{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5BD7L4XPCNJHWTSTP6BCAXRKGU","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":"f613deb7281aff0f3befa6381d6dd42a5299cdea60066a92e9a5b9ca042a7f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-22T14:02:35Z","title_canon_sha256":"abdd6724763c03073b6f3c950441db6cdb07f813371c3503de181b7147b47645"},"schema_version":"1.0","source":{"id":"1908.08393","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.08393","created_at":"2026-07-04T23:59:12Z"},{"alias_kind":"arxiv_version","alias_value":"1908.08393v1","created_at":"2026-07-04T23:59:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.08393","created_at":"2026-07-04T23:59:12Z"},{"alias_kind":"pith_short_12","alias_value":"5BD7L4XPCNJH","created_at":"2026-07-04T23:59:12Z"},{"alias_kind":"pith_short_16","alias_value":"5BD7L4XPCNJHWTST","created_at":"2026-07-04T23:59:12Z"},{"alias_kind":"pith_short_8","alias_value":"5BD7L4XP","created_at":"2026-07-04T23:59:12Z"}],"graph_snapshots":[{"event_id":"sha256:b074863a722f85bd6a914426c06c1647d6215d04c2571c3da998cf7fbedb408d","target":"graph","created_at":"2026-07-04T23:59:12Z","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/1908.08393/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The birth of gravitational-wave / electromagnetic astronomy was heralded by the joint observation of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo, GW170817, and of gamma-rays from the short gamma-ray burst GRB170817A by the Fermi Gamma-ray Burst Monitor (GBM) and INTEGRAL. This detection provided the first direct evidence that at least a fraction of BNSs are progenitors of short GRBs. GRBs are now also known to emit very-high-energy (VHE, > 100 GeV) photons as has been shown by recent independent detections of the GRBs 1901114C and 18072","authors_text":"Alessandro Carosi, Andrea Bulgarelli, Antonio Stamerra, Barbara Patricelli, Brian Humensky, Deivid Ribeiro, Elisabetta Bissaldi, Fabian Sch\\\"ussler, Francesco Longo, Giancarlo Cella, Giancarlo Ghirlanda, Giulia Stratta, Lara Nava, Massimiliano Razzano, Monica Seglar-Arroyo, Susanna Vergani (for the CTA Consortium), Susumu Inoue, Thomas Gasparetto, Tristano Di Girolamo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-22T14:02:35Z","title":"The gravitational-wave follow-up program of the Cherenkov Telescope Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.08393","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:e47a3cc82287f337e9f4ec5b194742295386da13bc722b1f19a0e5d6e771e828","target":"record","created_at":"2026-07-04T23:59:12Z","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":"f613deb7281aff0f3befa6381d6dd42a5299cdea60066a92e9a5b9ca042a7f58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-08-22T14:02:35Z","title_canon_sha256":"abdd6724763c03073b6f3c950441db6cdb07f813371c3503de181b7147b47645"},"schema_version":"1.0","source":{"id":"1908.08393","kind":"arxiv","version":1}},"canonical_sha256":"e847f5f2ef13527b4e537f82205e2a3531d9259a254cf1e67a5e3d50dca91b3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e847f5f2ef13527b4e537f82205e2a3531d9259a254cf1e67a5e3d50dca91b3e","first_computed_at":"2026-07-04T23:59:12.454781Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:59:12.454781Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XmPbA1cHIbi0CJTqseIYjJKXt8Gu7UrgkafBzJs6bvQuyatxe1xgzEGisbewIOnET3bZYJ5OLzozL20VhgipDg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:59:12.455120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.08393","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e47a3cc82287f337e9f4ec5b194742295386da13bc722b1f19a0e5d6e771e828","sha256:b074863a722f85bd6a914426c06c1647d6215d04c2571c3da998cf7fbedb408d"],"state_sha256":"73496109560ed3ad647bfe0eb2a0c64798c40a67ecac151a3258a35057ed4203"}