{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:5N3EUE32THN3N2TS374MKYT6WI","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":"a969455335a51529fb2fdb53b5081be2351ad3d5589864e88b403782b1b3e02a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-06T13:32:59Z","title_canon_sha256":"653acd95edd3d05af93d50c53ee794c04c733a9885f53392d5e3aa3807db55f4"},"schema_version":"1.0","source":{"id":"1004.0849","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0849","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0849v2","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0849","created_at":"2026-05-18T02:24:17Z"},{"alias_kind":"pith_short_12","alias_value":"5N3EUE32THN3","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_16","alias_value":"5N3EUE32THN3N2TS","created_at":"2026-05-18T12:26:04Z"},{"alias_kind":"pith_short_8","alias_value":"5N3EUE32","created_at":"2026-05-18T12:26:04Z"}],"graph_snapshots":[{"event_id":"sha256:01cbc651a0808fa8e6f4efb987e63a933f0c9746be48305e6d919e445ef0e777","target":"graph","created_at":"2026-05-18T02:24:17Z","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 the observation of Cyg X-1 in hard spectral state performed during the AGILE Science Verification Phase and Observing Cycle 1 in hard X-rays (with SuperAGILE) and gamma rays (with the GRID) and lasting for about 160 days with a live time of $\\sim 6$ Ms.\n We investigate the variability of Cyg X-1 in hard X-rays at different timescales, from $\\sim 300$ s up to one day, and we apply different tools of timing analysis, such as the autocorrelation function, the first order structure function and the Lomb-Scargle periodogram, to our data (from SuperAGILE) and to the simultaneous data in s","authors_text":"A. Argan, A. Bulgarelli, A. Chen, A. Giuliani, A. Morselli, A. Pellizzoni, A. Rappoldi, A. Trois, A. Zambra, B. Preger, C. Labanti, C. Pittori, E. Costa, E. Del Monte, E. Moretti, E. Striani, E. Vallazza, F. Boffelli, F. D'Ammando, F. Fuschino, F. Gianotti, F. Lazzarotto, F. Longo, F. Perotti, F. Verrecchia, G. Barbiellini, G. Di Cocco, G. Piano, G. Pucella, I. Donnarumma, I. Lapshov, L. A. Antonelli, L. Pacciani, L. Salotti, M. Feroci, M. Galli, M. Marisaldi, M. Pilia, M. Prest, M. Rapisarda, M. Tavani, M. Trifoglio, P. Caraveo, P. Giommi, P. Lipari, P. Picozza, P. Santolamazza, P. Soffitta, P.W. Cattaneo, S. Cutini, S. Mereghetti, S. Sabatini, S. Vercellone, V. Vittorini, Y. Evangelista","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-06T13:32:59Z","title":"A year-long AGILE observation of Cygnus X-1 in hard spectral state"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0849","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":"sha256:97d35f89588a4b85226d7b16d6180c914b174bb889ed2fe47178a8aa1614209d","target":"record","created_at":"2026-05-18T02:24:17Z","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":"a969455335a51529fb2fdb53b5081be2351ad3d5589864e88b403782b1b3e02a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-04-06T13:32:59Z","title_canon_sha256":"653acd95edd3d05af93d50c53ee794c04c733a9885f53392d5e3aa3807db55f4"},"schema_version":"1.0","source":{"id":"1004.0849","kind":"arxiv","version":2}},"canonical_sha256":"eb764a137a99dbb6ea72dff8c5627eb23880f3ff0250e6fd99d485b89ac7a2b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb764a137a99dbb6ea72dff8c5627eb23880f3ff0250e6fd99d485b89ac7a2b4","first_computed_at":"2026-05-18T02:24:17.340422Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:17.340422Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a8E7yBllA64SMzij9z8oy32sh2lrc7shzRlPa+RFjWlqsX6C7phuCTW1InSTTmp8qiD5B4d4RELRSMLd9CsGAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:17.341187Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0849","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97d35f89588a4b85226d7b16d6180c914b174bb889ed2fe47178a8aa1614209d","sha256:01cbc651a0808fa8e6f4efb987e63a933f0c9746be48305e6d919e445ef0e777"],"state_sha256":"aa96d04415aaa9fdff8bda5b48db6232ce330a01f91e7cd736256f2b9e947f3c"}