{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2OSB5CFJH5HAVXWTDJJ33CRDV5","short_pith_number":"pith:2OSB5CFJ","canonical_record":{"source":{"id":"1912.00969","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-02T18:02:30Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"6351cec6edf9168b28c82e5c42cff68ec2bb4dd3603412ea19031f5405490f88","abstract_canon_sha256":"870006a0e46eef3c2e7bca9fe55e03cd30668ea55f8a3273b1c078ba56c951c0"},"schema_version":"1.0"},"canonical_sha256":"d3a41e88a93f4e0aded31a53bd8a23af474553d25723fa888dbb9a2649e7d0fa","source":{"kind":"arxiv","id":"1912.00969","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.00969","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"1912.00969v2","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.00969","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"2OSB5CFJH5HA","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_16","alias_value":"2OSB5CFJH5HAVXWT","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_8","alias_value":"2OSB5CFJ","created_at":"2026-07-05T02:26:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2OSB5CFJH5HAVXWTDJJ33CRDV5","target":"record","payload":{"canonical_record":{"source":{"id":"1912.00969","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-02T18:02:30Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"6351cec6edf9168b28c82e5c42cff68ec2bb4dd3603412ea19031f5405490f88","abstract_canon_sha256":"870006a0e46eef3c2e7bca9fe55e03cd30668ea55f8a3273b1c078ba56c951c0"},"schema_version":"1.0"},"canonical_sha256":"d3a41e88a93f4e0aded31a53bd8a23af474553d25723fa888dbb9a2649e7d0fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:26:46.468849Z","signature_b64":"vBbNZoD/rsM+DFuCwAykhHXrzgUsmTw6a9rBQxdNOEvb5xP9l3k0WVJjZRtV+xwQFsU43XQkMSiL2jkw7FcjAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3a41e88a93f4e0aded31a53bd8a23af474553d25723fa888dbb9a2649e7d0fa","last_reissued_at":"2026-07-05T02:26:46.468345Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:26:46.468345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.00969","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":"2026-07-05T02:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WzOatiGuZK93aGBntqgIZ0RRQCahCkuakF9YS1q3Vw+TSzJxFQGf+B16aCqScfNhqUcrPPmQVk/kLTAFOS4gAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:27:12.431047Z"},"content_sha256":"a5a31685bee1ab24ada7c1f08439d81a4e73ee03a71e7ec13c9a4e529f9c816a","schema_version":"1.0","event_id":"sha256:a5a31685bee1ab24ada7c1f08439d81a4e73ee03a71e7ec13c9a4e529f9c816a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2OSB5CFJH5HAVXWTDJJ33CRDV5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"IENet: Interacting Embranchment One Stage Anchor Free Detector for Orientation Aerial Object Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Jian Guan, Jonathon Chambers, Pengming Feng, Wenwu Wang, Youtian Lin","submitted_at":"2019-12-02T18:02:30Z","abstract_excerpt":"Object detection in aerial images is a challenging task due to the lack of visible features and variant orientation of objects. Significant progress has been made recently for predicting targets from aerial images with horizontal bounding boxes (HBBs) and oriented bounding boxes (OBBs) using two-stage detectors with region based convolutional neural networks (R-CNN), involving object localization in one stage and object classification in the other. However, the computational complexity in two-stage detectors is often high, especially for orientational object detection, due to anchor matching a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.00969","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/1912.00969/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":"2026-07-05T02:26:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vJnAFXy2jR/3SdwQVxvQDug2eRuG2W/n7bpLc/NBxDTO9H1TMSNBYb2aA/ErBWzLpNsGF4VMjDKFW5n9Pz4NDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:27:12.431556Z"},"content_sha256":"a036726ac3df83c08916849f93d909aac88b29891dfdb0cb989ca8b5b0e02373","schema_version":"1.0","event_id":"sha256:a036726ac3df83c08916849f93d909aac88b29891dfdb0cb989ca8b5b0e02373"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/bundle.json","state_url":"https://pith.science/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/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":"2026-08-03T19:27:12Z","links":{"resolver":"https://pith.science/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5","bundle":"https://pith.science/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/bundle.json","state":"https://pith.science/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2OSB5CFJH5HAVXWTDJJ33CRDV5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2OSB5CFJH5HAVXWTDJJ33CRDV5","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":"870006a0e46eef3c2e7bca9fe55e03cd30668ea55f8a3273b1c078ba56c951c0","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-02T18:02:30Z","title_canon_sha256":"6351cec6edf9168b28c82e5c42cff68ec2bb4dd3603412ea19031f5405490f88"},"schema_version":"1.0","source":{"id":"1912.00969","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.00969","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"arxiv_version","alias_value":"1912.00969v2","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.00969","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_12","alias_value":"2OSB5CFJH5HA","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_16","alias_value":"2OSB5CFJH5HAVXWT","created_at":"2026-07-05T02:26:46Z"},{"alias_kind":"pith_short_8","alias_value":"2OSB5CFJ","created_at":"2026-07-05T02:26:46Z"}],"graph_snapshots":[{"event_id":"sha256:a036726ac3df83c08916849f93d909aac88b29891dfdb0cb989ca8b5b0e02373","target":"graph","created_at":"2026-07-05T02:26:46Z","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/1912.00969/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Object detection in aerial images is a challenging task due to the lack of visible features and variant orientation of objects. Significant progress has been made recently for predicting targets from aerial images with horizontal bounding boxes (HBBs) and oriented bounding boxes (OBBs) using two-stage detectors with region based convolutional neural networks (R-CNN), involving object localization in one stage and object classification in the other. However, the computational complexity in two-stage detectors is often high, especially for orientational object detection, due to anchor matching a","authors_text":"Jian Guan, Jonathon Chambers, Pengming Feng, Wenwu Wang, Youtian Lin","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-02T18:02:30Z","title":"IENet: Interacting Embranchment One Stage Anchor Free Detector for Orientation Aerial Object Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.00969","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:a5a31685bee1ab24ada7c1f08439d81a4e73ee03a71e7ec13c9a4e529f9c816a","target":"record","created_at":"2026-07-05T02:26:46Z","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":"870006a0e46eef3c2e7bca9fe55e03cd30668ea55f8a3273b1c078ba56c951c0","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-12-02T18:02:30Z","title_canon_sha256":"6351cec6edf9168b28c82e5c42cff68ec2bb4dd3603412ea19031f5405490f88"},"schema_version":"1.0","source":{"id":"1912.00969","kind":"arxiv","version":2}},"canonical_sha256":"d3a41e88a93f4e0aded31a53bd8a23af474553d25723fa888dbb9a2649e7d0fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3a41e88a93f4e0aded31a53bd8a23af474553d25723fa888dbb9a2649e7d0fa","first_computed_at":"2026-07-05T02:26:46.468345Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:26:46.468345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vBbNZoD/rsM+DFuCwAykhHXrzgUsmTw6a9rBQxdNOEvb5xP9l3k0WVJjZRtV+xwQFsU43XQkMSiL2jkw7FcjAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:26:46.468849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.00969","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5a31685bee1ab24ada7c1f08439d81a4e73ee03a71e7ec13c9a4e529f9c816a","sha256:a036726ac3df83c08916849f93d909aac88b29891dfdb0cb989ca8b5b0e02373"],"state_sha256":"8eef1dd36cdc22781c1d748e8d10766083df31043f278d5b40c01792e72de279"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HwWld/e3DOJ61SHwXOlUPHfWpWqvvFNwVi7gugvaGDUFOaxB6d0HqbP8NDI8Ajxz2U9oR4rn7T54ZV7SdKHADw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:27:12.436367Z","bundle_sha256":"975a86714e4dfa90a31f73b673fa91685498f36a7d5e645efa782aa548a823f2"}}