{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:FZBF5MTHNJD26U4JRKWGFCCS25","short_pith_number":"pith:FZBF5MTH","canonical_record":{"source":{"id":"2107.03082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-07T09:01:53Z","cross_cats_sorted":[],"title_canon_sha256":"bd5d6fd68bd6485c058552174f2523013b353d83a25f12b6ba9e310da7939b43","abstract_canon_sha256":"cc2b37aaeb50b03bc168d552c8d63b49065fe95880ef7268aa701f3a83ce95f9"},"schema_version":"1.0"},"canonical_sha256":"2e425eb2676a47af53898aac628852d77cf10a1e6fb92de351edd6b82429a740","source":{"kind":"arxiv","id":"2107.03082","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.03082","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"2107.03082v1","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.03082","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"FZBF5MTHNJD2","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_16","alias_value":"FZBF5MTHNJD26U4J","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_8","alias_value":"FZBF5MTH","created_at":"2026-07-05T03:17:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:FZBF5MTHNJD26U4JRKWGFCCS25","target":"record","payload":{"canonical_record":{"source":{"id":"2107.03082","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-07T09:01:53Z","cross_cats_sorted":[],"title_canon_sha256":"bd5d6fd68bd6485c058552174f2523013b353d83a25f12b6ba9e310da7939b43","abstract_canon_sha256":"cc2b37aaeb50b03bc168d552c8d63b49065fe95880ef7268aa701f3a83ce95f9"},"schema_version":"1.0"},"canonical_sha256":"2e425eb2676a47af53898aac628852d77cf10a1e6fb92de351edd6b82429a740","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:17:15.550531Z","signature_b64":"V4qWjVb8fnFxlYP6sFV93joL6cfZC76fKg7Wv2/TEn+Gle+NB8eo6lfB5sIB77WSsp29xUKxft+mjfaLqVDhDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e425eb2676a47af53898aac628852d77cf10a1e6fb92de351edd6b82429a740","last_reissued_at":"2026-07-05T03:17:15.549980Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:17:15.549980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.03082","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":"2026-07-05T03:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lxaDUo5VKpr1kpqytNtTqEQ4prG55btfsHgXDXOncNJxu1ouOJ96IdTDvqg2mamJulObG3l2eO9ZP602+nizAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T02:57:06.517121Z"},"content_sha256":"427a354b771981a9c444c0b7d800144052751986d62c47a3e7ad40f9ce2bfd77","schema_version":"1.0","event_id":"sha256:427a354b771981a9c444c0b7d800144052751986d62c47a3e7ad40f9ce2bfd77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:FZBF5MTHNJD26U4JRKWGFCCS25","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Artificial intelligence for celestial object census: the latest technology meets the oldest science","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Ailing Wang, Baoqiang Lao, Shaoguang Guo, Tao An, Weijia Lv, Xiaocong Wu, Yingkang Zhang, Zhijun Xu","submitted_at":"2021-07-07T09:01:53Z","abstract_excerpt":"Large surveys using modern telescopes are producing images that are increasing exponentially in size and quality. Identifying objects in the generated images by visual recognition is time-consuming and labor-intensive, while classifying the extracted radio sources is even more challenging. To address these challenges, we develop a deep learning-based radio source detector, named \\textsc{HeTu}, which is capable of rapidly identifying and classifying radio sources in an automated manner for both compact and extended radio sources. \\textsc{HeTu} is based on a combination of a residual network (Re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.03082","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/2107.03082/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":"2026-07-05T03:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qHqVy1NxNi2S1x9qXWmShVHVnSh5htgR78bs9mcakpb66Oeo596gL/LwSnk+aOkEjf7xVul5sn3XRet/sQSCCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T02:57:06.517501Z"},"content_sha256":"0f9db96e526126eddb69e286ce49386c30ac0dc17fd16c18af79a1450d9ba970","schema_version":"1.0","event_id":"sha256:0f9db96e526126eddb69e286ce49386c30ac0dc17fd16c18af79a1450d9ba970"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FZBF5MTHNJD26U4JRKWGFCCS25/bundle.json","state_url":"https://pith.science/pith/FZBF5MTHNJD26U4JRKWGFCCS25/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FZBF5MTHNJD26U4JRKWGFCCS25/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":"2026-07-22T02:57:06Z","links":{"resolver":"https://pith.science/pith/FZBF5MTHNJD26U4JRKWGFCCS25","bundle":"https://pith.science/pith/FZBF5MTHNJD26U4JRKWGFCCS25/bundle.json","state":"https://pith.science/pith/FZBF5MTHNJD26U4JRKWGFCCS25/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FZBF5MTHNJD26U4JRKWGFCCS25/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:FZBF5MTHNJD26U4JRKWGFCCS25","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":"cc2b37aaeb50b03bc168d552c8d63b49065fe95880ef7268aa701f3a83ce95f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-07T09:01:53Z","title_canon_sha256":"bd5d6fd68bd6485c058552174f2523013b353d83a25f12b6ba9e310da7939b43"},"schema_version":"1.0","source":{"id":"2107.03082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.03082","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"2107.03082v1","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.03082","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"FZBF5MTHNJD2","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_16","alias_value":"FZBF5MTHNJD26U4J","created_at":"2026-07-05T03:17:15Z"},{"alias_kind":"pith_short_8","alias_value":"FZBF5MTH","created_at":"2026-07-05T03:17:15Z"}],"graph_snapshots":[{"event_id":"sha256:0f9db96e526126eddb69e286ce49386c30ac0dc17fd16c18af79a1450d9ba970","target":"graph","created_at":"2026-07-05T03:17:15Z","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/2107.03082/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large surveys using modern telescopes are producing images that are increasing exponentially in size and quality. Identifying objects in the generated images by visual recognition is time-consuming and labor-intensive, while classifying the extracted radio sources is even more challenging. To address these challenges, we develop a deep learning-based radio source detector, named \\textsc{HeTu}, which is capable of rapidly identifying and classifying radio sources in an automated manner for both compact and extended radio sources. \\textsc{HeTu} is based on a combination of a residual network (Re","authors_text":"Ailing Wang, Baoqiang Lao, Shaoguang Guo, Tao An, Weijia Lv, Xiaocong Wu, Yingkang Zhang, Zhijun Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-07T09:01:53Z","title":"Artificial intelligence for celestial object census: the latest technology meets the oldest science"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.03082","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":"sha256:427a354b771981a9c444c0b7d800144052751986d62c47a3e7ad40f9ce2bfd77","target":"record","created_at":"2026-07-05T03:17:15Z","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":"cc2b37aaeb50b03bc168d552c8d63b49065fe95880ef7268aa701f3a83ce95f9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-07T09:01:53Z","title_canon_sha256":"bd5d6fd68bd6485c058552174f2523013b353d83a25f12b6ba9e310da7939b43"},"schema_version":"1.0","source":{"id":"2107.03082","kind":"arxiv","version":1}},"canonical_sha256":"2e425eb2676a47af53898aac628852d77cf10a1e6fb92de351edd6b82429a740","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e425eb2676a47af53898aac628852d77cf10a1e6fb92de351edd6b82429a740","first_computed_at":"2026-07-05T03:17:15.549980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:17:15.549980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V4qWjVb8fnFxlYP6sFV93joL6cfZC76fKg7Wv2/TEn+Gle+NB8eo6lfB5sIB77WSsp29xUKxft+mjfaLqVDhDg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:17:15.550531Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.03082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:427a354b771981a9c444c0b7d800144052751986d62c47a3e7ad40f9ce2bfd77","sha256:0f9db96e526126eddb69e286ce49386c30ac0dc17fd16c18af79a1450d9ba970"],"state_sha256":"9c9c224d77a6ee39f9667116d004fbff80463107fa6d228cdc791be1b348b535"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WWFm02YJilYrumivq4Yo/7SusRv48+zhpao54RaD6fuy4/5CKyPRc+AoLlSBA5eSarYMBvLEdOoJ3aGse85LCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T02:57:06.519567Z","bundle_sha256":"c2cc59e7202057bb6e0a3a9cf3f25b2bdab45cfed0f424dc4841febfa725552d"}}