{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CVHB7D3AF3EYJVYUH735NVLOK2","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":"d2bedcb1e108a78dd8f345899f0990f84a60a642e8b1371b6ae7eed0956108c2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-11-08T09:16:07Z","title_canon_sha256":"c9693ebaa540dc781a33665072ca31a46f1c3e4a90ea81d687f9aa60afaad57b"},"schema_version":"1.0","source":{"id":"1611.02438","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.02438","created_at":"2026-05-18T00:53:06Z"},{"alias_kind":"arxiv_version","alias_value":"1611.02438v2","created_at":"2026-05-18T00:53:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.02438","created_at":"2026-05-18T00:53:06Z"},{"alias_kind":"pith_short_12","alias_value":"CVHB7D3AF3EY","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CVHB7D3AF3EYJVYU","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CVHB7D3A","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:971ade7fe713fa5e5da6cfaf88039754fb73ef7f52d186f58334c40ed430615d","target":"graph","created_at":"2026-05-18T00:53:06Z","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":"Localization estimates for GW150914, the first binary black hole detected by the LIGO instruments, were shared with partner facilities for electromagnetic follow-up. While the source was a compact binary coalescence (CBC), it was first identified by algorithms that search for unmodeled signals, which produced the skymaps that directed electromagnetic observations. Later on, CBC specific algorithms produced refined versions, which showed significant differences. In this paper we show that those differences were not accidental and that CBC and unmodeled skymaps for binary black holes will freque","authors_text":"Erik Katsavounidis, Gabriele Vedovato, Reed Essick, Salvatore Vitale, Sergey Klimenko","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-11-08T09:16:07Z","title":"On similarity of binary black hole gravitational-wave skymaps: to observe or to wait?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.02438","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":"sha256:6dcb600b263690293c86a2a5b528f0bc0acdb71ba859029ff6437dd636b9f839","target":"record","created_at":"2026-05-18T00:53:06Z","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":"d2bedcb1e108a78dd8f345899f0990f84a60a642e8b1371b6ae7eed0956108c2","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-11-08T09:16:07Z","title_canon_sha256":"c9693ebaa540dc781a33665072ca31a46f1c3e4a90ea81d687f9aa60afaad57b"},"schema_version":"1.0","source":{"id":"1611.02438","kind":"arxiv","version":2}},"canonical_sha256":"154e1f8f602ec984d7143ff7d6d56e568602440fad55cfb80a01fd9a70f82719","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"154e1f8f602ec984d7143ff7d6d56e568602440fad55cfb80a01fd9a70f82719","first_computed_at":"2026-05-18T00:53:06.907509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:06.907509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FSxlfSaXhPj1KXF7tKKdoreWj66z/gbJ91/vouqWnyE6XsOKuhgrXwByh3FnP6CqZFEhFZmS8jgqtoNWqyyrAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:06.907861Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.02438","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dcb600b263690293c86a2a5b528f0bc0acdb71ba859029ff6437dd636b9f839","sha256:971ade7fe713fa5e5da6cfaf88039754fb73ef7f52d186f58334c40ed430615d"],"state_sha256":"a88af32cfbd1da477b6a50de14434d0f1caf53c757b25e6d04909cbbef7787da"}