{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:FNC2NJ77UFOHABEGHDCADXP56Y","short_pith_number":"pith:FNC2NJ77","canonical_record":{"source":{"id":"2507.02479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-03T09:36:44Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"509d411eec84dea5b05ac9957d4720cd36fb63716176613be1eebe5cc21b14f2","abstract_canon_sha256":"237c501725f0abd5ae745adf0ca2ed64cb077f13009434c194be8763a2840f06"},"schema_version":"1.0"},"canonical_sha256":"2b45a6a7ffa15c70048638c401ddfdf61faa2b24f8bdf400c956421936bd792e","source":{"kind":"arxiv","id":"2507.02479","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02479","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02479v1","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02479","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"FNC2NJ77UFOH","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"FNC2NJ77UFOHABEG","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"FNC2NJ77","created_at":"2026-07-05T11:31:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:FNC2NJ77UFOHABEGHDCADXP56Y","target":"record","payload":{"canonical_record":{"source":{"id":"2507.02479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-03T09:36:44Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"509d411eec84dea5b05ac9957d4720cd36fb63716176613be1eebe5cc21b14f2","abstract_canon_sha256":"237c501725f0abd5ae745adf0ca2ed64cb077f13009434c194be8763a2840f06"},"schema_version":"1.0"},"canonical_sha256":"2b45a6a7ffa15c70048638c401ddfdf61faa2b24f8bdf400c956421936bd792e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:19.032896Z","signature_b64":"j9FT5JTSn6DDXrJy21v+1OzE8oaVeDWU8WVjzt2gG6DSJ5AnagshGt7z67GgWTLquvwbNkGITeSqtzxAZh9dDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2b45a6a7ffa15c70048638c401ddfdf61faa2b24f8bdf400c956421936bd792e","last_reissued_at":"2026-07-05T11:31:19.032481Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:19.032481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.02479","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":"2026-07-05T11:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dife7x9HKe3YSHPex9MqNioibpOO+2Sgf6fOioACWpt+BsTD1M5jopkbqkpMYcLf2jcAMyPF2mpECRU9u3olBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:06:26.015420Z"},"content_sha256":"e1a93dca2f28d2f83392cc3db9e564728977964373b396deadb4944918a394ca","schema_version":"1.0","event_id":"sha256:e1a93dca2f28d2f83392cc3db9e564728977964373b396deadb4944918a394ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:FNC2NJ77UFOHABEGHDCADXP56Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CrowdTrack: A Benchmark for Difficult Multiple Pedestrian Tracking in Real Scenarios","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Bin Li, Mengyang Zhao, Teng Fu, Xiangyang Xue, Yuwen Chen, Zhuofan Chen","submitted_at":"2025-07-03T09:36:44Z","abstract_excerpt":"Multi-object tracking is a classic field in computer vision. Among them, pedestrian tracking has extremely high application value and has become the most popular research category. Existing methods mainly use motion or appearance information for tracking, which is often difficult in complex scenarios. For the motion information, mutual occlusions between objects often prevent updating of the motion state; for the appearance information, non-robust results are often obtained due to reasons such as only partial visibility of the object or blurred images. Although learning how to perform tracking"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02479","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/2507.02479/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":"2026-07-05T11:31:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rz9dCjNEwSuYyv8K08iKWUD1b8WnG9CVNr+wSGfxsz9EGeKu4WaXueFtJWVjODi8lTMRzCmkn0fO7yznckwZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:06:26.015818Z"},"content_sha256":"3fab57dcafade7e1deca80f850e07b60a2b55b9fd5d231ea346ff496247257ff","schema_version":"1.0","event_id":"sha256:3fab57dcafade7e1deca80f850e07b60a2b55b9fd5d231ea346ff496247257ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FNC2NJ77UFOHABEGHDCADXP56Y/bundle.json","state_url":"https://pith.science/pith/FNC2NJ77UFOHABEGHDCADXP56Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FNC2NJ77UFOHABEGHDCADXP56Y/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":"2026-07-06T19:06:26Z","links":{"resolver":"https://pith.science/pith/FNC2NJ77UFOHABEGHDCADXP56Y","bundle":"https://pith.science/pith/FNC2NJ77UFOHABEGHDCADXP56Y/bundle.json","state":"https://pith.science/pith/FNC2NJ77UFOHABEGHDCADXP56Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FNC2NJ77UFOHABEGHDCADXP56Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FNC2NJ77UFOHABEGHDCADXP56Y","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":"237c501725f0abd5ae745adf0ca2ed64cb077f13009434c194be8763a2840f06","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-03T09:36:44Z","title_canon_sha256":"509d411eec84dea5b05ac9957d4720cd36fb63716176613be1eebe5cc21b14f2"},"schema_version":"1.0","source":{"id":"2507.02479","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02479","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02479v1","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02479","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_12","alias_value":"FNC2NJ77UFOH","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_16","alias_value":"FNC2NJ77UFOHABEG","created_at":"2026-07-05T11:31:19Z"},{"alias_kind":"pith_short_8","alias_value":"FNC2NJ77","created_at":"2026-07-05T11:31:19Z"}],"graph_snapshots":[{"event_id":"sha256:3fab57dcafade7e1deca80f850e07b60a2b55b9fd5d231ea346ff496247257ff","target":"graph","created_at":"2026-07-05T11:31:19Z","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/2507.02479/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multi-object tracking is a classic field in computer vision. Among them, pedestrian tracking has extremely high application value and has become the most popular research category. Existing methods mainly use motion or appearance information for tracking, which is often difficult in complex scenarios. For the motion information, mutual occlusions between objects often prevent updating of the motion state; for the appearance information, non-robust results are often obtained due to reasons such as only partial visibility of the object or blurred images. Although learning how to perform tracking","authors_text":"Bin Li, Mengyang Zhao, Teng Fu, Xiangyang Xue, Yuwen Chen, Zhuofan Chen","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-03T09:36:44Z","title":"CrowdTrack: A Benchmark for Difficult Multiple Pedestrian Tracking in Real Scenarios"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02479","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:e1a93dca2f28d2f83392cc3db9e564728977964373b396deadb4944918a394ca","target":"record","created_at":"2026-07-05T11:31:19Z","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":"237c501725f0abd5ae745adf0ca2ed64cb077f13009434c194be8763a2840f06","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-07-03T09:36:44Z","title_canon_sha256":"509d411eec84dea5b05ac9957d4720cd36fb63716176613be1eebe5cc21b14f2"},"schema_version":"1.0","source":{"id":"2507.02479","kind":"arxiv","version":1}},"canonical_sha256":"2b45a6a7ffa15c70048638c401ddfdf61faa2b24f8bdf400c956421936bd792e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b45a6a7ffa15c70048638c401ddfdf61faa2b24f8bdf400c956421936bd792e","first_computed_at":"2026-07-05T11:31:19.032481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:19.032481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j9FT5JTSn6DDXrJy21v+1OzE8oaVeDWU8WVjzt2gG6DSJ5AnagshGt7z67GgWTLquvwbNkGITeSqtzxAZh9dDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:19.032896Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.02479","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1a93dca2f28d2f83392cc3db9e564728977964373b396deadb4944918a394ca","sha256:3fab57dcafade7e1deca80f850e07b60a2b55b9fd5d231ea346ff496247257ff"],"state_sha256":"45203b617d087f134ebcd9401646006d6a379f6cc7f27e26e7d67fd113685baf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"10fcYD+kFG0WLKTDYRQvW0Um/rRUzN6j5Wn+BqK2bIrzBJhbgfuQMkT/Fv8qUdEBzi1Xv4ogrqgZX7mn//39BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:06:26.017865Z","bundle_sha256":"a29a94535c86bede98d2dc2fd89e720cdd8e574a6ccf16227ae6e5e43a31d7e7"}}