{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:GN2IA625JBTHZGJAGJUGEXXUAH","short_pith_number":"pith:GN2IA625","canonical_record":{"source":{"id":"1907.02345","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-07-04T11:59:06Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"412a102429d99d807ca82afc94754b1c476b02278fc95d6ced749d4c60f70c83","abstract_canon_sha256":"767c45639f25fed48794e8ee89fac66d1bf5222f7e6456698a322ddbe665ade2"},"schema_version":"1.0"},"canonical_sha256":"3374807b5d48667c99203268625ef401fa2a649b613e1ee254abf9e442265abd","source":{"kind":"arxiv","id":"1907.02345","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02345","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02345v1","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02345","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"pith_short_12","alias_value":"GN2IA625JBTH","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GN2IA625JBTHZGJA","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GN2IA625","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:GN2IA625JBTHZGJAGJUGEXXUAH","target":"record","payload":{"canonical_record":{"source":{"id":"1907.02345","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-07-04T11:59:06Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"412a102429d99d807ca82afc94754b1c476b02278fc95d6ced749d4c60f70c83","abstract_canon_sha256":"767c45639f25fed48794e8ee89fac66d1bf5222f7e6456698a322ddbe665ade2"},"schema_version":"1.0"},"canonical_sha256":"3374807b5d48667c99203268625ef401fa2a649b613e1ee254abf9e442265abd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:28.891143Z","signature_b64":"FPQpagJ52McgrHtBRqyUk3Ff/FRFraQAdyvonRGChF7BSm7kipj8ZKWEoN6/0jPQ3ZPPu28H1DZmesIl7CLWCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3374807b5d48667c99203268625ef401fa2a649b613e1ee254abf9e442265abd","last_reissued_at":"2026-05-17T23:41:28.890498Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:28.890498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.02345","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":"2026-05-17T23:41:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rcEcs0FX37KKjenwQkTP41jkN05VHt8FB/hcGCtYeSUXC9wGT9S8zKm0gDkIdHCf2Flszn/nSUvMKNV8J1KMDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:39:26.852155Z"},"content_sha256":"1979050eb1e060c6c3baa41162c3f6c2fdb2145f073550e0b42ba4be80cbbeb2","schema_version":"1.0","event_id":"sha256:1979050eb1e060c6c3baa41162c3f6c2fdb2145f073550e0b42ba4be80cbbeb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:GN2IA625JBTHZGJAGJUGEXXUAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probabilistic CCA with Implicit Distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Donna Xu, Ivor Tsang, Yaxin Shi, Yuangang Pan","submitted_at":"2019-07-04T11:59:06Z","abstract_excerpt":"Canonical Correlation Analysis (CCA) is a classic technique for multi-view data analysis. To overcome the deficiency of linear correlation in practical multi-view learning tasks, various CCA variants were proposed to capture nonlinear dependency. However, it is non-trivial to have an in-principle understanding of these variants due to their inherent restrictive assumption on the data and latent code distributions. Although some works have studied probabilistic interpretation for CCA, these models still require the explicit form of the distributions to achieve a tractable solution for the infer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02345","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":""},"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":"2026-05-17T23:41:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lLDnUJ85LBLTs1qzfsKtvT1y5hcTwMx4ztx4Y0+LUvd69jopspnoQK5GthACfSYEmzrC3YDD9xm3FQWf/lnFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T22:39:26.852822Z"},"content_sha256":"691d6d410e3ddc5206beb93d62005028d70157b57f05af31689aaccabeff1284","schema_version":"1.0","event_id":"sha256:691d6d410e3ddc5206beb93d62005028d70157b57f05af31689aaccabeff1284"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GN2IA625JBTHZGJAGJUGEXXUAH/bundle.json","state_url":"https://pith.science/pith/GN2IA625JBTHZGJAGJUGEXXUAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GN2IA625JBTHZGJAGJUGEXXUAH/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":"2026-05-27T22:39:26Z","links":{"resolver":"https://pith.science/pith/GN2IA625JBTHZGJAGJUGEXXUAH","bundle":"https://pith.science/pith/GN2IA625JBTHZGJAGJUGEXXUAH/bundle.json","state":"https://pith.science/pith/GN2IA625JBTHZGJAGJUGEXXUAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GN2IA625JBTHZGJAGJUGEXXUAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:GN2IA625JBTHZGJAGJUGEXXUAH","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":"767c45639f25fed48794e8ee89fac66d1bf5222f7e6456698a322ddbe665ade2","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-07-04T11:59:06Z","title_canon_sha256":"412a102429d99d807ca82afc94754b1c476b02278fc95d6ced749d4c60f70c83"},"schema_version":"1.0","source":{"id":"1907.02345","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02345","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02345v1","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02345","created_at":"2026-05-17T23:41:28Z"},{"alias_kind":"pith_short_12","alias_value":"GN2IA625JBTH","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"GN2IA625JBTHZGJA","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"GN2IA625","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:691d6d410e3ddc5206beb93d62005028d70157b57f05af31689aaccabeff1284","target":"graph","created_at":"2026-05-17T23:41:28Z","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"},"paper":{"abstract_excerpt":"Canonical Correlation Analysis (CCA) is a classic technique for multi-view data analysis. To overcome the deficiency of linear correlation in practical multi-view learning tasks, various CCA variants were proposed to capture nonlinear dependency. However, it is non-trivial to have an in-principle understanding of these variants due to their inherent restrictive assumption on the data and latent code distributions. Although some works have studied probabilistic interpretation for CCA, these models still require the explicit form of the distributions to achieve a tractable solution for the infer","authors_text":"Donna Xu, Ivor Tsang, Yaxin Shi, Yuangang Pan","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-07-04T11:59:06Z","title":"Probabilistic CCA with Implicit Distributions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02345","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":"sha256:1979050eb1e060c6c3baa41162c3f6c2fdb2145f073550e0b42ba4be80cbbeb2","target":"record","created_at":"2026-05-17T23:41:28Z","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":"767c45639f25fed48794e8ee89fac66d1bf5222f7e6456698a322ddbe665ade2","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-07-04T11:59:06Z","title_canon_sha256":"412a102429d99d807ca82afc94754b1c476b02278fc95d6ced749d4c60f70c83"},"schema_version":"1.0","source":{"id":"1907.02345","kind":"arxiv","version":1}},"canonical_sha256":"3374807b5d48667c99203268625ef401fa2a649b613e1ee254abf9e442265abd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3374807b5d48667c99203268625ef401fa2a649b613e1ee254abf9e442265abd","first_computed_at":"2026-05-17T23:41:28.890498Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:28.890498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FPQpagJ52McgrHtBRqyUk3Ff/FRFraQAdyvonRGChF7BSm7kipj8ZKWEoN6/0jPQ3ZPPu28H1DZmesIl7CLWCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:28.891143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.02345","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1979050eb1e060c6c3baa41162c3f6c2fdb2145f073550e0b42ba4be80cbbeb2","sha256:691d6d410e3ddc5206beb93d62005028d70157b57f05af31689aaccabeff1284"],"state_sha256":"c226b271326834431161815c6cf9fa1c1599730e0ba238d8dc021d0d8906f3c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"88kpLJkm2/4/dR57gh2+3nLT9tWCzolCWtKjAP9JR0A/7vcW6iQEJddbHm8S6DKIWvqkgg4T8OWVIJea+4RkBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T22:39:26.856275Z","bundle_sha256":"9cf6362840b57ae62e3fbd48f84e424de3670a75ec47d744b75aca5a85de05e6"}}