{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:6QIZPU4Z346MVCAMMVHBP7VTG4","short_pith_number":"pith:6QIZPU4Z","schema_version":"1.0","canonical_sha256":"f41197d399df3cca880c654e17feb33714dadbf4340e4e16bf7b405c0ac57ed6","source":{"kind":"arxiv","id":"1402.7045","version":1},"attestation_state":"computed","paper":{"title":"Optical Photopolarimetry of Blazar OJ287","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"E. Ovcharov, G. Nikolov, V. Bozhilov","submitted_at":"2014-02-27T20:00:20Z","abstract_excerpt":"We present results from an original observational campaign comprising five epoch optical photopolarimetrical observations of the BL Lac-type AGN OJ287 in the period 2012 November - 2013 April. The data are gathered with the Focal Reducer Rozhen 2 - FoReRo2 on the 2-m RCC telescope at NAO Rozhen, Bulgaria. We derive photometry and polarization in R-band, as well as position angle (P.A.). There are indications for correlation between polarization and brightness in R-band. Furthermore, observed variation in P.A. corresponds to a rotation of the plane of polarization of 5.80 deg per day."},"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":"1402.7045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-02-27T20:00:20Z","cross_cats_sorted":[],"title_canon_sha256":"dfae63b56740966f562932daee2ef4d1d31206060cab0872170de4ae0777ae5d","abstract_canon_sha256":"756a5703ce3ce3f00f4ba39cc98c4788c49c48f6638edde42d748437108d12e4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:57:36.380884Z","signature_b64":"Kein750rMPTvDWVS1GJ1ygol9Qn+p9vrs9vs49+fcDS2kwKvoOOXiAq/OjfXUskg4Fv5AR7U+M5ondJ4ILGIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f41197d399df3cca880c654e17feb33714dadbf4340e4e16bf7b405c0ac57ed6","last_reissued_at":"2026-05-18T02:57:36.380452Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:57:36.380452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical Photopolarimetry of Blazar OJ287","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"E. Ovcharov, G. Nikolov, V. Bozhilov","submitted_at":"2014-02-27T20:00:20Z","abstract_excerpt":"We present results from an original observational campaign comprising five epoch optical photopolarimetrical observations of the BL Lac-type AGN OJ287 in the period 2012 November - 2013 April. The data are gathered with the Focal Reducer Rozhen 2 - FoReRo2 on the 2-m RCC telescope at NAO Rozhen, Bulgaria. We derive photometry and polarization in R-band, as well as position angle (P.A.). There are indications for correlation between polarization and brightness in R-band. Furthermore, observed variation in P.A. corresponds to a rotation of the plane of polarization of 5.80 deg per day."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.7045","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":"1402.7045","created_at":"2026-05-18T02:57:36.380511+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.7045v1","created_at":"2026-05-18T02:57:36.380511+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.7045","created_at":"2026-05-18T02:57:36.380511+00:00"},{"alias_kind":"pith_short_12","alias_value":"6QIZPU4Z346M","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"6QIZPU4Z346MVCAM","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"6QIZPU4Z","created_at":"2026-05-18T12:28:16.859392+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/6QIZPU4Z346MVCAMMVHBP7VTG4","json":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4.json","graph_json":"https://pith.science/api/pith-number/6QIZPU4Z346MVCAMMVHBP7VTG4/graph.json","events_json":"https://pith.science/api/pith-number/6QIZPU4Z346MVCAMMVHBP7VTG4/events.json","paper":"https://pith.science/paper/6QIZPU4Z"},"agent_actions":{"view_html":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4","download_json":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4.json","view_paper":"https://pith.science/paper/6QIZPU4Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.7045&json=true","fetch_graph":"https://pith.science/api/pith-number/6QIZPU4Z346MVCAMMVHBP7VTG4/graph.json","fetch_events":"https://pith.science/api/pith-number/6QIZPU4Z346MVCAMMVHBP7VTG4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4/action/storage_attestation","attest_author":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4/action/author_attestation","sign_citation":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4/action/citation_signature","submit_replication":"https://pith.science/pith/6QIZPU4Z346MVCAMMVHBP7VTG4/action/replication_record"}},"created_at":"2026-05-18T02:57:36.380511+00:00","updated_at":"2026-05-18T02:57:36.380511+00:00"}