{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:METDLUN6TON7Z3MYWF6FYK7GWQ","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":"8eb524a61f33d8e3c3f5286ec029b56abfa617e62732e4c976633f862773d458","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-22T17:04:30Z","title_canon_sha256":"0fe7ac2c93475dc58717dc1ba170ee4a1fe9c9c8c4dde0d710c4a19b0caf120c"},"schema_version":"1.0","source":{"id":"2607.20375","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20375","created_at":"2026-07-23T01:25:17Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20375v1","created_at":"2026-07-23T01:25:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20375","created_at":"2026-07-23T01:25:17Z"},{"alias_kind":"pith_short_12","alias_value":"METDLUN6TON7","created_at":"2026-07-23T01:25:17Z"},{"alias_kind":"pith_short_16","alias_value":"METDLUN6TON7Z3MY","created_at":"2026-07-23T01:25:17Z"},{"alias_kind":"pith_short_8","alias_value":"METDLUN6","created_at":"2026-07-23T01:25:17Z"}],"graph_snapshots":[{"event_id":"sha256:c672316c64e3814e7ea630acbc8e8d6548da299f322126681f405e253fdd6924","target":"graph","created_at":"2026-07-23T01:25:17Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.20375/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a multi-wavelength temporal and spectral study of the changing-look blazar B2~1420+32 using \\emph{Fermi}-LAT, \\emph{Swift}-XRT, and \\emph{Swift}-UVOT data from MJD~58818--60721. The source reached a peak 0.1--300~GeV photon flux of $(4.62 \\pm 0.29) \\times 10^{-6}\\,\\mathrm{ph\\,cm^{-2}\\,s^{-1}}$ around MJD~60488, about 60 times the 4FGL-DR4 average, during which the photon index hardened to $2.19 \\pm 0.14$; the flux--index evolution shows only weak evidence for global harder-when-brighter behaviour. The fractional variability is strongly energy dependent, largest in $\\gamma$-rays, sub","authors_text":"Anjum Peer, Bari Maqbool, Ranjeev Misra, Sikandar Akbar, Zahir Shah","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-22T17:04:30Z","title":"Probing the High-Energy Emission of the VHE-emitting Changing-Look Blazar B2 1420+32"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20375","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:ebcffdabb71037b09b0b90a56da97e82c19740a30b2249423521a4d513277a03","target":"record","created_at":"2026-07-23T01:25:17Z","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":"8eb524a61f33d8e3c3f5286ec029b56abfa617e62732e4c976633f862773d458","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-22T17:04:30Z","title_canon_sha256":"0fe7ac2c93475dc58717dc1ba170ee4a1fe9c9c8c4dde0d710c4a19b0caf120c"},"schema_version":"1.0","source":{"id":"2607.20375","kind":"arxiv","version":1}},"canonical_sha256":"612635d1be9b9bfced98b17c5c2be6b425d13ae335a2fbbc0afe69ea304f1927","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"612635d1be9b9bfced98b17c5c2be6b425d13ae335a2fbbc0afe69ea304f1927","first_computed_at":"2026-07-23T01:25:17.566342Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-23T01:25:17.566342Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FNBlBdPSuRgWlv1ekkwGTZ9D0S1awUuuJZWh9MqtGfJrSlfIqVtzCGz7lPuW1W5ZGNVT4fiZeslpHPU+XwXuDA==","signature_status":"signed_v1","signed_at":"2026-07-23T01:25:17.567182Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20375","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebcffdabb71037b09b0b90a56da97e82c19740a30b2249423521a4d513277a03","sha256:c672316c64e3814e7ea630acbc8e8d6548da299f322126681f405e253fdd6924"],"state_sha256":"c87563a57cf07ea7c381806dafd4ae4e485e29561c709ef55f225c90229d7750"}