{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ZTVGUESOF3CAOR7HQZOMSAM2DA","short_pith_number":"pith:ZTVGUESO","canonical_record":{"source":{"id":"1802.06677","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-02-19T15:45:36Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ce6b8fb6e0b6b7a78775ebd291604b95a5fb630ebc6691c5e366c83b5fa28d2e","abstract_canon_sha256":"eaeaf7f2424393969b7ee799fd2ab132a9c19768c0a4ca7a95de88e16dfb27de"},"schema_version":"1.0"},"canonical_sha256":"ccea6a124e2ec40747e7865cc9019a18151a60c074257c12ad7965b12b22f5bc","source":{"kind":"arxiv","id":"1802.06677","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06677","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06677v3","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06677","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"pith_short_12","alias_value":"ZTVGUESOF3CA","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZTVGUESOF3CAOR7H","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZTVGUESO","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ZTVGUESOF3CAOR7HQZOMSAM2DA","target":"record","payload":{"canonical_record":{"source":{"id":"1802.06677","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-02-19T15:45:36Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ce6b8fb6e0b6b7a78775ebd291604b95a5fb630ebc6691c5e366c83b5fa28d2e","abstract_canon_sha256":"eaeaf7f2424393969b7ee799fd2ab132a9c19768c0a4ca7a95de88e16dfb27de"},"schema_version":"1.0"},"canonical_sha256":"ccea6a124e2ec40747e7865cc9019a18151a60c074257c12ad7965b12b22f5bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:04:59.455177Z","signature_b64":"sm7a7dUD/TzKrQftS0fiKT6Ieav/UchmCjOS+ZLkQPQPlpg6b6q3u50IFEbgLNqLtmhJaApPMpBS2rV+8AsRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccea6a124e2ec40747e7865cc9019a18151a60c074257c12ad7965b12b22f5bc","last_reissued_at":"2026-05-18T00:04:59.454617Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:04:59.454617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.06677","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":"2026-05-18T00:04:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dceLkuCRvBuZ9omHH/gbKv9xcihAofHiWgOqyNOuIQovIK9m+tShHkLeZS+qphtvz0eVJ5FWBWvGqA+Qd8WgAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:55:43.511652Z"},"content_sha256":"7cd73f0fc62e8288e61ff5b487fe4bf519182aa5643cf9cc26752363cb40a52e","schema_version":"1.0","event_id":"sha256:7cd73f0fc62e8288e61ff5b487fe4bf519182aa5643cf9cc26752363cb40a52e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ZTVGUESOF3CAOR7HQZOMSAM2DA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Degeneration in VAE: in the Light of Fisher Information Loss","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"stat.ML","authors_text":"Huangjie Zheng, Ivor W. Tsang, Jiangchao Yao, Ya Zhang","submitted_at":"2018-02-19T15:45:36Z","abstract_excerpt":"While enormous progress has been made to Variational Autoencoder (VAE) in recent years, similar to other deep networks, VAE with deep networks suffers from the problem of degeneration, which seriously weakens the correlation between the input and the corresponding latent codes, deviating from the goal of the representation learning. To investigate how degeneration affects VAE from a theoretical perspective, we illustrate the information transmission in VAE and analyze the intermediate layers of the encoders/decoders. Specifically, we propose a Fisher Information measure for the layer-wise anal"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06677","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":""},"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":"2026-05-18T00:04:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPnseuRmK9mG1ULNm353Ftide5ySDSfM1Q7pc6lYDfj9QMV9MrohqFdSHIZgK09YsRv0+94uIxVgIN1NuU32Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:55:43.512336Z"},"content_sha256":"e82805936c520b1b7b32361db25c7bf47a09c4ca5c66f5715dc1fc7c9d960306","schema_version":"1.0","event_id":"sha256:e82805936c520b1b7b32361db25c7bf47a09c4ca5c66f5715dc1fc7c9d960306"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/bundle.json","state_url":"https://pith.science/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/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":"2026-05-25T17:55:43Z","links":{"resolver":"https://pith.science/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA","bundle":"https://pith.science/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/bundle.json","state":"https://pith.science/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTVGUESOF3CAOR7HQZOMSAM2DA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZTVGUESOF3CAOR7HQZOMSAM2DA","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":"eaeaf7f2424393969b7ee799fd2ab132a9c19768c0a4ca7a95de88e16dfb27de","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-02-19T15:45:36Z","title_canon_sha256":"ce6b8fb6e0b6b7a78775ebd291604b95a5fb630ebc6691c5e366c83b5fa28d2e"},"schema_version":"1.0","source":{"id":"1802.06677","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.06677","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"arxiv_version","alias_value":"1802.06677v3","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.06677","created_at":"2026-05-18T00:04:59Z"},{"alias_kind":"pith_short_12","alias_value":"ZTVGUESOF3CA","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZTVGUESOF3CAOR7H","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZTVGUESO","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:e82805936c520b1b7b32361db25c7bf47a09c4ca5c66f5715dc1fc7c9d960306","target":"graph","created_at":"2026-05-18T00:04:59Z","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":"While enormous progress has been made to Variational Autoencoder (VAE) in recent years, similar to other deep networks, VAE with deep networks suffers from the problem of degeneration, which seriously weakens the correlation between the input and the corresponding latent codes, deviating from the goal of the representation learning. To investigate how degeneration affects VAE from a theoretical perspective, we illustrate the information transmission in VAE and analyze the intermediate layers of the encoders/decoders. Specifically, we propose a Fisher Information measure for the layer-wise anal","authors_text":"Huangjie Zheng, Ivor W. Tsang, Jiangchao Yao, Ya Zhang","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-02-19T15:45:36Z","title":"Degeneration in VAE: in the Light of Fisher Information Loss"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.06677","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":"sha256:7cd73f0fc62e8288e61ff5b487fe4bf519182aa5643cf9cc26752363cb40a52e","target":"record","created_at":"2026-05-18T00:04:59Z","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":"eaeaf7f2424393969b7ee799fd2ab132a9c19768c0a4ca7a95de88e16dfb27de","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-02-19T15:45:36Z","title_canon_sha256":"ce6b8fb6e0b6b7a78775ebd291604b95a5fb630ebc6691c5e366c83b5fa28d2e"},"schema_version":"1.0","source":{"id":"1802.06677","kind":"arxiv","version":3}},"canonical_sha256":"ccea6a124e2ec40747e7865cc9019a18151a60c074257c12ad7965b12b22f5bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ccea6a124e2ec40747e7865cc9019a18151a60c074257c12ad7965b12b22f5bc","first_computed_at":"2026-05-18T00:04:59.454617Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:59.454617Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sm7a7dUD/TzKrQftS0fiKT6Ieav/UchmCjOS+ZLkQPQPlpg6b6q3u50IFEbgLNqLtmhJaApPMpBS2rV+8AsRDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:59.455177Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.06677","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7cd73f0fc62e8288e61ff5b487fe4bf519182aa5643cf9cc26752363cb40a52e","sha256:e82805936c520b1b7b32361db25c7bf47a09c4ca5c66f5715dc1fc7c9d960306"],"state_sha256":"c9fd0c60a2eb8ff50e0acc6b8dda790c6c05f1c9a368b0c46da3e36e44a6221e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MjkprywK3s/LY7ha8LpWDY+JQWwoN2YQLo8bpE8hwQmDzPqn9qshsVFwKzYdXq9uUaMPcFts9pbRSYp1B6fJCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:55:43.516893Z","bundle_sha256":"2918b82fae9a8814df021536108fd30a6db38b7ab9fdb9a827fa0b939214c9af"}}