{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z75DXAUPRDYUFYYQS4PZC3LEJT","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":"5f2fde06c6f3cb34a73b7f030bf9e35667c4ead0a9d40277a5436cb4c062514d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-07T10:47:14Z","title_canon_sha256":"fe8f5bdff3bd4cd9898dbdef4c61ec3efd6b9651417328218c395798fa99384f"},"schema_version":"1.0","source":{"id":"1901.01743","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01743","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01743v1","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01743","created_at":"2026-05-17T23:56:16Z"},{"alias_kind":"pith_short_12","alias_value":"Z75DXAUPRDYU","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Z75DXAUPRDYUFYYQ","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Z75DXAUP","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:b2e252e8ea9c11519f34391a74ba02c8e5bd6d2f83a2d968d89c90971bcf2669","target":"graph","created_at":"2026-05-17T23:56:16Z","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":"The variability of the high-frequency peaked BL Lac object PKS 2155-304 is studied using almost 10 years of optical, X-ray and gamma-rays data. Publicly available data have been gathered and analyzed with the aim to characterize the variability and to search for log-normality or periodic behavior. The optical and X-ray range follow a log-normal process; a hint for a periodicity of about 700 days is found in optical and in the high energy (100 MeV <E<300 GeV) range. A one zone, time-dependent, synchrotron self-Compton model is successfully used to reproduce the evolution with energy of the vari","authors_text":"D.A. Sanchez, G. Maurin, J. Chevalier, J.-P. Lenain, P. D. Serpico","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-07T10:47:14Z","title":"Variability studies and modeling of the blazar PKS 2155-304 in the light of a decade of multi-wavelength observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01743","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":"sha256:2ff7bab8eede0cad17530af97166fc338aed0c2635a1f5812623c1ce2b30003b","target":"record","created_at":"2026-05-17T23:56:16Z","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":"5f2fde06c6f3cb34a73b7f030bf9e35667c4ead0a9d40277a5436cb4c062514d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-01-07T10:47:14Z","title_canon_sha256":"fe8f5bdff3bd4cd9898dbdef4c61ec3efd6b9651417328218c395798fa99384f"},"schema_version":"1.0","source":{"id":"1901.01743","kind":"arxiv","version":1}},"canonical_sha256":"cffa3b828f88f142e310971f916d644cdd58e0902f952c88eedf091d52b99edb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cffa3b828f88f142e310971f916d644cdd58e0902f952c88eedf091d52b99edb","first_computed_at":"2026-05-17T23:56:16.259834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:16.259834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6CO57W8Ri2oNx6dsxM/ntZ4E2f3s/idsBaK/TAC8ou4pgt+C+1ggzmqYJ7gnLJe/RNq4P9EgYKY++tp5zj2Aw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:16.260386Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.01743","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2ff7bab8eede0cad17530af97166fc338aed0c2635a1f5812623c1ce2b30003b","sha256:b2e252e8ea9c11519f34391a74ba02c8e5bd6d2f83a2d968d89c90971bcf2669"],"state_sha256":"c6a4d454a5096dab6383dd17311cdb6befba860217b54c7c896eebbe791d7cd0"}