{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WIUWXGUTJQKOBUHVIGTTMNBWTU","short_pith_number":"pith:WIUWXGUT","canonical_record":{"source":{"id":"2206.06487","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-13T21:34:21Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"d4a4712bbe1c1ddd3151dc87e9514ffa1fcce0bce828e09d9bb6840104306570","abstract_canon_sha256":"fcc951e7ef1855228b38df17492ea62ab98f731b1887ada0c81babf929138d9f"},"schema_version":"1.0"},"canonical_sha256":"b2296b9a934c14e0d0f541a73634369d231a93f49e718f24c386a7702443aaf1","source":{"kind":"arxiv","id":"2206.06487","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.06487","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"arxiv_version","alias_value":"2206.06487v3","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.06487","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_12","alias_value":"WIUWXGUTJQKO","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_16","alias_value":"WIUWXGUTJQKOBUHV","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_8","alias_value":"WIUWXGUT","created_at":"2026-07-05T05:47:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WIUWXGUTJQKOBUHVIGTTMNBWTU","target":"record","payload":{"canonical_record":{"source":{"id":"2206.06487","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-13T21:34:21Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"d4a4712bbe1c1ddd3151dc87e9514ffa1fcce0bce828e09d9bb6840104306570","abstract_canon_sha256":"fcc951e7ef1855228b38df17492ea62ab98f731b1887ada0c81babf929138d9f"},"schema_version":"1.0"},"canonical_sha256":"b2296b9a934c14e0d0f541a73634369d231a93f49e718f24c386a7702443aaf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:47:15.994082Z","signature_b64":"U5CZ7v3SNpulQplpzApzDFS2mIHG+TIzzG4Bho19YsIL/v6Tn+9M++GlF5fl87Oot9y/AsHzjtMancguz+t1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2296b9a934c14e0d0f541a73634369d231a93f49e718f24c386a7702443aaf1","last_reissued_at":"2026-07-05T05:47:15.993577Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:47:15.993577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.06487","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":"2026-07-05T05:47:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YgSnUj9qmgs6fkOkEtbKrJ+PxbF+WknUmZCzt/aHgVsGJoZOFn3hHjUrMcse5Y0fqEeXjTCOx/UMJfrQ6gHqCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T22:47:12.045816Z"},"content_sha256":"8cf68d1d9acda3cf4f827a6df53c8826419dfcf41d547b5fa2662aa7bc78e9c8","schema_version":"1.0","event_id":"sha256:8cf68d1d9acda3cf4f827a6df53c8826419dfcf41d547b5fa2662aa7bc78e9c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WIUWXGUTJQKOBUHVIGTTMNBWTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Modality Focusing Hypothesis: Towards Understanding Crossmodal Knowledge Distillation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Hang Zhao, Sucheng Ren, Zhengqi Gao, Zihui Xue","submitted_at":"2022-06-13T21:34:21Z","abstract_excerpt":"Crossmodal knowledge distillation (KD) extends traditional knowledge distillation to the area of multimodal learning and demonstrates great success in various applications. To achieve knowledge transfer across modalities, a pretrained network from one modality is adopted as the teacher to provide supervision signals to a student network learning from another modality. In contrast to the empirical success reported in prior works, the working mechanism of crossmodal KD remains a mystery. In this paper, we present a thorough understanding of crossmodal KD. We begin with two case studies and demon"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.06487","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/2206.06487/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":"2026-07-05T05:47:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1cqS1ZBtfP+Jkw91OsAXD4JvYYSzMZx+qPUGJt8Xc1C42JcaFYqYv/PeoTGD8sGHzbDvC8GDuFPQxVJ5sCgBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-15T22:47:12.046195Z"},"content_sha256":"a7654ddb070fff07ff947dffbf1fc7d9d61b3869d9e327fd4266ca6e8d1878f8","schema_version":"1.0","event_id":"sha256:a7654ddb070fff07ff947dffbf1fc7d9d61b3869d9e327fd4266ca6e8d1878f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/bundle.json","state_url":"https://pith.science/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/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":"2026-07-15T22:47:12Z","links":{"resolver":"https://pith.science/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU","bundle":"https://pith.science/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/bundle.json","state":"https://pith.science/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WIUWXGUTJQKOBUHVIGTTMNBWTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WIUWXGUTJQKOBUHVIGTTMNBWTU","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":"fcc951e7ef1855228b38df17492ea62ab98f731b1887ada0c81babf929138d9f","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-13T21:34:21Z","title_canon_sha256":"d4a4712bbe1c1ddd3151dc87e9514ffa1fcce0bce828e09d9bb6840104306570"},"schema_version":"1.0","source":{"id":"2206.06487","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.06487","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"arxiv_version","alias_value":"2206.06487v3","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.06487","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_12","alias_value":"WIUWXGUTJQKO","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_16","alias_value":"WIUWXGUTJQKOBUHV","created_at":"2026-07-05T05:47:15Z"},{"alias_kind":"pith_short_8","alias_value":"WIUWXGUT","created_at":"2026-07-05T05:47:15Z"}],"graph_snapshots":[{"event_id":"sha256:a7654ddb070fff07ff947dffbf1fc7d9d61b3869d9e327fd4266ca6e8d1878f8","target":"graph","created_at":"2026-07-05T05:47:15Z","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/2206.06487/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Crossmodal knowledge distillation (KD) extends traditional knowledge distillation to the area of multimodal learning and demonstrates great success in various applications. To achieve knowledge transfer across modalities, a pretrained network from one modality is adopted as the teacher to provide supervision signals to a student network learning from another modality. In contrast to the empirical success reported in prior works, the working mechanism of crossmodal KD remains a mystery. In this paper, we present a thorough understanding of crossmodal KD. We begin with two case studies and demon","authors_text":"Hang Zhao, Sucheng Ren, Zhengqi Gao, Zihui Xue","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-13T21:34:21Z","title":"The Modality Focusing Hypothesis: Towards Understanding Crossmodal Knowledge Distillation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.06487","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":"sha256:8cf68d1d9acda3cf4f827a6df53c8826419dfcf41d547b5fa2662aa7bc78e9c8","target":"record","created_at":"2026-07-05T05:47:15Z","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":"fcc951e7ef1855228b38df17492ea62ab98f731b1887ada0c81babf929138d9f","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2022-06-13T21:34:21Z","title_canon_sha256":"d4a4712bbe1c1ddd3151dc87e9514ffa1fcce0bce828e09d9bb6840104306570"},"schema_version":"1.0","source":{"id":"2206.06487","kind":"arxiv","version":3}},"canonical_sha256":"b2296b9a934c14e0d0f541a73634369d231a93f49e718f24c386a7702443aaf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2296b9a934c14e0d0f541a73634369d231a93f49e718f24c386a7702443aaf1","first_computed_at":"2026-07-05T05:47:15.993577Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:47:15.993577Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U5CZ7v3SNpulQplpzApzDFS2mIHG+TIzzG4Bho19YsIL/v6Tn+9M++GlF5fl87Oot9y/AsHzjtMancguz+t1Ag==","signature_status":"signed_v1","signed_at":"2026-07-05T05:47:15.994082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.06487","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8cf68d1d9acda3cf4f827a6df53c8826419dfcf41d547b5fa2662aa7bc78e9c8","sha256:a7654ddb070fff07ff947dffbf1fc7d9d61b3869d9e327fd4266ca6e8d1878f8"],"state_sha256":"b716fc8fe06e45f82377f6f486684546305db4fb359943fb56f4e1ee8ac2f0e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/C0Y6gTXjjj6Pbd2js5KjRc68A2H6i5XPoUZLG/sWY51VfucDxOdvIfWOM/amtMxMX5usGBCJbu+5AdvdYMDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-15T22:47:12.048220Z","bundle_sha256":"7225658ada6fe573ee514f2ac70e8d3d26caf21d9178a7b10159854fd6e1d5f3"}}