{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KJLPTOOZVDDTHATV425RT4FO2R","short_pith_number":"pith:KJLPTOOZ","canonical_record":{"source":{"id":"2508.14343","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-20T01:37:17Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"3bf34b519302bec44cbb4341f1fced9964e3364b7a6aab419e2c7b6bce229171","abstract_canon_sha256":"76efa0cab0791bc06a3db8bd76b2f70412e4a7660da9142f19cf2dd0052aef48"},"schema_version":"1.0"},"canonical_sha256":"5256f9b9d9a8c7338275e6bb19f0aed4699a76f35aad105023821c365c050cbc","source":{"kind":"arxiv","id":"2508.14343","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.14343","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"arxiv_version","alias_value":"2508.14343v1","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.14343","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_12","alias_value":"KJLPTOOZVDDT","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_16","alias_value":"KJLPTOOZVDDTHATV","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_8","alias_value":"KJLPTOOZ","created_at":"2026-07-05T11:56:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KJLPTOOZVDDTHATV425RT4FO2R","target":"record","payload":{"canonical_record":{"source":{"id":"2508.14343","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-20T01:37:17Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"3bf34b519302bec44cbb4341f1fced9964e3364b7a6aab419e2c7b6bce229171","abstract_canon_sha256":"76efa0cab0791bc06a3db8bd76b2f70412e4a7660da9142f19cf2dd0052aef48"},"schema_version":"1.0"},"canonical_sha256":"5256f9b9d9a8c7338275e6bb19f0aed4699a76f35aad105023821c365c050cbc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:56:30.124393Z","signature_b64":"U0Inxy1OreQ7fHbjK3Azh/wROfGB4bBDF1WzOC+vtsiyCtD5kt0/Uaxt4d87rWNr9VRK4v0hujq8l8uk1eZ6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5256f9b9d9a8c7338275e6bb19f0aed4699a76f35aad105023821c365c050cbc","last_reissued_at":"2026-07-05T11:56:30.123933Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:56:30.123933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.14343","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":"2026-07-05T11:56:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjig6wCEGFGReegai081Wxgwn1F+SmKyBSP9bH6SHZrHNrtn6Y7UO5p/l9Zn7PQriFT32XJUmaAcTwgi9zRKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:30:03.963416Z"},"content_sha256":"10394e1d64bf98995296f6b99713fe8ee6f52b9a81f3395630971e8fdc2f0c85","schema_version":"1.0","event_id":"sha256:10394e1d64bf98995296f6b99713fe8ee6f52b9a81f3395630971e8fdc2f0c85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KJLPTOOZVDDTHATV425RT4FO2R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inter-Class Relational Loss for Small Object Detection: A Case Study on License Plates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Dian Ning, Dong Seog Han","submitted_at":"2025-08-20T01:37:17Z","abstract_excerpt":"In one-stage multi-object detection tasks, various intersection over union (IoU)-based solutions aim at smooth and stable convergence near the targets during training. However, IoU-based losses fail to correctly update the gradient of small objects due to an extremely flat gradient. During the update of multiple objects, the learning of small objects' gradients suffers more because of insufficient gradient updates. Therefore, we propose an inter-class relational loss to efficiently update the gradient of small objects while not sacrificing the learning efficiency of other objects based on the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.14343","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/2508.14343/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":"2026-07-05T11:56:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6ft/TN/jWXs6dg+RTVqIEOn3MrCqP02wfw6eqpeZ+jpioHNDBUHHSbT4g+IyYgueiIvyEvS3aspk3XhIGYT9DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T21:30:03.963947Z"},"content_sha256":"0065ac4b0695d9555f9f3e622557527d653d77f9ad3dd66709685b03bc4f029e","schema_version":"1.0","event_id":"sha256:0065ac4b0695d9555f9f3e622557527d653d77f9ad3dd66709685b03bc4f029e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KJLPTOOZVDDTHATV425RT4FO2R/bundle.json","state_url":"https://pith.science/pith/KJLPTOOZVDDTHATV425RT4FO2R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KJLPTOOZVDDTHATV425RT4FO2R/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":"2026-08-06T21:30:03Z","links":{"resolver":"https://pith.science/pith/KJLPTOOZVDDTHATV425RT4FO2R","bundle":"https://pith.science/pith/KJLPTOOZVDDTHATV425RT4FO2R/bundle.json","state":"https://pith.science/pith/KJLPTOOZVDDTHATV425RT4FO2R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KJLPTOOZVDDTHATV425RT4FO2R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KJLPTOOZVDDTHATV425RT4FO2R","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":"76efa0cab0791bc06a3db8bd76b2f70412e4a7660da9142f19cf2dd0052aef48","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-20T01:37:17Z","title_canon_sha256":"3bf34b519302bec44cbb4341f1fced9964e3364b7a6aab419e2c7b6bce229171"},"schema_version":"1.0","source":{"id":"2508.14343","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.14343","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"arxiv_version","alias_value":"2508.14343v1","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.14343","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_12","alias_value":"KJLPTOOZVDDT","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_16","alias_value":"KJLPTOOZVDDTHATV","created_at":"2026-07-05T11:56:30Z"},{"alias_kind":"pith_short_8","alias_value":"KJLPTOOZ","created_at":"2026-07-05T11:56:30Z"}],"graph_snapshots":[{"event_id":"sha256:0065ac4b0695d9555f9f3e622557527d653d77f9ad3dd66709685b03bc4f029e","target":"graph","created_at":"2026-07-05T11:56:30Z","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/2508.14343/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In one-stage multi-object detection tasks, various intersection over union (IoU)-based solutions aim at smooth and stable convergence near the targets during training. However, IoU-based losses fail to correctly update the gradient of small objects due to an extremely flat gradient. During the update of multiple objects, the learning of small objects' gradients suffers more because of insufficient gradient updates. Therefore, we propose an inter-class relational loss to efficiently update the gradient of small objects while not sacrificing the learning efficiency of other objects based on the ","authors_text":"Dian Ning, Dong Seog Han","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-20T01:37:17Z","title":"Inter-Class Relational Loss for Small Object Detection: A Case Study on License Plates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.14343","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":"sha256:10394e1d64bf98995296f6b99713fe8ee6f52b9a81f3395630971e8fdc2f0c85","target":"record","created_at":"2026-07-05T11:56:30Z","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":"76efa0cab0791bc06a3db8bd76b2f70412e4a7660da9142f19cf2dd0052aef48","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-20T01:37:17Z","title_canon_sha256":"3bf34b519302bec44cbb4341f1fced9964e3364b7a6aab419e2c7b6bce229171"},"schema_version":"1.0","source":{"id":"2508.14343","kind":"arxiv","version":1}},"canonical_sha256":"5256f9b9d9a8c7338275e6bb19f0aed4699a76f35aad105023821c365c050cbc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5256f9b9d9a8c7338275e6bb19f0aed4699a76f35aad105023821c365c050cbc","first_computed_at":"2026-07-05T11:56:30.123933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:56:30.123933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U0Inxy1OreQ7fHbjK3Azh/wROfGB4bBDF1WzOC+vtsiyCtD5kt0/Uaxt4d87rWNr9VRK4v0hujq8l8uk1eZ6Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:56:30.124393Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.14343","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10394e1d64bf98995296f6b99713fe8ee6f52b9a81f3395630971e8fdc2f0c85","sha256:0065ac4b0695d9555f9f3e622557527d653d77f9ad3dd66709685b03bc4f029e"],"state_sha256":"e01ba3cf2a8e5adeb05e0f43ea8ec71c9c87376e30a044525ece4fc003cba7de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9KKpqtV0n48LJHMc/tHiDn0g65quB+VZAmt1Mfdo6NhIBiiKEE86PCabPzINDmq5NiepKZRiMV4BbzPguc+qCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T21:30:03.967936Z","bundle_sha256":"a64f8b5d8638afb9e3373c5a0ad9911f24875649e9a0aa1d071ecd0ff8a4c99a"}}