{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XD4IJAPJY6SZ3ZLRBE7HIGDLKV","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":"4e0e10d5a9696aad8a06f5f6313899bae6fbb97e0b56c02e138cc68cbe92b9bb","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-02-16T21:00:06Z","title_canon_sha256":"e2cda1089eb170d8525283cddd32901b71b71a5b7889599315c4bb916f45411b"},"schema_version":"1.0","source":{"id":"1502.04699","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.04699","created_at":"2026-05-18T01:36:54Z"},{"alias_kind":"arxiv_version","alias_value":"1502.04699v2","created_at":"2026-05-18T01:36:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.04699","created_at":"2026-05-18T01:36:54Z"},{"alias_kind":"pith_short_12","alias_value":"XD4IJAPJY6SZ","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XD4IJAPJY6SZ3ZLR","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XD4IJAPJ","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:97dffb0eab541641299c6de0b3b15417ea74a709b7a5ff306cca113d011153ea","target":"graph","created_at":"2026-05-18T01:36:54Z","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 report the results of a multi-band observing campaign on the famous blazar 3C 279 conducted during a phase of increased activity from 2013 December to 2014 April, including first observations of it with NuSTAR. The $\\gamma$-ray emission of the source measured by Fermi-LAT showed multiple distinct flares reaching the highest flux level measured in this object since the beginning of the Fermi mission, with $F(E > 100\\,{\\rm MeV})$ of $10^{-5}$ photons cm$^{-2}$ s$^{-1}$, and with a flux doubling time scale as short as 2 hours. The $\\gamma$-ray spectrum during one of the flares was very hard, w","authors_text":"A. Agarwal, A. C. Gupta, A. Hornstrup, A. K. Furniss, A. Zoglauer, B. Grefenstette, C. Hailey, C. M. Urry, D. Barret, D. M. Alexander, D. Stern, F. A. Harrison, F. E. Christensen, G. M. Madejski, G. Tagliaferri, H. Akitaya, H. Miyasaka, I. Hasan, J. Chiang, J. E. Koglin, K. Forster, K. Kawaguch, K. K. Madsen, K. Mori, K. Nalewajko, K. S. Kawabata, K. Takaki, M. A. Gurwell, M. Ajello, M. Balokovi\\'c, M. Hayashida, M. J. Pivovaroff, M. Perri, M. Sikora, M. Uemura, M. Yoshida, N. J. Westergaard, P. Giommi, P. H. Mao, R. D. Blandford, R. Itoh, S. Buson, S. E. Boggs, S. Puccetti, T. Kitaguchi, T. Ui, V. Rana, W. W. Craig, W. W. Zhang, Y. Fukazawa, Y. Kanda, Y. Moritani","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-02-16T21:00:06Z","title":"Rapid Variability of Blazar 3C 279 during Flaring States in 2013-2014 with Joint Fermi-LAT, NuSTAR, Swift, and Ground-Based Multi-wavelength Observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.04699","kind":"arxiv","version":2},"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:b69c307137bf9c975295108dded7f1166ea1a47c54d523d5c09365b56a816813","target":"record","created_at":"2026-05-18T01:36:54Z","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":"4e0e10d5a9696aad8a06f5f6313899bae6fbb97e0b56c02e138cc68cbe92b9bb","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-02-16T21:00:06Z","title_canon_sha256":"e2cda1089eb170d8525283cddd32901b71b71a5b7889599315c4bb916f45411b"},"schema_version":"1.0","source":{"id":"1502.04699","kind":"arxiv","version":2}},"canonical_sha256":"b8f88481e9c7a59de571093e74186b5569c9d46f6bb6387f40e5b0c82a65ea43","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8f88481e9c7a59de571093e74186b5569c9d46f6bb6387f40e5b0c82a65ea43","first_computed_at":"2026-05-18T01:36:54.400504Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:54.400504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JLgXfcgRaASC1emdtZctasO6wi2C+ZquWzOxql2hSlyJMi6Nfdy+1X+SUuJUDgFZQjj5RW/Dt1oWsBt8sf59Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:54.401175Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.04699","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b69c307137bf9c975295108dded7f1166ea1a47c54d523d5c09365b56a816813","sha256:97dffb0eab541641299c6de0b3b15417ea74a709b7a5ff306cca113d011153ea"],"state_sha256":"d86e3c42fc8e895f89494b7751b993136ee7487e80f0dbd3f0759023f09caa4e"}