{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OZCDBF2VINJYWW5XXKX64CMHFN","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":"294e28f22ba6f6ef7e2a31b0ba3d9d7fa9089762c6ccf0a92e2041baa7fe2f31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-25T18:10:28Z","title_canon_sha256":"6de3f1b7a789843ba9dcdaaf9cc5bf0d5b69fb2f1258dc5409c4d55541cdcf87"},"schema_version":"1.0","source":{"id":"1907.11259","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.11259","created_at":"2026-07-05T00:06:51Z"},{"alias_kind":"arxiv_version","alias_value":"1907.11259v1","created_at":"2026-07-05T00:06:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.11259","created_at":"2026-07-05T00:06:51Z"},{"alias_kind":"pith_short_12","alias_value":"OZCDBF2VINJY","created_at":"2026-07-05T00:06:51Z"},{"alias_kind":"pith_short_16","alias_value":"OZCDBF2VINJYWW5X","created_at":"2026-07-05T00:06:51Z"},{"alias_kind":"pith_short_8","alias_value":"OZCDBF2V","created_at":"2026-07-05T00:06:51Z"}],"graph_snapshots":[{"event_id":"sha256:bfb81869aa53915fa60c340af3e36ffe588dff6c987927c165d1660384a3daff","target":"graph","created_at":"2026-07-05T00:06:51Z","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/1907.11259/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Efficient automated detection of flux-transient, reoccurring flux-variable, and moving objects is increasingly important for large-scale astronomical surveys. We present braai, a convolutional-neural-network, deep-learning real/bogus classifier designed to separate genuine astrophysical events and objects from false positive, or bogus, detections in the data of the Zwicky Transient Facility (ZTF), a new robotic time-domain survey currently in operation at the Palomar Observatory in California, USA. Braai demonstrates a state-of-the-art performance as quantified by its low false negative and fa","authors_text":"Ashish Mahabal, Ben Rusholme, Charlotte Ward, Dmitry A. Duev, Frank J. Masci, Ishani Karmarkar, Mansi M. Kasliwal, Matthew J. Graham, Richard Walters, Sara Frederick, Umaa Rebbapragada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-25T18:10:28Z","title":"Real-bogus classification for the Zwicky Transient Facility using deep learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.11259","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:aa88de3fc2709df3432cf1a455ee1e89d11909e30c922981c818ab00d0b7997e","target":"record","created_at":"2026-07-05T00:06:51Z","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":"294e28f22ba6f6ef7e2a31b0ba3d9d7fa9089762c6ccf0a92e2041baa7fe2f31","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-07-25T18:10:28Z","title_canon_sha256":"6de3f1b7a789843ba9dcdaaf9cc5bf0d5b69fb2f1258dc5409c4d55541cdcf87"},"schema_version":"1.0","source":{"id":"1907.11259","kind":"arxiv","version":1}},"canonical_sha256":"764430975543538b5bb7baafee09872b5404bc5e6cebab060cffdd97f4299d0f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"764430975543538b5bb7baafee09872b5404bc5e6cebab060cffdd97f4299d0f","first_computed_at":"2026-07-05T00:06:51.198495Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:51.198495Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MLvgCGVKP8r69PKPI6+U8ICreKrZmFGmrt3jsPdEGUKdtyiL657s88zg9sXf0PQYw9cJkB+1kC4lJC9ANmO5AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:51.198989Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.11259","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa88de3fc2709df3432cf1a455ee1e89d11909e30c922981c818ab00d0b7997e","sha256:bfb81869aa53915fa60c340af3e36ffe588dff6c987927c165d1660384a3daff"],"state_sha256":"f86ad2b0a1d0f289d75bbb15ae2f00ab6b043c9e434820d8a3844b92c3aff79f"}