{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:GVBIM6XUOD47ZQWZSPQAHWZP5J","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":"718a6f2bd3c2de6a738ec9bc5b28a8b5fced84dda9461b5add11c93196b4c843","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-04T17:03:08Z","title_canon_sha256":"d50715baa5bd9a62842c218bc046adb570deb60a6faea1ca656ae0540e322251"},"schema_version":"1.0","source":{"id":"2205.02186","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.02186","created_at":"2026-07-05T08:45:19Z"},{"alias_kind":"arxiv_version","alias_value":"2205.02186v2","created_at":"2026-07-05T08:45:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.02186","created_at":"2026-07-05T08:45:19Z"},{"alias_kind":"pith_short_12","alias_value":"GVBIM6XUOD47","created_at":"2026-07-05T08:45:19Z"},{"alias_kind":"pith_short_16","alias_value":"GVBIM6XUOD47ZQWZ","created_at":"2026-07-05T08:45:19Z"},{"alias_kind":"pith_short_8","alias_value":"GVBIM6XU","created_at":"2026-07-05T08:45:19Z"}],"graph_snapshots":[{"event_id":"sha256:123682077208b9117c7c0a1844e166270ab63085770e45a862941b68ec4f6c55","target":"graph","created_at":"2026-07-05T08:45:19Z","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/2205.02186/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The milestone discovery of GW 170817-GRB 170817A-AT 2017gfo has shown that gravitational wave (GW) could be produced during the merger of neutron star-neutron star/black hole and that in electromagnetic (EM) wave a gamma-ray burst (GRB) and a kilonova (KN) are generated in sequence after the merger. Observationally, however, EM property before the merger phase is still unclear. Here we report a peculiar precursor in a KN-associated long-duration GRB 211211A, providing evidence of the EM before the merger. This precursor lasts $\\sim$ 0.2 s, and the waiting time between the precursor and the mai","authors_text":"An Li, Ce Cai, Chao Zheng, Cheng-Kui Li, Cong-Zhan Liu, Dong Xu, Fang-Jun Lu, He Gao, Jia-Cong Liu, Jiao-Jiao Yang, Jin-Da Li, Jin-Lu Qu, Jin-Zhong Liu, Liang-Duan Liu, Li-Ming Song, Lin Lin, Ming-Yu Ge, Peng Zhang, Qi-Bin Yi, Qi Luo, Shao-Lin Xiong, Shao-Yu Fu, Sheng-Lun Xie, Shuai-Qing Jiang, Shuang-Nan Zhang, Shuo Xiao, Shu-Xu Yi, Shu Zhang, Tian-Cong Wang, Ti-Pei Li, Wang-Chen Xue, Wen-Xi Peng, Xiao-Bo Li, Xi-Hong Luo, Xi-Lu Wang, Xing Liu, Xu-Fang Li, Yan-Qiu Zhang, Yi Zhao, You-Li Tuo, Yue Wang, Yu-Peng Xu, Zhen Zhang, Zhou-Jian Cao, Zi-Pei Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-04T17:03:08Z","title":"The Peculiar Precursor of a Gamma-Ray Burst from a Binary Merger Involving a Magnetar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.02186","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":"sha256:08c71dd554ed57518d1ae57e297282baed740bbb71fd0885600db73d3beeab32","target":"record","created_at":"2026-07-05T08:45:19Z","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":"718a6f2bd3c2de6a738ec9bc5b28a8b5fced84dda9461b5add11c93196b4c843","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-04T17:03:08Z","title_canon_sha256":"d50715baa5bd9a62842c218bc046adb570deb60a6faea1ca656ae0540e322251"},"schema_version":"1.0","source":{"id":"2205.02186","kind":"arxiv","version":2}},"canonical_sha256":"3542867af470f9fcc2d993e003db2fea4b0dffe3aee57b72901be086f6a535cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3542867af470f9fcc2d993e003db2fea4b0dffe3aee57b72901be086f6a535cb","first_computed_at":"2026-07-05T08:45:19.603236Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:45:19.603236Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6+Qk2CIf0ojcMihmgM5mGdpJ5FTmBrvgQNlCjJM9ElpV2AEW2XagFN8yIIChIOR1jgQlnxC7TN08GzHeI24oAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:45:19.603746Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.02186","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08c71dd554ed57518d1ae57e297282baed740bbb71fd0885600db73d3beeab32","sha256:123682077208b9117c7c0a1844e166270ab63085770e45a862941b68ec4f6c55"],"state_sha256":"e701f39afe8107f087102ae25177bccf7984b6a97a673ca3b14c7732fe0fdd63"}