{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:KCLSCVK3MZHPCPKRTLNERY6M2G","short_pith_number":"pith:KCLSCVK3","canonical_record":{"source":{"id":"2205.12362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-24T20:47:04Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"edfb288f94603000b430927a220399cd19aceeed4871cf3acaa89ebb318e5f20","abstract_canon_sha256":"32a3df48b2400fe7f793c26c9f661ab654a62677de63d7fbffa33359329055a4"},"schema_version":"1.0"},"canonical_sha256":"509721555b664ef13d519ada48e3ccd1a731c7e04c9519606c31229217b39338","source":{"kind":"arxiv","id":"2205.12362","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12362","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12362v2","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12362","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_12","alias_value":"KCLSCVK3MZHP","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_16","alias_value":"KCLSCVK3MZHPCPKR","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_8","alias_value":"KCLSCVK3","created_at":"2026-07-05T06:00:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:KCLSCVK3MZHPCPKRTLNERY6M2G","target":"record","payload":{"canonical_record":{"source":{"id":"2205.12362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-24T20:47:04Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"edfb288f94603000b430927a220399cd19aceeed4871cf3acaa89ebb318e5f20","abstract_canon_sha256":"32a3df48b2400fe7f793c26c9f661ab654a62677de63d7fbffa33359329055a4"},"schema_version":"1.0"},"canonical_sha256":"509721555b664ef13d519ada48e3ccd1a731c7e04c9519606c31229217b39338","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:00:04.613750Z","signature_b64":"Z8pBDel474TRFnk73+ojcNl/e8GP++HODnJ21IcejL3DIkwAp1CIrq8hKd5OYVho1RQr4OLhB0DZE4vGXV3EDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"509721555b664ef13d519ada48e3ccd1a731c7e04c9519606c31229217b39338","last_reissued_at":"2026-07-05T06:00:04.613256Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:00:04.613256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2205.12362","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":"2026-07-05T06:00:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1OPDy9J3yhYrHa6U03zpDwXXu4tSJOw78gzIDClWM2CNfJYg4Kp7ZXv2kMNFxvxJcZJ/BaX6WsSlBAkLVMWDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T01:39:25.030009Z"},"content_sha256":"f8487989cd762ada85baca310c8effb2b4957022e435cc490531fbeb44a8f8c3","schema_version":"1.0","event_id":"sha256:f8487989cd762ada85baca310c8effb2b4957022e435cc490531fbeb44a8f8c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:KCLSCVK3MZHPCPKRTLNERY6M2G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Apertif Radio Transient System (ARTS): Design, Commissioning, Data Release, and Detection of the first 5 Fast Radio Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"\\'Agnes Mika, Alessio Sclocco, Alexander Kutkin, Alwin W. Zanting, Andr\\'e W. Gunst, Anna Bilous, Arno P. Schoenmakers, Arthur H. W. M. Coolen, Bj\\\"orn Adebahr, Boudewijn Hut, Cees Bassa, Danielle M. Lucero, Daniel van der Schuur, Dany Vohl, David W. Gardenier, Elizabeth A. K. Adams, Emaneula Orr\\'u, Emily Petroff, Eric Kooistra, Ger N. J. van Diepen, G. Marcel Loose, Hanno Holties, Helga D\\'enes, Henk Mulder, In\\'es Pastor-Marazuela, Jacob Ziemke, Jan-Pieter R. de Reijer, Jeanette E. Bast, J. E. Hargreaves, Jisk Attema, Joeri van Leeuwen, Kelley M. Hess, Klaas J. C. Stuurwold, Klim Mikhailov, Leon Oostrum, Liam Connor, Menno J. Norden, Oliver M. Boersma, Raffaella Morganti, Samayra M. Straal, Sander ter Veen, Sieds Damstra, Stefan J. Wijnholds, Thijs van der Hulst, Tom A. Oosterloo, Vanessa A. Moss, Wim A. van Cappellen, W. J. G. de Blok, Yan G. Grange, Yogesh Maan, Yu-Yang Wang, Zsolt Paragi","submitted_at":"2022-05-24T20:47:04Z","abstract_excerpt":"Fast Radio Bursts must be powered by uniquely energetic emission mechanisms. This requirement has eliminated a number of possible source types, but several remain. Identifying the physical nature of Fast Radio Burst (FRB) emitters arguably requires good localisation of more detections, and broadband studies enabled by real-time alerting. We here present the Apertif Radio Transient System (ARTS), a supercomputing radio-telescope instrument that performs real-time FRB detection and localisation on the Westerbork Synthesis Radio Telescope (WSRT) interferometer. It reaches coherent-addition sensit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12362","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/2205.12362/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":"2026-07-05T06:00:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LOdQMglvhuCFJ8tIG8nTLq2w1AQ1H5c7c3VImOCt4fyafdm+7lwB33PzEBR++laYLQQP/hsJkJJ9XHabVDKCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T01:39:25.030403Z"},"content_sha256":"3b9c058bffe95d6c44dc3b0e1b12b7dc1be74e751a6e602b1aac729a437e9a9c","schema_version":"1.0","event_id":"sha256:3b9c058bffe95d6c44dc3b0e1b12b7dc1be74e751a6e602b1aac729a437e9a9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/bundle.json","state_url":"https://pith.science/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/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":"2026-07-12T01:39:25Z","links":{"resolver":"https://pith.science/pith/KCLSCVK3MZHPCPKRTLNERY6M2G","bundle":"https://pith.science/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/bundle.json","state":"https://pith.science/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCLSCVK3MZHPCPKRTLNERY6M2G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:KCLSCVK3MZHPCPKRTLNERY6M2G","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":"32a3df48b2400fe7f793c26c9f661ab654a62677de63d7fbffa33359329055a4","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-24T20:47:04Z","title_canon_sha256":"edfb288f94603000b430927a220399cd19aceeed4871cf3acaa89ebb318e5f20"},"schema_version":"1.0","source":{"id":"2205.12362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.12362","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"arxiv_version","alias_value":"2205.12362v2","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.12362","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_12","alias_value":"KCLSCVK3MZHP","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_16","alias_value":"KCLSCVK3MZHPCPKR","created_at":"2026-07-05T06:00:04Z"},{"alias_kind":"pith_short_8","alias_value":"KCLSCVK3","created_at":"2026-07-05T06:00:04Z"}],"graph_snapshots":[{"event_id":"sha256:3b9c058bffe95d6c44dc3b0e1b12b7dc1be74e751a6e602b1aac729a437e9a9c","target":"graph","created_at":"2026-07-05T06:00:04Z","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/2205.12362/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast Radio Bursts must be powered by uniquely energetic emission mechanisms. This requirement has eliminated a number of possible source types, but several remain. Identifying the physical nature of Fast Radio Burst (FRB) emitters arguably requires good localisation of more detections, and broadband studies enabled by real-time alerting. We here present the Apertif Radio Transient System (ARTS), a supercomputing radio-telescope instrument that performs real-time FRB detection and localisation on the Westerbork Synthesis Radio Telescope (WSRT) interferometer. It reaches coherent-addition sensit","authors_text":"\\'Agnes Mika, Alessio Sclocco, Alexander Kutkin, Alwin W. Zanting, Andr\\'e W. Gunst, Anna Bilous, Arno P. Schoenmakers, Arthur H. W. M. Coolen, Bj\\\"orn Adebahr, Boudewijn Hut, Cees Bassa, Danielle M. Lucero, Daniel van der Schuur, Dany Vohl, David W. Gardenier, Elizabeth A. K. Adams, Emaneula Orr\\'u, Emily Petroff, Eric Kooistra, Ger N. J. van Diepen, G. Marcel Loose, Hanno Holties, Helga D\\'enes, Henk Mulder, In\\'es Pastor-Marazuela, Jacob Ziemke, Jan-Pieter R. de Reijer, Jeanette E. Bast, J. E. Hargreaves, Jisk Attema, Joeri van Leeuwen, Kelley M. Hess, Klaas J. C. Stuurwold, Klim Mikhailov, Leon Oostrum, Liam Connor, Menno J. Norden, Oliver M. Boersma, Raffaella Morganti, Samayra M. Straal, Sander ter Veen, Sieds Damstra, Stefan J. Wijnholds, Thijs van der Hulst, Tom A. Oosterloo, Vanessa A. Moss, Wim A. van Cappellen, W. J. G. de Blok, Yan G. Grange, Yogesh Maan, Yu-Yang Wang, Zsolt Paragi","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-24T20:47:04Z","title":"The Apertif Radio Transient System (ARTS): Design, Commissioning, Data Release, and Detection of the first 5 Fast Radio Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.12362","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:f8487989cd762ada85baca310c8effb2b4957022e435cc490531fbeb44a8f8c3","target":"record","created_at":"2026-07-05T06:00:04Z","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":"32a3df48b2400fe7f793c26c9f661ab654a62677de63d7fbffa33359329055a4","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2022-05-24T20:47:04Z","title_canon_sha256":"edfb288f94603000b430927a220399cd19aceeed4871cf3acaa89ebb318e5f20"},"schema_version":"1.0","source":{"id":"2205.12362","kind":"arxiv","version":2}},"canonical_sha256":"509721555b664ef13d519ada48e3ccd1a731c7e04c9519606c31229217b39338","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"509721555b664ef13d519ada48e3ccd1a731c7e04c9519606c31229217b39338","first_computed_at":"2026-07-05T06:00:04.613256Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:00:04.613256Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z8pBDel474TRFnk73+ojcNl/e8GP++HODnJ21IcejL3DIkwAp1CIrq8hKd5OYVho1RQr4OLhB0DZE4vGXV3EDA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:00:04.613750Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.12362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f8487989cd762ada85baca310c8effb2b4957022e435cc490531fbeb44a8f8c3","sha256:3b9c058bffe95d6c44dc3b0e1b12b7dc1be74e751a6e602b1aac729a437e9a9c"],"state_sha256":"f64d10f4fee319ec8ea1cecc6c618654b02fc431ddf63ae195ca3326a89eef71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dLRFP3Sg5W743zAEKCAPdVMMNZ5+44FyCCuphXDv/nJdNLrROT3rFeHyb5dhvGz6Jsy4TwQL33/8/s2MnCwSCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T01:39:25.032666Z","bundle_sha256":"cf9619844305c53ea04ace9f86d5e51032b940dcf230d78551051c6db95e1cfa"}}