{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:RIPEBXL6B4WQIZPIULX7K73424","short_pith_number":"pith:RIPEBXL6","canonical_record":{"source":{"id":"2108.06931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-08-16T07:08:57Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d68279fad831594ac52279f792c0ed82d105f8c0e747103b8c2b0b5d27a3f31d","abstract_canon_sha256":"5b64a397d14ba7759dddfec6cda916bbb36f455ab2262579db600f7ae17906a5"},"schema_version":"1.0"},"canonical_sha256":"8a1e40dd7e0f2d0465e8a2eff57f7cd72f3692448383f6bfbe7f4928387fb9eb","source":{"kind":"arxiv","id":"2108.06931","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.06931","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"arxiv_version","alias_value":"2108.06931v2","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.06931","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_12","alias_value":"RIPEBXL6B4WQ","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_16","alias_value":"RIPEBXL6B4WQIZPI","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_8","alias_value":"RIPEBXL6","created_at":"2026-07-05T03:36:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:RIPEBXL6B4WQIZPIULX7K73424","target":"record","payload":{"canonical_record":{"source":{"id":"2108.06931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-08-16T07:08:57Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"d68279fad831594ac52279f792c0ed82d105f8c0e747103b8c2b0b5d27a3f31d","abstract_canon_sha256":"5b64a397d14ba7759dddfec6cda916bbb36f455ab2262579db600f7ae17906a5"},"schema_version":"1.0"},"canonical_sha256":"8a1e40dd7e0f2d0465e8a2eff57f7cd72f3692448383f6bfbe7f4928387fb9eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:36:11.754465Z","signature_b64":"y250OKb63wQ6MQz17Y9iZvL1ig05n8xZXOhycpHhaP/m0N93EkbIsKXrn7VNkn1MpH3IzuWmzribjEcnviFfAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a1e40dd7e0f2d0465e8a2eff57f7cd72f3692448383f6bfbe7f4928387fb9eb","last_reissued_at":"2026-07-05T03:36:11.753983Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:36:11.753983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.06931","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:36:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ho3tqMd2pvm1IpW3yY00Jj0hvFmDLJ+vv3Pg7dVPBmnj8GvzFpklZaOF2R5PbpDv7qPlO5UVnx4tHJXusdMUCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:31:26.919043Z"},"content_sha256":"7f074429983321c9829afc150f2ef753fa1f91f2ee5668f3d708d1f67c6e7f39","schema_version":"1.0","event_id":"sha256:7f074429983321c9829afc150f2ef753fa1f91f2ee5668f3d708d1f67c6e7f39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:RIPEBXL6B4WQIZPIULX7K73424","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constrains on optical emission of FAST-detected FRB 20181130B with GWAC synchronized observations","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"C. H. Niu, C. Wu, E. W. Liang, G. W. Li, H. B. Cai, H. L. Li, J. S. Deng, J. Wang, J. Y. Wei, L. Huang, L. P. Xin, Q. C. Feng, S. S. Sun, X. G. Wang, X. H. Han, X. M. Lu, X. Y. Wang, Y. G. Yang, Y. L. Qiu, Z. G. Dai","submitted_at":"2021-08-16T07:08:57Z","abstract_excerpt":"Multi-wavelength simultaneous observations are essential to the constraints on the origin of fast radio bursts (FRBs). However, it is a significant observational challenge due to the nature of FRBs as transients with a radio millisecond duration, which occur randomly in the sky regardless of time and position. Here, we report the search for short-time fast optical bursts in the GWAC archived data associated with FRB 20181130B, which were detected by the Five Hundred Meter Spherical Radio Telescope (FAST) and recently reported. No new credible sources were detected in all single GWAC images wit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.06931","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2108.06931/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:36:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ANNQcK3uxeTuYJ9FLMURRSP1VHlRE4kRmdIZb3srx8XkLCVKAvQh7ZgO2K1lZDh4yN3PDtsid1yCXZMiRCnzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T13:31:26.919433Z"},"content_sha256":"f2c233a378d46b2ef8233d77b89c2efb9fe360397634bb7079770133db5b8855","schema_version":"1.0","event_id":"sha256:f2c233a378d46b2ef8233d77b89c2efb9fe360397634bb7079770133db5b8855"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RIPEBXL6B4WQIZPIULX7K73424/bundle.json","state_url":"https://pith.science/pith/RIPEBXL6B4WQIZPIULX7K73424/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RIPEBXL6B4WQIZPIULX7K73424/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-05T13:31:26Z","links":{"resolver":"https://pith.science/pith/RIPEBXL6B4WQIZPIULX7K73424","bundle":"https://pith.science/pith/RIPEBXL6B4WQIZPIULX7K73424/bundle.json","state":"https://pith.science/pith/RIPEBXL6B4WQIZPIULX7K73424/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RIPEBXL6B4WQIZPIULX7K73424/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RIPEBXL6B4WQIZPIULX7K73424","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":"5b64a397d14ba7759dddfec6cda916bbb36f455ab2262579db600f7ae17906a5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-08-16T07:08:57Z","title_canon_sha256":"d68279fad831594ac52279f792c0ed82d105f8c0e747103b8c2b0b5d27a3f31d"},"schema_version":"1.0","source":{"id":"2108.06931","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.06931","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"arxiv_version","alias_value":"2108.06931v2","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.06931","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_12","alias_value":"RIPEBXL6B4WQ","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_16","alias_value":"RIPEBXL6B4WQIZPI","created_at":"2026-07-05T03:36:11Z"},{"alias_kind":"pith_short_8","alias_value":"RIPEBXL6","created_at":"2026-07-05T03:36:11Z"}],"graph_snapshots":[{"event_id":"sha256:f2c233a378d46b2ef8233d77b89c2efb9fe360397634bb7079770133db5b8855","target":"graph","created_at":"2026-07-05T03:36:11Z","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/2108.06931/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-wavelength simultaneous observations are essential to the constraints on the origin of fast radio bursts (FRBs). However, it is a significant observational challenge due to the nature of FRBs as transients with a radio millisecond duration, which occur randomly in the sky regardless of time and position. Here, we report the search for short-time fast optical bursts in the GWAC archived data associated with FRB 20181130B, which were detected by the Five Hundred Meter Spherical Radio Telescope (FAST) and recently reported. No new credible sources were detected in all single GWAC images wit","authors_text":"C. H. Niu, C. Wu, E. W. Liang, G. W. Li, H. B. Cai, H. L. Li, J. S. Deng, J. Wang, J. Y. Wei, L. Huang, L. P. Xin, Q. C. Feng, S. S. Sun, X. G. Wang, X. H. Han, X. M. Lu, X. Y. Wang, Y. G. Yang, Y. L. Qiu, Z. G. Dai","cross_cats":["astro-ph.CO"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-08-16T07:08:57Z","title":"Constrains on optical emission of FAST-detected FRB 20181130B with GWAC synchronized observations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.06931","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":"sha256:7f074429983321c9829afc150f2ef753fa1f91f2ee5668f3d708d1f67c6e7f39","target":"record","created_at":"2026-07-05T03:36:11Z","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":"5b64a397d14ba7759dddfec6cda916bbb36f455ab2262579db600f7ae17906a5","cross_cats_sorted":["astro-ph.CO"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-08-16T07:08:57Z","title_canon_sha256":"d68279fad831594ac52279f792c0ed82d105f8c0e747103b8c2b0b5d27a3f31d"},"schema_version":"1.0","source":{"id":"2108.06931","kind":"arxiv","version":2}},"canonical_sha256":"8a1e40dd7e0f2d0465e8a2eff57f7cd72f3692448383f6bfbe7f4928387fb9eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a1e40dd7e0f2d0465e8a2eff57f7cd72f3692448383f6bfbe7f4928387fb9eb","first_computed_at":"2026-07-05T03:36:11.753983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:36:11.753983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y250OKb63wQ6MQz17Y9iZvL1ig05n8xZXOhycpHhaP/m0N93EkbIsKXrn7VNkn1MpH3IzuWmzribjEcnviFfAg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:36:11.754465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.06931","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f074429983321c9829afc150f2ef753fa1f91f2ee5668f3d708d1f67c6e7f39","sha256:f2c233a378d46b2ef8233d77b89c2efb9fe360397634bb7079770133db5b8855"],"state_sha256":"5725139732cc27a2a4d8cbbfd56fd8ce23f1d6636c5e88c112d4f415e40e58d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q3WWE4j8NqOQFPljtdAR4HW3NrWttIWiuCBbKGZxXz2gltlWO3ch9TTii30Jk8kR3A5DX9gCtdntSPY4IZvvBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T13:31:26.921770Z","bundle_sha256":"617a99138217973fb62bc06fee616fce7c43843c6d9e5999f5b91f77c27ab2fa"}}