{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:DMKZEIZ2TEL3Q3E344T74HLC2X","short_pith_number":"pith:DMKZEIZ2","canonical_record":{"source":{"id":"2005.09973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-20T11:35:50Z","cross_cats_sorted":[],"title_canon_sha256":"ae8d72f7ba942637d584da82e9e9f6c42061de473e9f4eed12c59f58d45c1eeb","abstract_canon_sha256":"59c8ff7541f4ba1df02e68705c6a0e5dea8bbe28c95fa57118a4aae86571e4ed"},"schema_version":"1.0"},"canonical_sha256":"1b1592233a9917b86c9be727fe1d62d5fc224e2faefbda37c6f3102002240f2d","source":{"kind":"arxiv","id":"2005.09973","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.09973","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"2005.09973v2","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.09973","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"DMKZEIZ2TEL3","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_16","alias_value":"DMKZEIZ2TEL3Q3E3","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_8","alias_value":"DMKZEIZ2","created_at":"2026-07-05T01:09:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:DMKZEIZ2TEL3Q3E344T74HLC2X","target":"record","payload":{"canonical_record":{"source":{"id":"2005.09973","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-20T11:35:50Z","cross_cats_sorted":[],"title_canon_sha256":"ae8d72f7ba942637d584da82e9e9f6c42061de473e9f4eed12c59f58d45c1eeb","abstract_canon_sha256":"59c8ff7541f4ba1df02e68705c6a0e5dea8bbe28c95fa57118a4aae86571e4ed"},"schema_version":"1.0"},"canonical_sha256":"1b1592233a9917b86c9be727fe1d62d5fc224e2faefbda37c6f3102002240f2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:09:20.282905Z","signature_b64":"7gM1Ud5IE4sKy9Ra9RR558pSsaLTzi7fwgahEyPKRydT/fI0bFgfqQfILYW++X8Zdl0+jjATx7FHNGoIg9gtDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b1592233a9917b86c9be727fe1d62d5fc224e2faefbda37c6f3102002240f2d","last_reissued_at":"2026-07-05T01:09:20.282523Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:09:20.282523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2005.09973","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":"2026-07-05T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WdL85ymxkAIiUqMTUSWalUWtxZ0dBDPmOiTRpB5MWFppbK7Gtas2TMFZqxi9P6NvCWZY/Tf9BuKJXT41rPb9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:31:15.061816Z"},"content_sha256":"1a5bc37cf493b5d2d8a10447e349e1ecf0f8d2b513f950bd1e505f7d47211619","schema_version":"1.0","event_id":"sha256:1a5bc37cf493b5d2d8a10447e349e1ecf0f8d2b513f950bd1e505f7d47211619"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:DMKZEIZ2TEL3Q3E344T74HLC2X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dynamic Refinement Network for Oriented and Densely Packed Object Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Changsheng Xu, Chongyang Ma, Haolei Yuan, Kekai Sheng, Weiming Dong, Xiaowei Guo, Xingjia Pan, Yuqiang Ren","submitted_at":"2020-05-20T11:35:50Z","abstract_excerpt":"Object detection has achieved remarkable progress in the past decade. However, the detection of oriented and densely packed objects remains challenging because of following inherent reasons: (1) receptive fields of neurons are all axis-aligned and of the same shape, whereas objects are usually of diverse shapes and align along various directions; (2) detection models are typically trained with generic knowledge and may not generalize well to handle specific objects at test time; (3) the limited dataset hinders the development on this task. To resolve the first two issues, we present a dynamic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.09973","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/2005.09973/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":"2026-07-05T01:09:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NPFQC+mfc31Y96zBi/YuQIiS5YKEOx5SZBLY57WnB/NdX2UEUE92/lvhrh2E2KrzZRmwq9R9KF2FhCol2gYmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:31:15.062928Z"},"content_sha256":"8e97488d0d3f8d29c903bd529344ecfa2d361d93bab93871d15a7f578571ee10","schema_version":"1.0","event_id":"sha256:8e97488d0d3f8d29c903bd529344ecfa2d361d93bab93871d15a7f578571ee10"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/bundle.json","state_url":"https://pith.science/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/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":"2026-08-03T17:31:15Z","links":{"resolver":"https://pith.science/pith/DMKZEIZ2TEL3Q3E344T74HLC2X","bundle":"https://pith.science/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/bundle.json","state":"https://pith.science/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DMKZEIZ2TEL3Q3E344T74HLC2X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:DMKZEIZ2TEL3Q3E344T74HLC2X","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":"59c8ff7541f4ba1df02e68705c6a0e5dea8bbe28c95fa57118a4aae86571e4ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-20T11:35:50Z","title_canon_sha256":"ae8d72f7ba942637d584da82e9e9f6c42061de473e9f4eed12c59f58d45c1eeb"},"schema_version":"1.0","source":{"id":"2005.09973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2005.09973","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"arxiv_version","alias_value":"2005.09973v2","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2005.09973","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_12","alias_value":"DMKZEIZ2TEL3","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_16","alias_value":"DMKZEIZ2TEL3Q3E3","created_at":"2026-07-05T01:09:20Z"},{"alias_kind":"pith_short_8","alias_value":"DMKZEIZ2","created_at":"2026-07-05T01:09:20Z"}],"graph_snapshots":[{"event_id":"sha256:8e97488d0d3f8d29c903bd529344ecfa2d361d93bab93871d15a7f578571ee10","target":"graph","created_at":"2026-07-05T01:09:20Z","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/2005.09973/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Object detection has achieved remarkable progress in the past decade. However, the detection of oriented and densely packed objects remains challenging because of following inherent reasons: (1) receptive fields of neurons are all axis-aligned and of the same shape, whereas objects are usually of diverse shapes and align along various directions; (2) detection models are typically trained with generic knowledge and may not generalize well to handle specific objects at test time; (3) the limited dataset hinders the development on this task. To resolve the first two issues, we present a dynamic ","authors_text":"Changsheng Xu, Chongyang Ma, Haolei Yuan, Kekai Sheng, Weiming Dong, Xiaowei Guo, Xingjia Pan, Yuqiang Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-20T11:35:50Z","title":"Dynamic Refinement Network for Oriented and Densely Packed Object Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2005.09973","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":"sha256:1a5bc37cf493b5d2d8a10447e349e1ecf0f8d2b513f950bd1e505f7d47211619","target":"record","created_at":"2026-07-05T01:09:20Z","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":"59c8ff7541f4ba1df02e68705c6a0e5dea8bbe28c95fa57118a4aae86571e4ed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-05-20T11:35:50Z","title_canon_sha256":"ae8d72f7ba942637d584da82e9e9f6c42061de473e9f4eed12c59f58d45c1eeb"},"schema_version":"1.0","source":{"id":"2005.09973","kind":"arxiv","version":2}},"canonical_sha256":"1b1592233a9917b86c9be727fe1d62d5fc224e2faefbda37c6f3102002240f2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b1592233a9917b86c9be727fe1d62d5fc224e2faefbda37c6f3102002240f2d","first_computed_at":"2026-07-05T01:09:20.282523Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:09:20.282523Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7gM1Ud5IE4sKy9Ra9RR558pSsaLTzi7fwgahEyPKRydT/fI0bFgfqQfILYW++X8Zdl0+jjATx7FHNGoIg9gtDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:09:20.282905Z","signed_message":"canonical_sha256_bytes"},"source_id":"2005.09973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a5bc37cf493b5d2d8a10447e349e1ecf0f8d2b513f950bd1e505f7d47211619","sha256:8e97488d0d3f8d29c903bd529344ecfa2d361d93bab93871d15a7f578571ee10"],"state_sha256":"a1f9e8f3e354f9e8a276e14fe8486f82b592aeee11629e1f82437a1e67b8fdf0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I7sTtREQzx0i/PrFudRNrh+k3AUYbHUfrkJ+aev7rn8BFy1E449J81QosbXVxJTr/8v+BsbJkoncfoasU9oNCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:31:15.069357Z","bundle_sha256":"df332fe1250135c81304c1a8862ac80fefcf9420202cf9c45bd6e30a9ff673f2"}}