{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:WWBEVTCRVY6G42H444DIFZOUIU","short_pith_number":"pith:WWBEVTCR","canonical_record":{"source":{"id":"2012.15460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-12-31T06:03:00Z","cross_cats_sorted":[],"title_canon_sha256":"10d16994469f8d271c9da7d7db03c8296ba8a38ad3562c7b8a0f2d31f23eb7f5","abstract_canon_sha256":"8b9b2834efee24b05d7b28ca7da486641755374d7b902ec22dbfe1c7c2a2d896"},"schema_version":"1.0"},"canonical_sha256":"b5824acc51ae3c6e68fce70682e5d445142fc35ede53b6313a2da2725ba8abf2","source":{"kind":"arxiv","id":"2012.15460","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.15460","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"arxiv_version","alias_value":"2012.15460v2","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.15460","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_12","alias_value":"WWBEVTCRVY6G","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_16","alias_value":"WWBEVTCRVY6G42H4","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_8","alias_value":"WWBEVTCR","created_at":"2026-07-05T02:37:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:WWBEVTCRVY6G42H444DIFZOUIU","target":"record","payload":{"canonical_record":{"source":{"id":"2012.15460","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-12-31T06:03:00Z","cross_cats_sorted":[],"title_canon_sha256":"10d16994469f8d271c9da7d7db03c8296ba8a38ad3562c7b8a0f2d31f23eb7f5","abstract_canon_sha256":"8b9b2834efee24b05d7b28ca7da486641755374d7b902ec22dbfe1c7c2a2d896"},"schema_version":"1.0"},"canonical_sha256":"b5824acc51ae3c6e68fce70682e5d445142fc35ede53b6313a2da2725ba8abf2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:08.575019Z","signature_b64":"hTOmBvDHkLwrZDNHH28wl2nZOMEoeMxcHJkd4x7cWrtteqdyCSVG+2wOWFBVfxz9L0+07A7CkI++GFfrAaEsDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5824acc51ae3c6e68fce70682e5d445142fc35ede53b6313a2da2725ba8abf2","last_reissued_at":"2026-07-05T02:37:08.574537Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:08.574537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.15460","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":"2026-07-05T02:37:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wOhvdgnzbW9kTGFHoA7V0NF01tINizi5IiZFJ7YZcBWH813/9pMW60xzQb7SMOL847tw3Jhg0stNpEu1Mqz7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:54:50.524314Z"},"content_sha256":"ccab290ee15427e57dae31906dc5bbac45513898711745d4c0ac264e2d9fe729","schema_version":"1.0","event_id":"sha256:ccab290ee15427e57dae31906dc5bbac45513898711745d4c0ac264e2d9fe729"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:WWBEVTCRVY6G42H444DIFZOUIU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TransTrack: Multiple Object Tracking with Transformer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Changhu Wang, Enze Xie, Jinkun Cao, Peize Sun, Ping Luo, Rufeng Zhang, Yi Jiang, Zehuan Yuan","submitted_at":"2020-12-31T06:03:00Z","abstract_excerpt":"In this work, we propose TransTrack, a simple but efficient scheme to solve the multiple object tracking problems. TransTrack leverages the transformer architecture, which is an attention-based query-key mechanism. It applies object features from the previous frame as a query of the current frame and introduces a set of learned object queries to enable detecting new-coming objects. It builds up a novel joint-detection-and-tracking paradigm by accomplishing object detection and object association in a single shot, simplifying complicated multi-step settings in tracking-by-detection methods. On "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.15460","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/2012.15460/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":"2026-07-05T02:37:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7VwaShZrrdg736aHmvDg40crnkJXCNIi+kWgZFeTSR3ImHzIGr25h4jhWvpVwKmrtD8yL2dWZuqTgH4jmYgAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T15:54:50.525987Z"},"content_sha256":"7dc4a04f742f04314d53b909fd610618462ab6acefda20c5e4195aa754462fb9","schema_version":"1.0","event_id":"sha256:7dc4a04f742f04314d53b909fd610618462ab6acefda20c5e4195aa754462fb9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWBEVTCRVY6G42H444DIFZOUIU/bundle.json","state_url":"https://pith.science/pith/WWBEVTCRVY6G42H444DIFZOUIU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWBEVTCRVY6G42H444DIFZOUIU/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":"2026-08-03T15:54:50Z","links":{"resolver":"https://pith.science/pith/WWBEVTCRVY6G42H444DIFZOUIU","bundle":"https://pith.science/pith/WWBEVTCRVY6G42H444DIFZOUIU/bundle.json","state":"https://pith.science/pith/WWBEVTCRVY6G42H444DIFZOUIU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWBEVTCRVY6G42H444DIFZOUIU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:WWBEVTCRVY6G42H444DIFZOUIU","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":"8b9b2834efee24b05d7b28ca7da486641755374d7b902ec22dbfe1c7c2a2d896","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-12-31T06:03:00Z","title_canon_sha256":"10d16994469f8d271c9da7d7db03c8296ba8a38ad3562c7b8a0f2d31f23eb7f5"},"schema_version":"1.0","source":{"id":"2012.15460","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.15460","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"arxiv_version","alias_value":"2012.15460v2","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.15460","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_12","alias_value":"WWBEVTCRVY6G","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_16","alias_value":"WWBEVTCRVY6G42H4","created_at":"2026-07-05T02:37:08Z"},{"alias_kind":"pith_short_8","alias_value":"WWBEVTCR","created_at":"2026-07-05T02:37:08Z"}],"graph_snapshots":[{"event_id":"sha256:7dc4a04f742f04314d53b909fd610618462ab6acefda20c5e4195aa754462fb9","target":"graph","created_at":"2026-07-05T02:37:08Z","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/2012.15460/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we propose TransTrack, a simple but efficient scheme to solve the multiple object tracking problems. TransTrack leverages the transformer architecture, which is an attention-based query-key mechanism. It applies object features from the previous frame as a query of the current frame and introduces a set of learned object queries to enable detecting new-coming objects. It builds up a novel joint-detection-and-tracking paradigm by accomplishing object detection and object association in a single shot, simplifying complicated multi-step settings in tracking-by-detection methods. On ","authors_text":"Changhu Wang, Enze Xie, Jinkun Cao, Peize Sun, Ping Luo, Rufeng Zhang, Yi Jiang, Zehuan Yuan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-12-31T06:03:00Z","title":"TransTrack: Multiple Object Tracking with Transformer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.15460","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:ccab290ee15427e57dae31906dc5bbac45513898711745d4c0ac264e2d9fe729","target":"record","created_at":"2026-07-05T02:37:08Z","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":"8b9b2834efee24b05d7b28ca7da486641755374d7b902ec22dbfe1c7c2a2d896","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-12-31T06:03:00Z","title_canon_sha256":"10d16994469f8d271c9da7d7db03c8296ba8a38ad3562c7b8a0f2d31f23eb7f5"},"schema_version":"1.0","source":{"id":"2012.15460","kind":"arxiv","version":2}},"canonical_sha256":"b5824acc51ae3c6e68fce70682e5d445142fc35ede53b6313a2da2725ba8abf2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5824acc51ae3c6e68fce70682e5d445142fc35ede53b6313a2da2725ba8abf2","first_computed_at":"2026-07-05T02:37:08.574537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:08.574537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hTOmBvDHkLwrZDNHH28wl2nZOMEoeMxcHJkd4x7cWrtteqdyCSVG+2wOWFBVfxz9L0+07A7CkI++GFfrAaEsDA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:08.575019Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.15460","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccab290ee15427e57dae31906dc5bbac45513898711745d4c0ac264e2d9fe729","sha256:7dc4a04f742f04314d53b909fd610618462ab6acefda20c5e4195aa754462fb9"],"state_sha256":"0a3cee6757abec99a6dda9c445a4a3e48da0e025c0b1f034885141820050fe49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HDJPlDOxzQzmdWYD+QvWuCWmFobZw5lryizphT/hFUUDoX17nxpdH1HLSueUSdrLsnb27fPb9UTqd/E1rLiVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T15:54:50.536692Z","bundle_sha256":"5a36d357f124dade35638666f9ed42a68332b429b61a0eeeb4c9914b27d026d3"}}