{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QJGKJYTWCQSOJ6EFW2OXGXXAAS","short_pith_number":"pith:QJGKJYTW","canonical_record":{"source":{"id":"2204.00790","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-02T07:29:10Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2623034dfa9b974f31640ad52f8cdd9004cf70b1346710ffce394379584715fd","abstract_canon_sha256":"1e8125429f6a10a4a6d3ce10d7a80e36ffeb5adb310795f855715160af3434f4"},"schema_version":"1.0"},"canonical_sha256":"824ca4e2761424e4f885b69d735ee004afbdf60dd220adde771c8b76282c8632","source":{"kind":"arxiv","id":"2204.00790","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00790","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00790v2","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00790","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_12","alias_value":"QJGKJYTWCQSO","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_16","alias_value":"QJGKJYTWCQSOJ6EF","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_8","alias_value":"QJGKJYTW","created_at":"2026-07-05T04:12:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QJGKJYTWCQSOJ6EFW2OXGXXAAS","target":"record","payload":{"canonical_record":{"source":{"id":"2204.00790","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-02T07:29:10Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"2623034dfa9b974f31640ad52f8cdd9004cf70b1346710ffce394379584715fd","abstract_canon_sha256":"1e8125429f6a10a4a6d3ce10d7a80e36ffeb5adb310795f855715160af3434f4"},"schema_version":"1.0"},"canonical_sha256":"824ca4e2761424e4f885b69d735ee004afbdf60dd220adde771c8b76282c8632","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:12:18.545462Z","signature_b64":"HgjzMvFPKBLaYygT0eA4YiX4t97OPOisYyZjMT/WlZmkNFLb7HMniCDnX2S4MgkL5Xf+GCZIqMVTugdRQxNPAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"824ca4e2761424e4f885b69d735ee004afbdf60dd220adde771c8b76282c8632","last_reissued_at":"2026-07-05T04:12:18.545025Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:12:18.545025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.00790","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":"2026-07-05T04:12:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oo8H8+m0k7ItP0wl4ifow5eFNMjyCKcKqEfkZs5XFbbkNL4Z7Iv2RulJ6rJFmlQHa7LkRpbfjNV7n1ClDlHxAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:17:25.737944Z"},"content_sha256":"12eb9f0fafdee16d7d2f92c5a67a8de1123b1db4a6a4bd439e911dc26dd073d6","schema_version":"1.0","event_id":"sha256:12eb9f0fafdee16d7d2f92c5a67a8de1123b1db4a6a4bd439e911dc26dd073d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QJGKJYTWCQSOJ6EFW2OXGXXAAS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SAD: A Large-scale Dataset towards Airport Detection in Synthetic Aperture Radar Images","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Daochang Wang, Fan Zhang, Fei Ma, Wei Hu, Yongsheng Zhou, Yu Tang","submitted_at":"2022-04-02T07:29:10Z","abstract_excerpt":"Airports have an important role in both military and civilian domains. The synthetic aperture radar (SAR) based airport detection has received increasing attention in recent years. However, due to the high cost of SAR imaging and annotation process, there is no publicly available SAR dataset for airport detection. As a result, deep learning methods have not been fully used in airport detection tasks. To provide a benchmark for airport detection research in SAR images, this paper introduces a large-scale SAR Airport Dataset (SAD). In order to adequately reflect the demands of real world applica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00790","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/2204.00790/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":"2026-07-05T04:12:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPpdMAt40GcS2HO333La2ioNU1O6Z8bkpLvP9o7dFNvNwbeAIYtP/uflySdsw+zbQVVel1GhHIDTM4jSbeF2Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:17:25.738329Z"},"content_sha256":"8de19f44cca16834a6b1d0df59000048abdfdbd60c6078602ed1dc6bcd691b1a","schema_version":"1.0","event_id":"sha256:8de19f44cca16834a6b1d0df59000048abdfdbd60c6078602ed1dc6bcd691b1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/bundle.json","state_url":"https://pith.science/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/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":"2026-07-07T11:17:25Z","links":{"resolver":"https://pith.science/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS","bundle":"https://pith.science/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/bundle.json","state":"https://pith.science/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJGKJYTWCQSOJ6EFW2OXGXXAAS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QJGKJYTWCQSOJ6EFW2OXGXXAAS","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":"1e8125429f6a10a4a6d3ce10d7a80e36ffeb5adb310795f855715160af3434f4","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-02T07:29:10Z","title_canon_sha256":"2623034dfa9b974f31640ad52f8cdd9004cf70b1346710ffce394379584715fd"},"schema_version":"1.0","source":{"id":"2204.00790","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.00790","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.00790v2","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.00790","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_12","alias_value":"QJGKJYTWCQSO","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_16","alias_value":"QJGKJYTWCQSOJ6EF","created_at":"2026-07-05T04:12:18Z"},{"alias_kind":"pith_short_8","alias_value":"QJGKJYTW","created_at":"2026-07-05T04:12:18Z"}],"graph_snapshots":[{"event_id":"sha256:8de19f44cca16834a6b1d0df59000048abdfdbd60c6078602ed1dc6bcd691b1a","target":"graph","created_at":"2026-07-05T04:12:18Z","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/2204.00790/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Airports have an important role in both military and civilian domains. The synthetic aperture radar (SAR) based airport detection has received increasing attention in recent years. However, due to the high cost of SAR imaging and annotation process, there is no publicly available SAR dataset for airport detection. As a result, deep learning methods have not been fully used in airport detection tasks. To provide a benchmark for airport detection research in SAR images, this paper introduces a large-scale SAR Airport Dataset (SAD). In order to adequately reflect the demands of real world applica","authors_text":"Daochang Wang, Fan Zhang, Fei Ma, Wei Hu, Yongsheng Zhou, Yu Tang","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-02T07:29:10Z","title":"SAD: A Large-scale Dataset towards Airport Detection in Synthetic Aperture Radar Images"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.00790","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":"sha256:12eb9f0fafdee16d7d2f92c5a67a8de1123b1db4a6a4bd439e911dc26dd073d6","target":"record","created_at":"2026-07-05T04:12:18Z","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":"1e8125429f6a10a4a6d3ce10d7a80e36ffeb5adb310795f855715160af3434f4","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2022-04-02T07:29:10Z","title_canon_sha256":"2623034dfa9b974f31640ad52f8cdd9004cf70b1346710ffce394379584715fd"},"schema_version":"1.0","source":{"id":"2204.00790","kind":"arxiv","version":2}},"canonical_sha256":"824ca4e2761424e4f885b69d735ee004afbdf60dd220adde771c8b76282c8632","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"824ca4e2761424e4f885b69d735ee004afbdf60dd220adde771c8b76282c8632","first_computed_at":"2026-07-05T04:12:18.545025Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:12:18.545025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HgjzMvFPKBLaYygT0eA4YiX4t97OPOisYyZjMT/WlZmkNFLb7HMniCDnX2S4MgkL5Xf+GCZIqMVTugdRQxNPAg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:12:18.545462Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.00790","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12eb9f0fafdee16d7d2f92c5a67a8de1123b1db4a6a4bd439e911dc26dd073d6","sha256:8de19f44cca16834a6b1d0df59000048abdfdbd60c6078602ed1dc6bcd691b1a"],"state_sha256":"77d0b2495bed0d84cdc64905275588b632c35d11599f4aea43a3c8a30eea4923"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E9hlrdp3nzOf5CexnDP4+/9758e238KhbuHZ20zT4blsCH2W8CkV2YVlYsfRrZcw/crScmKXH0JzxzsnJKlxDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:17:25.740232Z","bundle_sha256":"ed62156cdae729e9205d8df82268d68c4e515c4cd0cae1edd0a4b6bfd8446c41"}}