_json":"https://pith.science/api/pith-number/BIQOHDZUUAXEH33ZEEA3PUMYV6/events.json","paper":"https://pith.science/paper/BIQOHDZU"},"agent_actions":{"view_html":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6","download_json":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6.json","view_paper":"https://pith.science/paper/BIQOHDZU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.3022&json=true","fetch_graph":"https://pith.science/api/pith-number/BIQOHDZUUAXEH33ZEEA3PUMYV6/graph.json","fetch_events":"https://pith.science/api/pith-number/BIQOHDZUUAXEH33ZEEA3PUMYV6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6/action/storage_attestation","attest_author":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6/action/author_attestation","sign_citation":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6/action/citation_signature","submit_replication":"https://pith.science/pith/BIQOHDZUUAXEH33ZEEA3PUMYV6/action/replication_record"}},"created_at":"2026-05-18T02:30:39.842626+00:00","updated_at":"2026-05-18T02:30:39.842626+00:00"}