{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2X2J5YXFLQMOB67SQN4NFEA4N3","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":"2d2a0f2f7bb0e193c7c70ec8d7f172d021194b792b3226c96bb4b72609e5257d","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-10-05T16:54:18Z","title_canon_sha256":"16f7483f620ac65dab9a2cd062f33dccbd09da930f31fc6b860a69eb89ca1746"},"schema_version":"1.0","source":{"id":"1810.02789","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.02789","created_at":"2026-05-17T23:51:09Z"},{"alias_kind":"arxiv_version","alias_value":"1810.02789v2","created_at":"2026-05-17T23:51:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.02789","created_at":"2026-05-17T23:51:09Z"},{"alias_kind":"pith_short_12","alias_value":"2X2J5YXFLQMO","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2X2J5YXFLQMOB67S","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2X2J5YXF","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:6eefbc23cc8b3c61ab146f4aed799e58eafafd4ec93fa6d38ce5da3c974620ea","target":"graph","created_at":"2026-05-17T23:51:09Z","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":"We extend the existing framework of semi-implicit variational inference (SIVI) and introduce doubly semi-implicit variational inference (DSIVI), a way to perform variational inference and learning when both the approximate posterior and the prior distribution are semi-implicit. In other words, DSIVI performs inference in models where the prior and the posterior can be expressed as an intractable infinite mixture of some analytic density with a highly flexible implicit mixing distribution. We provide a sandwich bound on the evidence lower bound (ELBO) objective that can be made arbitrarily tigh","authors_text":"Artem Sobolev, Dmitry Molchanov, Dmitry Vetrov, Valery Kharitonov","cross_cats":["cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-10-05T16:54:18Z","title":"Doubly Semi-Implicit Variational Inference"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.02789","kind":"arxiv","version":2},"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":"sha256:7c3c35238248645273d26e7244c7c0c91dc363e1b2447bac81ce1862bc2f3bcd","target":"record","created_at":"2026-05-17T23:51:09Z","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":"2d2a0f2f7bb0e193c7c70ec8d7f172d021194b792b3226c96bb4b72609e5257d","cross_cats_sorted":["cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ML","submitted_at":"2018-10-05T16:54:18Z","title_canon_sha256":"16f7483f620ac65dab9a2cd062f33dccbd09da930f31fc6b860a69eb89ca1746"},"schema_version":"1.0","source":{"id":"1810.02789","kind":"arxiv","version":2}},"canonical_sha256":"d5f49ee2e55c18e0fbf28378d2901c6ec2bff805fb62b4c3e3234e8cf67be825","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5f49ee2e55c18e0fbf28378d2901c6ec2bff805fb62b4c3e3234e8cf67be825","first_computed_at":"2026-05-17T23:51:09.576427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:09.576427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mwnob+mtw3CGc5VLQq2tGHvxI2qHG5hOcqnoPTYXtnS0uO/U6k0/+VZhfRfLY2IJ9ZpIOd3XrrPr9ZUdaCDxAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:09.577088Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.02789","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c3c35238248645273d26e7244c7c0c91dc363e1b2447bac81ce1862bc2f3bcd","sha256:6eefbc23cc8b3c61ab146f4aed799e58eafafd4ec93fa6d38ce5da3c974620ea"],"state_sha256":"e1a97db13cf15f9d7817cf2999526e81b71153ae1a6d94b87656d6458cd0c978"}