{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:E6JPSSJXBB23IWTEYV2PZ2CJLX","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"dd1a4cacccd9053f90c8e44bbdb3fb61347af7859e7462fa8082fe76e4ec0d49","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-07T07:15:59Z","title_canon_sha256":"deaef89c7f64508dda2dde5e6a00b6f2b1a62225ce0be847174458854403d347"},"schema_version":"1.0","source":{"id":"1510.03383","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.03383","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"arxiv_version","alias_value":"1510.03383v1","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.03383","created_at":"2026-05-18T00:27:47Z"},{"alias_kind":"pith_short_12","alias_value":"E6JPSSJXBB23","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"E6JPSSJXBB23IWTE","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"E6JPSSJX","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:0134af775eccdd94076f866cc38c9ae86eab3ab43943d9750d366f8f396cfde7","target":"graph","created_at":"2026-05-18T00:27:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"To search for optical variability on a wide range of timescales, we have carried out photometric monitoring of 3C 454.3, 3C 279 and S5 0716+714. CCD magnitudes in B, V, R and I pass-bands were determined for $\\sim$ 7000 new optical observations from 114 nights made during 2011 - 2014, with an average length of $\\sim$ 4 h each, at seven optical telescopes. We measured multiband optical flux and colour variations on diverse timescales. We also investigated its spectral energy distribution using B, V, R, I, J and K pass-band data. We discuss possible physical causes of the observed spectral varia","authors_text":"A. Agarwal, A. C. Gupta","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-07T07:15:59Z","title":"Optical-NIR variability of blazars on diverse timescales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.03383","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:492ee49f516746a3d8324f7a8838ac430ff0405fc2c2b217b4ee425d9e6d4cf7","target":"record","created_at":"2026-05-18T00:27:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"dd1a4cacccd9053f90c8e44bbdb3fb61347af7859e7462fa8082fe76e4ec0d49","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-10-07T07:15:59Z","title_canon_sha256":"deaef89c7f64508dda2dde5e6a00b6f2b1a62225ce0be847174458854403d347"},"schema_version":"1.0","source":{"id":"1510.03383","kind":"arxiv","version":1}},"canonical_sha256":"2792f949370875b45a64c574fce8495decd835a21512598bb720f1e8773bef52","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2792f949370875b45a64c574fce8495decd835a21512598bb720f1e8773bef52","first_computed_at":"2026-05-18T00:27:47.325464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:47.325464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"odfTYSWo4TiaLVE5WS/+WujAnLcUNwb9OE8PYW9ao+AiolHo8839/rgMw9HbCRQx/Ie/SHAM0+emGl5oSQDgDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:47.326054Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.03383","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:492ee49f516746a3d8324f7a8838ac430ff0405fc2c2b217b4ee425d9e6d4cf7","sha256:0134af775eccdd94076f866cc38c9ae86eab3ab43943d9750d366f8f396cfde7"],"state_sha256":"0c2c63f51b61f9eee5d7cb8faa270cf09c961be6e0b7e703d00bced5487c6b84"}