{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:62KBIT7E327LVXALFMQHR6PB47","short_pith_number":"pith:62KBIT7E","canonical_record":{"source":{"id":"2103.05209","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-09T04:07:13Z","cross_cats_sorted":[],"title_canon_sha256":"9c6c367a258bbc9fd971cfa7fca6254e810aa49cb0f50cc9db6732c46fda20cb","abstract_canon_sha256":"07fd435fdeb4251315fe13ee3e085e8ca153b3039201ca8e58720786014ae2e0"},"schema_version":"1.0"},"canonical_sha256":"f694144fe4debebadc0b2b2078f9e1e7d7e188cd4c428a0b900dcff1aec17377","source":{"kind":"arxiv","id":"2103.05209","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.05209","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"arxiv_version","alias_value":"2103.05209v1","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.05209","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_12","alias_value":"62KBIT7E327L","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_16","alias_value":"62KBIT7E327LVXAL","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_8","alias_value":"62KBIT7E","created_at":"2026-07-05T02:25:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:62KBIT7E327LVXALFMQHR6PB47","target":"record","payload":{"canonical_record":{"source":{"id":"2103.05209","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-09T04:07:13Z","cross_cats_sorted":[],"title_canon_sha256":"9c6c367a258bbc9fd971cfa7fca6254e810aa49cb0f50cc9db6732c46fda20cb","abstract_canon_sha256":"07fd435fdeb4251315fe13ee3e085e8ca153b3039201ca8e58720786014ae2e0"},"schema_version":"1.0"},"canonical_sha256":"f694144fe4debebadc0b2b2078f9e1e7d7e188cd4c428a0b900dcff1aec17377","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:25:40.588500Z","signature_b64":"VsXLDBL+ph7WM+CZA4hDThCVQ/tI88UHm7A/BW5zjkYYML5GzoOM+3h2U6/L9Ur6YbpPBLEwArGVU/LKNdMbAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f694144fe4debebadc0b2b2078f9e1e7d7e188cd4c428a0b900dcff1aec17377","last_reissued_at":"2026-07-05T02:25:40.588054Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:25:40.588054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.05209","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:25:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FsU1ftdYCh07vOmy7EsD5CnQOWgTx5sLGnSwEv7YSUJb3DEx91Oe2qvScsbN9fEkwVY6LywZIdHdmh2EGwSKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:43:04.994638Z"},"content_sha256":"cef356032c3ff275ddad953bad940cf0eeec94310f6eb118dc6599bedba52ee9","schema_version":"1.0","event_id":"sha256:cef356032c3ff275ddad953bad940cf0eeec94310f6eb118dc6599bedba52ee9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:62KBIT7E327LVXALFMQHR6PB47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rapid-response radio observations of short GRB 181123B with the Australia Telescope Compact Array","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Bahramian, A. J. van der Horst, A. Rowlinson, G. E. Anderson, J. C. A. Miller-Jones, J.-P. Macquart, J. Stevens, M. D. Aksulu, M. E. Bell, P. J. Hancock, R. A. M .J. Wijers, R. M. Plotkin, S. D. Ryder","submitted_at":"2021-03-09T04:07:13Z","abstract_excerpt":"We introduce the Australia Telescope Compact Array (ATCA) rapid-response mode by presenting the first successful trigger on the short-duration gamma-ray burst (GRB) 181123B. Early-time radio observations of short GRBs may provide vital insights into the radio afterglow properties of Advanced LIGO- and Virgo-detected gravitational wave events, which will in turn inform follow-up strategies to search for counterparts within their large positional uncertainties. The ATCA was on target within 12.6 hr post-burst, when the source had risen above the horizon. While no radio afterglow was detected dur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.05209","kind":"arxiv","version":1},"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/2103.05209/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":"2026-07-05T02:25:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Imbth8/SDRNMvKWSkgeWWGHDedt6s1AvCC/idU54kUlE+6Qks2JaZvoGbljUwK0weFiUaV3PXfBauZq2zxGXBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:43:04.995010Z"},"content_sha256":"8448a0bac327f2daa64257013e6ac37c63e21927bcaf687f78d3d69f186c4963","schema_version":"1.0","event_id":"sha256:8448a0bac327f2daa64257013e6ac37c63e21927bcaf687f78d3d69f186c4963"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/62KBIT7E327LVXALFMQHR6PB47/bundle.json","state_url":"https://pith.science/pith/62KBIT7E327LVXALFMQHR6PB47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/62KBIT7E327LVXALFMQHR6PB47/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":"2026-07-07T15:43:04Z","links":{"resolver":"https://pith.science/pith/62KBIT7E327LVXALFMQHR6PB47","bundle":"https://pith.science/pith/62KBIT7E327LVXALFMQHR6PB47/bundle.json","state":"https://pith.science/pith/62KBIT7E327LVXALFMQHR6PB47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/62KBIT7E327LVXALFMQHR6PB47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:62KBIT7E327LVXALFMQHR6PB47","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":"07fd435fdeb4251315fe13ee3e085e8ca153b3039201ca8e58720786014ae2e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-09T04:07:13Z","title_canon_sha256":"9c6c367a258bbc9fd971cfa7fca6254e810aa49cb0f50cc9db6732c46fda20cb"},"schema_version":"1.0","source":{"id":"2103.05209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.05209","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"arxiv_version","alias_value":"2103.05209v1","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.05209","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_12","alias_value":"62KBIT7E327L","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_16","alias_value":"62KBIT7E327LVXAL","created_at":"2026-07-05T02:25:40Z"},{"alias_kind":"pith_short_8","alias_value":"62KBIT7E","created_at":"2026-07-05T02:25:40Z"}],"graph_snapshots":[{"event_id":"sha256:8448a0bac327f2daa64257013e6ac37c63e21927bcaf687f78d3d69f186c4963","target":"graph","created_at":"2026-07-05T02:25:40Z","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/2103.05209/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce the Australia Telescope Compact Array (ATCA) rapid-response mode by presenting the first successful trigger on the short-duration gamma-ray burst (GRB) 181123B. Early-time radio observations of short GRBs may provide vital insights into the radio afterglow properties of Advanced LIGO- and Virgo-detected gravitational wave events, which will in turn inform follow-up strategies to search for counterparts within their large positional uncertainties. The ATCA was on target within 12.6 hr post-burst, when the source had risen above the horizon. While no radio afterglow was detected dur","authors_text":"A. Bahramian, A. J. van der Horst, A. Rowlinson, G. E. Anderson, J. C. A. Miller-Jones, J.-P. Macquart, J. Stevens, M. D. Aksulu, M. E. Bell, P. J. Hancock, R. A. M .J. Wijers, R. M. Plotkin, S. D. Ryder","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-09T04:07:13Z","title":"Rapid-response radio observations of short GRB 181123B with the Australia Telescope Compact Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.05209","kind":"arxiv","version":1},"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:cef356032c3ff275ddad953bad940cf0eeec94310f6eb118dc6599bedba52ee9","target":"record","created_at":"2026-07-05T02:25:40Z","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":"07fd435fdeb4251315fe13ee3e085e8ca153b3039201ca8e58720786014ae2e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-03-09T04:07:13Z","title_canon_sha256":"9c6c367a258bbc9fd971cfa7fca6254e810aa49cb0f50cc9db6732c46fda20cb"},"schema_version":"1.0","source":{"id":"2103.05209","kind":"arxiv","version":1}},"canonical_sha256":"f694144fe4debebadc0b2b2078f9e1e7d7e188cd4c428a0b900dcff1aec17377","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f694144fe4debebadc0b2b2078f9e1e7d7e188cd4c428a0b900dcff1aec17377","first_computed_at":"2026-07-05T02:25:40.588054Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:25:40.588054Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VsXLDBL+ph7WM+CZA4hDThCVQ/tI88UHm7A/BW5zjkYYML5GzoOM+3h2U6/L9Ur6YbpPBLEwArGVU/LKNdMbAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:25:40.588500Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.05209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cef356032c3ff275ddad953bad940cf0eeec94310f6eb118dc6599bedba52ee9","sha256:8448a0bac327f2daa64257013e6ac37c63e21927bcaf687f78d3d69f186c4963"],"state_sha256":"d6a1933ff4372c52e0c1feb2c37772c1a760a464649037c89bcfbdacb2ca534f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+emWwYTw33i2vxFW/x7PdEZFk8Wfe/tEhaNKyoMZJECdOPwVWSLnFlzrbv1VXOOPb6QUKbeAiV7gzOooO3fBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:43:04.997761Z","bundle_sha256":"5de806ea6bc9b5e8652f828bc7fbf0378c93da1c015f6f142b6118363dcb84da"}}