{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2QYXYLHR2TMVIXZZJQVEFOLLN3","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":"68739d3b3a7605bd4ac5d192686805a521bef82bde7b0cd1069c18926be6e0d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T10:59:53Z","title_canon_sha256":"188a9b67ad6af064d96dad91a5adc3e47fced6a19200a31c08d261b6a91e6c6c"},"schema_version":"1.0","source":{"id":"1201.4947","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4947","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4947v2","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4947","created_at":"2026-05-18T01:58:42Z"},{"alias_kind":"pith_short_12","alias_value":"2QYXYLHR2TMV","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2QYXYLHR2TMVIXZZ","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2QYXYLHR","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:0bbb41daa5dae74a656c7e19eaf8e12d3df8a87446a7659df930ffa7f17ac509","target":"graph","created_at":"2026-05-18T01:58:42Z","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":"We present the results of the 16-cm-waveband continuum observations of four host galaxies of gamma-ray bursts (GRBs) 990705, 021211, 041006, and 051022 using the Australia Telescope Compact Array. Radio emission was not detected in any of the host galaxies. The 2sigma upper limits on star-formation rates derived from the radio observations of the host galaxies are 23, 45, 27, and 26 Msun/yr, respectively, which are less than about 10 times those derived from UV/optical observations, suggesting that they have no significant dust-obscured star formation. GRBs 021211 and 051022 are known as the s","authors_text":"Bunyo Hatsukade, Kotaro Kohno, Kouichiro Nakanishi, Kouji Ohta, Tetsuya Hashimoto, Yoichi Tamura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T10:59:53Z","title":"Constraints on Obscured Star Formation in Host Galaxies of Gamma-ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4947","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":"sha256:4866d970b6588d973dcf63bda53fdfb13d822679c5bc14f0b817e4ec0fa7c752","target":"record","created_at":"2026-05-18T01:58:42Z","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":"68739d3b3a7605bd4ac5d192686805a521bef82bde7b0cd1069c18926be6e0d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-01-24T10:59:53Z","title_canon_sha256":"188a9b67ad6af064d96dad91a5adc3e47fced6a19200a31c08d261b6a91e6c6c"},"schema_version":"1.0","source":{"id":"1201.4947","kind":"arxiv","version":2}},"canonical_sha256":"d4317c2cf1d4d9545f394c2a42b96b6ef46b420a1c8ed53d178e7e3c9aa51e46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4317c2cf1d4d9545f394c2a42b96b6ef46b420a1c8ed53d178e7e3c9aa51e46","first_computed_at":"2026-05-18T01:58:42.919693Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:42.919693Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aSfSyKgICmqVjFc1Py8D6ezgy10uUw4Q0dx2y8iGVy0YlhAk0S2R/QCxBTA5DiTvsvfrbnjqZnUFnWYifWCnCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:42.920345Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4947","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4866d970b6588d973dcf63bda53fdfb13d822679c5bc14f0b817e4ec0fa7c752","sha256:0bbb41daa5dae74a656c7e19eaf8e12d3df8a87446a7659df930ffa7f17ac509"],"state_sha256":"ad3a0812af89f1724f0c6f74078eef0db2d06703baabcaee2b4d2aca76b6117b"}