{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GK6PJY23GV2P6IF7Z47XTAHQ2P","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":"9589571ac4a16c8091029d09aaed3716547dab919573b5baed4ef8a5b9b05516","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-02-12T20:38:56Z","title_canon_sha256":"6a55e4c1ce6c19a4943a4ccc84973398d1d047e474b727c48b10f9d2e55465f1"},"schema_version":"1.0","source":{"id":"1602.04200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.04200","created_at":"2026-05-18T01:20:07Z"},{"alias_kind":"arxiv_version","alias_value":"1602.04200v1","created_at":"2026-05-18T01:20:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.04200","created_at":"2026-05-18T01:20:07Z"},{"alias_kind":"pith_short_12","alias_value":"GK6PJY23GV2P","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GK6PJY23GV2P6IF7","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GK6PJY23","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:a5653468751198cf7342918d9d4c94098c50a544214d65651591af05c75d53a1","target":"graph","created_at":"2026-05-18T01:20:07Z","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":"We present our optical photometric observations of three TeV blazars, PKS 1510-089, PG 1553+113 and Mrk 501 taken using two telescopes in India, one in Bulgaria, one in Greece and one in Serbia during 2012 - 2014. These observations covered a total of 95 nights with a total of 202 B filter frames, 247 images in V band, 817 in R band while 229 images were taken in the I filter. This work is focused on multi-band flux and colour variability studies of these blazars on diverse timescales which are useful in understanding the emission mechanisms. We studied the variability characteristics of above","authors_text":"A. Agarwal, Alok C. Gupta, A. Strigachev, E. Semkov, G. Damljanovic, H. Gaur, J. Bhagwan, O. Vince, Paul J. Wiita, R. Bachev","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-02-12T20:38:56Z","title":"Multi-band optical variability of three TeV Blazars on Diverse Timescales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.04200","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:ac42665bf71e6e7c96249b39106b4f9a586059bdda4452c16bf0040bfe4542c4","target":"record","created_at":"2026-05-18T01:20:07Z","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":"9589571ac4a16c8091029d09aaed3716547dab919573b5baed4ef8a5b9b05516","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-02-12T20:38:56Z","title_canon_sha256":"6a55e4c1ce6c19a4943a4ccc84973398d1d047e474b727c48b10f9d2e55465f1"},"schema_version":"1.0","source":{"id":"1602.04200","kind":"arxiv","version":1}},"canonical_sha256":"32bcf4e35b3574ff20bfcf3f7980f0d3cdf4871046bc8c294418089acd0d00d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32bcf4e35b3574ff20bfcf3f7980f0d3cdf4871046bc8c294418089acd0d00d7","first_computed_at":"2026-05-18T01:20:07.930253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:07.930253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2tBOqVLOg40DCIw0DvBZQMBO3i+cl+e+PEy/W47hrCrvUvr4APdxl11xw358NvJpaSVx8S+RhrGRuo7F/8deAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:07.931042Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.04200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ac42665bf71e6e7c96249b39106b4f9a586059bdda4452c16bf0040bfe4542c4","sha256:a5653468751198cf7342918d9d4c94098c50a544214d65651591af05c75d53a1"],"state_sha256":"c29b0f10c1f0d21f3497e54bbd52dfb30f745ccf7aaded18f406278a2ef9e279"}