{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:UYCF7O5PNSGT7YFQZM6Z53YEXV","short_pith_number":"pith:UYCF7O5P","canonical_record":{"source":{"id":"1906.02691","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-06-06T16:35:38Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"5a92bc53e791e05aa177bcbc2864412913ce6261868a690bb6834a36b8753589","abstract_canon_sha256":"be2f32fff60c9074db8c6c0439968cea62733b470d8c7ca6e9874560470782c6"},"schema_version":"1.0"},"canonical_sha256":"a6045fbbaf6c8d3fe0b0cb3d9eef04bd59e694a6fe84a2610e0998dacc97a95f","source":{"kind":"arxiv","id":"1906.02691","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02691","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02691v3","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02691","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"UYCF7O5PNSGT","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_16","alias_value":"UYCF7O5PNSGT7YFQ","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_8","alias_value":"UYCF7O5P","created_at":"2026-07-05T00:25:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:UYCF7O5PNSGT7YFQZM6Z53YEXV","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02691","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-06-06T16:35:38Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"5a92bc53e791e05aa177bcbc2864412913ce6261868a690bb6834a36b8753589","abstract_canon_sha256":"be2f32fff60c9074db8c6c0439968cea62733b470d8c7ca6e9874560470782c6"},"schema_version":"1.0"},"canonical_sha256":"a6045fbbaf6c8d3fe0b0cb3d9eef04bd59e694a6fe84a2610e0998dacc97a95f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:25:27.061055Z","signature_b64":"POTXhEDFSUwfJq1INj7N09Jc+EM2BtaQJCkKIuOZgzkne2qJ6ZtKf+mymmFIsNbtxTGthMADUbrlTACk9MqdCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6045fbbaf6c8d3fe0b0cb3d9eef04bd59e694a6fe84a2610e0998dacc97a95f","last_reissued_at":"2026-07-05T00:25:27.060548Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:25:27.060548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02691","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":"2026-07-05T00:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"py4sxrxk0Dez0zgV/skrdKU9fsPSIOrz7Yfn/994q4dEjvC7+WFMug+N7ihZc3o2eXAom9nId4ooBHeF+Sx0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:59:54.639142Z"},"content_sha256":"5c7d838a59f3bbcb5575688eb1ad60d5e00b61269b57d06a9fd6621d4898b796","schema_version":"1.0","event_id":"sha256:5c7d838a59f3bbcb5575688eb1ad60d5e00b61269b57d06a9fd6621d4898b796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:UYCF7O5PNSGT7YFQZM6Z53YEXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Introduction to Variational Autoencoders","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Diederik P. Kingma, Max Welling","submitted_at":"2019-06-06T16:35:38Z","abstract_excerpt":"Variational autoencoders provide a principled framework for learning deep latent-variable models and corresponding inference models. In this work, we provide an introduction to variational autoencoders and some important extensions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02691","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/1906.02691/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":"2026-07-05T00:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rA+OmktO+UmCHFZEG1a4UG4qbGhtmp639u66PAqx35I8Q3EbVkWSHCvjtBxY4KyQdP7gYkae2AV5gBGWxnqSAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:59:54.639645Z"},"content_sha256":"7c75bebc72271399e66beac5f0509d7654aab83c40ceaba85191026ad55261a6","schema_version":"1.0","event_id":"sha256:7c75bebc72271399e66beac5f0509d7654aab83c40ceaba85191026ad55261a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/bundle.json","state_url":"https://pith.science/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/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":"2026-08-10T00:59:54Z","links":{"resolver":"https://pith.science/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV","bundle":"https://pith.science/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/bundle.json","state":"https://pith.science/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UYCF7O5PNSGT7YFQZM6Z53YEXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:UYCF7O5PNSGT7YFQZM6Z53YEXV","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":"be2f32fff60c9074db8c6c0439968cea62733b470d8c7ca6e9874560470782c6","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-06-06T16:35:38Z","title_canon_sha256":"5a92bc53e791e05aa177bcbc2864412913ce6261868a690bb6834a36b8753589"},"schema_version":"1.0","source":{"id":"1906.02691","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02691","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02691v3","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02691","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"UYCF7O5PNSGT","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_16","alias_value":"UYCF7O5PNSGT7YFQ","created_at":"2026-07-05T00:25:27Z"},{"alias_kind":"pith_short_8","alias_value":"UYCF7O5P","created_at":"2026-07-05T00:25:27Z"}],"graph_snapshots":[{"event_id":"sha256:7c75bebc72271399e66beac5f0509d7654aab83c40ceaba85191026ad55261a6","target":"graph","created_at":"2026-07-05T00:25:27Z","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/1906.02691/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Variational autoencoders provide a principled framework for learning deep latent-variable models and corresponding inference models. In this work, we provide an introduction to variational autoencoders and some important extensions.","authors_text":"Diederik P. Kingma, Max Welling","cross_cats":["stat.ML"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-06-06T16:35:38Z","title":"An Introduction to Variational Autoencoders"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02691","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":"sha256:5c7d838a59f3bbcb5575688eb1ad60d5e00b61269b57d06a9fd6621d4898b796","target":"record","created_at":"2026-07-05T00:25:27Z","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":"be2f32fff60c9074db8c6c0439968cea62733b470d8c7ca6e9874560470782c6","cross_cats_sorted":["stat.ML"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2019-06-06T16:35:38Z","title_canon_sha256":"5a92bc53e791e05aa177bcbc2864412913ce6261868a690bb6834a36b8753589"},"schema_version":"1.0","source":{"id":"1906.02691","kind":"arxiv","version":3}},"canonical_sha256":"a6045fbbaf6c8d3fe0b0cb3d9eef04bd59e694a6fe84a2610e0998dacc97a95f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6045fbbaf6c8d3fe0b0cb3d9eef04bd59e694a6fe84a2610e0998dacc97a95f","first_computed_at":"2026-07-05T00:25:27.060548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:25:27.060548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"POTXhEDFSUwfJq1INj7N09Jc+EM2BtaQJCkKIuOZgzkne2qJ6ZtKf+mymmFIsNbtxTGthMADUbrlTACk9MqdCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:25:27.061055Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02691","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c7d838a59f3bbcb5575688eb1ad60d5e00b61269b57d06a9fd6621d4898b796","sha256:7c75bebc72271399e66beac5f0509d7654aab83c40ceaba85191026ad55261a6"],"state_sha256":"260181d2eb5aa4601d54329059331cac142ee6e0824f2f207377f40b2b465d50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oeJITDxjVHmx7EbxjLYpSHNHKZaMOLwOtGOs6Xhua8SO/tcB/PaltNDHJBG8XEvV/NhYBWCQ+aJoPyTybvYiDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T00:59:54.643399Z","bundle_sha256":"1cc71e807188696e36adfdaf5f45e767199c423068e79d2cd3f7f09dbe3e7270"}}