{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WVV4IK3IBZMLGFVHKGVAEVHPDQ","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":"8fb25adcffcf99a7d7404de86b4163f533e6496a490a3b9116c75da8538ad139","cross_cats_sorted":["astro-ph.SR","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-20T10:16:51Z","title_canon_sha256":"01bf32ca43961224a4752e4efccb7d63aa1ce1a897259a4a78b9f9fe0cb8ca56"},"schema_version":"1.0","source":{"id":"2110.10469","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.10469","created_at":"2026-07-05T05:37:24Z"},{"alias_kind":"arxiv_version","alias_value":"2110.10469v3","created_at":"2026-07-05T05:37:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.10469","created_at":"2026-07-05T05:37:24Z"},{"alias_kind":"pith_short_12","alias_value":"WVV4IK3IBZML","created_at":"2026-07-05T05:37:24Z"},{"alias_kind":"pith_short_16","alias_value":"WVV4IK3IBZMLGFVH","created_at":"2026-07-05T05:37:24Z"},{"alias_kind":"pith_short_8","alias_value":"WVV4IK3I","created_at":"2026-07-05T05:37:24Z"}],"graph_snapshots":[{"event_id":"sha256:539fd21bc788a882f1a4a1baebb06a801c162ce93bb1b98c497164dc394af5a9","target":"graph","created_at":"2026-07-05T05:37:24Z","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/2110.10469/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the second work of this series, we explore the optimal search strategy for serendipitous and gravitational-wave-triggered target-of-opportunity (ToO) observations of kilonovae and optical short-duration gamma-ray burst (sGRB) afterglows from binary neutron star (BNS) mergers, assuming that cosmological kilonovae are AT2017gfo-like (but with viewing-angle dependence) and that the properties of afterglows are consistent with those of cosmological sGRB afterglows. A one-day cadence serendipitous search strategy with an exposure time of $\\sim30\\,$s can always achieve an optimal search strategy ","authors_text":"Bing Zhang, Chang Liu, Hao-Ran Song, He Gao, Jin-Ping Zhu, Lijing Shao, Shichao Wu, Yacheng Kang, Yuan-Pei Yang, Yun-Wei Yu, Zhoujian Cao","cross_cats":["astro-ph.SR","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-20T10:16:51Z","title":"Kilonova and Optical Afterglow from Binary Neutron Star Mergers. II. Optimal Search Strategy for Serendipitous Observations and Target-of-opportunity Observations of Gravitational-wave Triggers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.10469","kind":"arxiv","version":3},"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":"sha256:48f64b5ecc729a7846ca21b4d79d65229bbf80c17fc7ca34d5ce32978920d2c5","target":"record","created_at":"2026-07-05T05:37:24Z","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":"8fb25adcffcf99a7d7404de86b4163f533e6496a490a3b9116c75da8538ad139","cross_cats_sorted":["astro-ph.SR","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-20T10:16:51Z","title_canon_sha256":"01bf32ca43961224a4752e4efccb7d63aa1ce1a897259a4a78b9f9fe0cb8ca56"},"schema_version":"1.0","source":{"id":"2110.10469","kind":"arxiv","version":3}},"canonical_sha256":"b56bc42b680e58b316a751aa0254ef1c07bed61cff5cccf1c17253d9ad372b2a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b56bc42b680e58b316a751aa0254ef1c07bed61cff5cccf1c17253d9ad372b2a","first_computed_at":"2026-07-05T05:37:24.433344Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:37:24.433344Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5sNU/HLNJimVLI+JPRmgcoiInFmwXQQerl9l1Bs7++fGy5Wr326hAj2sMuwG9dZFrSs4DfqaNAtVfAySd7/NCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:37:24.433857Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.10469","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:48f64b5ecc729a7846ca21b4d79d65229bbf80c17fc7ca34d5ce32978920d2c5","sha256:539fd21bc788a882f1a4a1baebb06a801c162ce93bb1b98c497164dc394af5a9"],"state_sha256":"53894fa4407c74f31e06ef73d6906f14187563c3ccc0c600b5f08fd404802a92"}