{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:YBYBBGX7FTWE2D5NRGVBM6IWV2","short_pith_number":"pith:YBYBBGX7","canonical_record":{"source":{"id":"2310.18812","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-10-28T20:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"8a14b7c711ce4101df524ddb9638ceab8ea9da081b35dd9438541e5c24538bb5","abstract_canon_sha256":"ec75cba63ca61ce1bc785d52cdebd7d884ca2f97d76d4e48e30e142114b943ce"},"schema_version":"1.0"},"canonical_sha256":"c070109aff2cec4d0fad89aa167916aeba0e80536353f4208e562df2227cf294","source":{"kind":"arxiv","id":"2310.18812","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18812","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18812v1","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18812","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_12","alias_value":"YBYBBGX7FTWE","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_16","alias_value":"YBYBBGX7FTWE2D5N","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_8","alias_value":"YBYBBGX7","created_at":"2026-07-05T07:06:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:YBYBBGX7FTWE2D5NRGVBM6IWV2","target":"record","payload":{"canonical_record":{"source":{"id":"2310.18812","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-10-28T20:30:59Z","cross_cats_sorted":[],"title_canon_sha256":"8a14b7c711ce4101df524ddb9638ceab8ea9da081b35dd9438541e5c24538bb5","abstract_canon_sha256":"ec75cba63ca61ce1bc785d52cdebd7d884ca2f97d76d4e48e30e142114b943ce"},"schema_version":"1.0"},"canonical_sha256":"c070109aff2cec4d0fad89aa167916aeba0e80536353f4208e562df2227cf294","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:06:41.887201Z","signature_b64":"LgZ/WMqGz3s5ycMyTehuxxSGvGN92wSCz1CCfUK+XFamAJRQst3MafL2RjhSBMzLEXY/nqH0GuhdWLGiRLfZAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c070109aff2cec4d0fad89aa167916aeba0e80536353f4208e562df2227cf294","last_reissued_at":"2026-07-05T07:06:41.886716Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:06:41.886716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.18812","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":"2026-07-05T07:06:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1fzmx7cZG1NrWV3tmQkF3CT5iDDf17j/Nqrwr6+6FInDAwg8ArQ7NZzNS72ntlZz4R8xWprvRhkdw3PNFZxrDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:46:22.699838Z"},"content_sha256":"59fe11a7171f2a67ccd88d900da8e24cdde3b62654af74a8ba0be7705c9a888c","schema_version":"1.0","event_id":"sha256:59fe11a7171f2a67ccd88d900da8e24cdde3b62654af74a8ba0be7705c9a888c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:YBYBBGX7FTWE2D5NRGVBM6IWV2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"UniCat: Crafting a Stronger Fusion Baseline for Multimodal Re-Identification","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Daniel Cummings, Haoli Yin, Jennifer Crawford, Luke McDermott","submitted_at":"2023-10-28T20:30:59Z","abstract_excerpt":"Multimodal Re-Identification (ReID) is a popular retrieval task that aims to re-identify objects across diverse data streams, prompting many researchers to integrate multiple modalities into a unified representation. While such fusion promises a holistic view, our investigations shed light on potential pitfalls. We uncover that prevailing late-fusion techniques often produce suboptimal latent representations when compared to methods that train modalities in isolation. We argue that this effect is largely due to the inadvertent relaxation of the training objectives on individual modalities when"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18812","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/2310.18812/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":"2026-07-05T07:06:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7DkoIjy2NdYTYJ6LCiIvqO82rycey/dQPGWfQHmh1MvQuismwQrB/Ndpa23avU9zRocO3AHrs6Jqf2IizJMLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T22:46:22.700814Z"},"content_sha256":"6953efb44cb47b4c319178c595abc481fbe29ff7c9f5afeedfb475089494961e","schema_version":"1.0","event_id":"sha256:6953efb44cb47b4c319178c595abc481fbe29ff7c9f5afeedfb475089494961e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/bundle.json","state_url":"https://pith.science/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/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":"2026-08-12T22:46:22Z","links":{"resolver":"https://pith.science/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2","bundle":"https://pith.science/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/bundle.json","state":"https://pith.science/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YBYBBGX7FTWE2D5NRGVBM6IWV2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:YBYBBGX7FTWE2D5NRGVBM6IWV2","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":"ec75cba63ca61ce1bc785d52cdebd7d884ca2f97d76d4e48e30e142114b943ce","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-10-28T20:30:59Z","title_canon_sha256":"8a14b7c711ce4101df524ddb9638ceab8ea9da081b35dd9438541e5c24538bb5"},"schema_version":"1.0","source":{"id":"2310.18812","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18812","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18812v1","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18812","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_12","alias_value":"YBYBBGX7FTWE","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_16","alias_value":"YBYBBGX7FTWE2D5N","created_at":"2026-07-05T07:06:41Z"},{"alias_kind":"pith_short_8","alias_value":"YBYBBGX7","created_at":"2026-07-05T07:06:41Z"}],"graph_snapshots":[{"event_id":"sha256:6953efb44cb47b4c319178c595abc481fbe29ff7c9f5afeedfb475089494961e","target":"graph","created_at":"2026-07-05T07:06:41Z","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/2310.18812/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multimodal Re-Identification (ReID) is a popular retrieval task that aims to re-identify objects across diverse data streams, prompting many researchers to integrate multiple modalities into a unified representation. While such fusion promises a holistic view, our investigations shed light on potential pitfalls. We uncover that prevailing late-fusion techniques often produce suboptimal latent representations when compared to methods that train modalities in isolation. We argue that this effect is largely due to the inadvertent relaxation of the training objectives on individual modalities when","authors_text":"Daniel Cummings, Haoli Yin, Jennifer Crawford, Luke McDermott","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-10-28T20:30:59Z","title":"UniCat: Crafting a Stronger Fusion Baseline for Multimodal Re-Identification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18812","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":"sha256:59fe11a7171f2a67ccd88d900da8e24cdde3b62654af74a8ba0be7705c9a888c","target":"record","created_at":"2026-07-05T07:06:41Z","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":"ec75cba63ca61ce1bc785d52cdebd7d884ca2f97d76d4e48e30e142114b943ce","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2023-10-28T20:30:59Z","title_canon_sha256":"8a14b7c711ce4101df524ddb9638ceab8ea9da081b35dd9438541e5c24538bb5"},"schema_version":"1.0","source":{"id":"2310.18812","kind":"arxiv","version":1}},"canonical_sha256":"c070109aff2cec4d0fad89aa167916aeba0e80536353f4208e562df2227cf294","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c070109aff2cec4d0fad89aa167916aeba0e80536353f4208e562df2227cf294","first_computed_at":"2026-07-05T07:06:41.886716Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:06:41.886716Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LgZ/WMqGz3s5ycMyTehuxxSGvGN92wSCz1CCfUK+XFamAJRQst3MafL2RjhSBMzLEXY/nqH0GuhdWLGiRLfZAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:06:41.887201Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.18812","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59fe11a7171f2a67ccd88d900da8e24cdde3b62654af74a8ba0be7705c9a888c","sha256:6953efb44cb47b4c319178c595abc481fbe29ff7c9f5afeedfb475089494961e"],"state_sha256":"bd392792fa70b1ee7ba9569a4a9a2180ee08f7dfb45fe07f1c5fd145062f6486"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVxGiDlKuZ6vqjZKE+4dqvmeRWdGGBZ5NpQDhxON4GFhj8+Ui8A3LqEUL1EIwcY9h47A05pMTSaSmQceldkyDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T22:46:22.708702Z","bundle_sha256":"1d646ca1eecee1d8d2c2901a542f532224401147fad3798262f4915ea8e4e02d"}}