{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QRLJNZPCZNWBVOHZAQOLVZA2NQ","short_pith_number":"pith:QRLJNZPC","canonical_record":{"source":{"id":"2306.02728","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-06-05T09:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"74585129bd5c404c7a96ce42b7c62b7b38f81b1c25d010b48fd455efa360c75a","abstract_canon_sha256":"1c39af986ac53457983ccd188b5b22c4488a6831be47eefb69c4ee05f036de67"},"schema_version":"1.0"},"canonical_sha256":"845696e5e2cb6c1ab8f9041cbae41a6c1499d5d8192dd2362fc482236582d81c","source":{"kind":"arxiv","id":"2306.02728","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.02728","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"arxiv_version","alias_value":"2306.02728v3","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.02728","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_12","alias_value":"QRLJNZPCZNWB","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_16","alias_value":"QRLJNZPCZNWBVOHZ","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_8","alias_value":"QRLJNZPC","created_at":"2026-07-05T09:13:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QRLJNZPCZNWBVOHZAQOLVZA2NQ","target":"record","payload":{"canonical_record":{"source":{"id":"2306.02728","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-06-05T09:26:33Z","cross_cats_sorted":[],"title_canon_sha256":"74585129bd5c404c7a96ce42b7c62b7b38f81b1c25d010b48fd455efa360c75a","abstract_canon_sha256":"1c39af986ac53457983ccd188b5b22c4488a6831be47eefb69c4ee05f036de67"},"schema_version":"1.0"},"canonical_sha256":"845696e5e2cb6c1ab8f9041cbae41a6c1499d5d8192dd2362fc482236582d81c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:13:47.060977Z","signature_b64":"l2PneGbHQikf0rnUvcMLZRXx/aMOzJpYauAwiMNfMR21+/kTDB4E9blbwt/8odwthaQDiZTf/u/j1nsytCWfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"845696e5e2cb6c1ab8f9041cbae41a6c1499d5d8192dd2362fc482236582d81c","last_reissued_at":"2026-07-05T09:13:47.060489Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:13:47.060489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.02728","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VlWApIp2rj2p1WZkPaUAzUIPT8yk0eSjXgFwZ1G8np+szh5s1HUWFMw19rHEpL488bzSz2V9DFuWhXu7hzW7Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T08:15:18.086840Z"},"content_sha256":"47871bf4f5fd9a75add94c5de46a0c3b051538b665e1e579e0799fea4020206e","schema_version":"1.0","event_id":"sha256:47871bf4f5fd9a75add94c5de46a0c3b051538b665e1e579e0799fea4020206e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QRLJNZPCZNWBVOHZAQOLVZA2NQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Background-aware Moment Detection for Video Moment Retrieval","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Byoung-Tak Zhang, Jin-Hwa Kim, Joochan Kim, Minjoon Jung, Seongho Choi, Youwon Jang","submitted_at":"2023-06-05T09:26:33Z","abstract_excerpt":"Video moment retrieval (VMR) identifies a specific moment in an untrimmed video for a given natural language query. This task is prone to suffer the weak alignment problem innate in video datasets. Due to the ambiguity, a query does not fully cover the relevant details of the corresponding moment, or the moment may contain misaligned and irrelevant frames, potentially limiting further performance gains. To tackle this problem, we propose a background-aware moment detection transformer (BM-DETR). Our model adopts a contrastive approach, carefully utilizing the negative queries matched to other "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.02728","kind":"arxiv","version":3},"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/2306.02728/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":"2026-07-05T09:13:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XD2p3RjA0hCW4KTCrqiENhiA/sxhBglQa3Q8XVQNuJk3RQ8NLgPZ/6vOMyiOtCYtcIm06HIWpc9HFryj1eVMDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T08:15:18.087404Z"},"content_sha256":"8382b152940c38e6cff43359b09ee8ee8bef122b7618cd24a47fa1b5bea2ff33","schema_version":"1.0","event_id":"sha256:8382b152940c38e6cff43359b09ee8ee8bef122b7618cd24a47fa1b5bea2ff33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/bundle.json","state_url":"https://pith.science/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/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":"2026-08-23T08:15:18Z","links":{"resolver":"https://pith.science/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ","bundle":"https://pith.science/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/bundle.json","state":"https://pith.science/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QRLJNZPCZNWBVOHZAQOLVZA2NQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QRLJNZPCZNWBVOHZAQOLVZA2NQ","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":"1c39af986ac53457983ccd188b5b22c4488a6831be47eefb69c4ee05f036de67","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-06-05T09:26:33Z","title_canon_sha256":"74585129bd5c404c7a96ce42b7c62b7b38f81b1c25d010b48fd455efa360c75a"},"schema_version":"1.0","source":{"id":"2306.02728","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.02728","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"arxiv_version","alias_value":"2306.02728v3","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.02728","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_12","alias_value":"QRLJNZPCZNWB","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_16","alias_value":"QRLJNZPCZNWBVOHZ","created_at":"2026-07-05T09:13:47Z"},{"alias_kind":"pith_short_8","alias_value":"QRLJNZPC","created_at":"2026-07-05T09:13:47Z"}],"graph_snapshots":[{"event_id":"sha256:8382b152940c38e6cff43359b09ee8ee8bef122b7618cd24a47fa1b5bea2ff33","target":"graph","created_at":"2026-07-05T09:13:47Z","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/2306.02728/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Video moment retrieval (VMR) identifies a specific moment in an untrimmed video for a given natural language query. This task is prone to suffer the weak alignment problem innate in video datasets. Due to the ambiguity, a query does not fully cover the relevant details of the corresponding moment, or the moment may contain misaligned and irrelevant frames, potentially limiting further performance gains. To tackle this problem, we propose a background-aware moment detection transformer (BM-DETR). Our model adopts a contrastive approach, carefully utilizing the negative queries matched to other ","authors_text":"Byoung-Tak Zhang, Jin-Hwa Kim, Joochan Kim, Minjoon Jung, Seongho Choi, Youwon Jang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-06-05T09:26:33Z","title":"Background-aware Moment Detection for Video Moment Retrieval"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.02728","kind":"arxiv","version":3},"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":"sha256:47871bf4f5fd9a75add94c5de46a0c3b051538b665e1e579e0799fea4020206e","target":"record","created_at":"2026-07-05T09:13:47Z","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":"1c39af986ac53457983ccd188b5b22c4488a6831be47eefb69c4ee05f036de67","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-06-05T09:26:33Z","title_canon_sha256":"74585129bd5c404c7a96ce42b7c62b7b38f81b1c25d010b48fd455efa360c75a"},"schema_version":"1.0","source":{"id":"2306.02728","kind":"arxiv","version":3}},"canonical_sha256":"845696e5e2cb6c1ab8f9041cbae41a6c1499d5d8192dd2362fc482236582d81c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"845696e5e2cb6c1ab8f9041cbae41a6c1499d5d8192dd2362fc482236582d81c","first_computed_at":"2026-07-05T09:13:47.060489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:13:47.060489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l2PneGbHQikf0rnUvcMLZRXx/aMOzJpYauAwiMNfMR21+/kTDB4E9blbwt/8odwthaQDiZTf/u/j1nsytCWfDA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:13:47.060977Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.02728","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47871bf4f5fd9a75add94c5de46a0c3b051538b665e1e579e0799fea4020206e","sha256:8382b152940c38e6cff43359b09ee8ee8bef122b7618cd24a47fa1b5bea2ff33"],"state_sha256":"c014df95919d789a2c8d7f53f7113e69273cf79476c083de7b64551805becb42"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sFD5KFy43zTsNFACYLzKcPi9e4m/cMoWtf8dPhiPwOnLxknxZGUOBYgAVZWhztViq7cigQZEnldzoHYmxDDFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T08:15:18.091228Z","bundle_sha256":"64022ab0045bc718969b6adf180c317340ee0ed8befd233e882e78fae517b20d"}}