{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:STAD6ZEB54LDSUCNXLBAH55XL6","short_pith_number":"pith:STAD6ZEB","canonical_record":{"source":{"id":"2412.08824","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2024-12-11T23:54:08Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"7fce94fe9e0720347c812516272d7ebe65767c4a380fdc28e2042aa8d129e644","abstract_canon_sha256":"fcd170e9b028e42914b74baf4b477eedb0e1a1a8557bbde1f7649eb4831d3cfe"},"schema_version":"1.0"},"canonical_sha256":"94c03f6481ef1639504dbac203f7b75fbb7ffdf119a03adc14ef4170716ddc7b","source":{"kind":"arxiv","id":"2412.08824","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.08824","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"arxiv_version","alias_value":"2412.08824v1","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.08824","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_12","alias_value":"STAD6ZEB54LD","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_16","alias_value":"STAD6ZEB54LDSUCN","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_8","alias_value":"STAD6ZEB","created_at":"2026-07-05T09:48:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:STAD6ZEB54LDSUCNXLBAH55XL6","target":"record","payload":{"canonical_record":{"source":{"id":"2412.08824","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2024-12-11T23:54:08Z","cross_cats_sorted":["stat.ML"],"title_canon_sha256":"7fce94fe9e0720347c812516272d7ebe65767c4a380fdc28e2042aa8d129e644","abstract_canon_sha256":"fcd170e9b028e42914b74baf4b477eedb0e1a1a8557bbde1f7649eb4831d3cfe"},"schema_version":"1.0"},"canonical_sha256":"94c03f6481ef1639504dbac203f7b75fbb7ffdf119a03adc14ef4170716ddc7b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:48:02.320433Z","signature_b64":"lcRF8oXA6BhJWcbW5LivM++BWBQKBYN/vf4KqQOuL/H/Zd1/JZVAoLnNhza5yNGwcDAfAxW8taqc2tYA+6aSDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94c03f6481ef1639504dbac203f7b75fbb7ffdf119a03adc14ef4170716ddc7b","last_reissued_at":"2026-07-05T09:48:02.319960Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:48:02.319960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.08824","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":"2026-07-05T09:48:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WThdW/nLDLth+OpeDO+Ef7Px1C9T/uIWZL5VzRV6xXpPidmBDhrR4+0IOwpJe8zgdXzeUPJ3SuLoZAZoF5VuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:19:22.675490Z"},"content_sha256":"603af8ea79a40337c0e79fa9d9d8c976fa52f3d916c5bf2153c333f8f72621ac","schema_version":"1.0","event_id":"sha256:603af8ea79a40337c0e79fa9d9d8c976fa52f3d916c5bf2153c333f8f72621ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:STAD6ZEB54LDSUCNXLBAH55XL6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Disentangling impact of capacity, objective, batchsize, estimators, and step-size on flow VI","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["stat.ML"],"primary_cat":"cs.LG","authors_text":"Abhinav Agrawal, Justin Domke","submitted_at":"2024-12-11T23:54:08Z","abstract_excerpt":"Normalizing flow-based variational inference (flow VI) is a promising approximate inference approach, but its performance remains inconsistent across studies. Numerous algorithmic choices influence flow VI's performance. We conduct a step-by-step analysis to disentangle the impact of some of the key factors: capacity, objectives, gradient estimators, number of gradient estimates (batchsize), and step-sizes. Each step examines one factor while neutralizing others using insights from the previous steps and/or using extensive parallel computation. To facilitate high-fidelity evaluation, we curate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.08824","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.08824/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":"2026-07-05T09:48:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IngSGRwN2dqE3DaRgLoqxvchEyKap7RNR5hFAz+M0tTFNmwRJVLsvXR7P1g+d1CP6ukYYAQl5gWPdOweglV3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:19:22.675856Z"},"content_sha256":"737980c6ba55e27f0f4662290011e26f4e62cca0d0cf115a39179aab28b66d7f","schema_version":"1.0","event_id":"sha256:737980c6ba55e27f0f4662290011e26f4e62cca0d0cf115a39179aab28b66d7f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/STAD6ZEB54LDSUCNXLBAH55XL6/bundle.json","state_url":"https://pith.science/pith/STAD6ZEB54LDSUCNXLBAH55XL6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/STAD6ZEB54LDSUCNXLBAH55XL6/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":"2026-07-07T11:19:22Z","links":{"resolver":"https://pith.science/pith/STAD6ZEB54LDSUCNXLBAH55XL6","bundle":"https://pith.science/pith/STAD6ZEB54LDSUCNXLBAH55XL6/bundle.json","state":"https://pith.science/pith/STAD6ZEB54LDSUCNXLBAH55XL6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/STAD6ZEB54LDSUCNXLBAH55XL6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:STAD6ZEB54LDSUCNXLBAH55XL6","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":"fcd170e9b028e42914b74baf4b477eedb0e1a1a8557bbde1f7649eb4831d3cfe","cross_cats_sorted":["stat.ML"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2024-12-11T23:54:08Z","title_canon_sha256":"7fce94fe9e0720347c812516272d7ebe65767c4a380fdc28e2042aa8d129e644"},"schema_version":"1.0","source":{"id":"2412.08824","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.08824","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"arxiv_version","alias_value":"2412.08824v1","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.08824","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_12","alias_value":"STAD6ZEB54LD","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_16","alias_value":"STAD6ZEB54LDSUCN","created_at":"2026-07-05T09:48:02Z"},{"alias_kind":"pith_short_8","alias_value":"STAD6ZEB","created_at":"2026-07-05T09:48:02Z"}],"graph_snapshots":[{"event_id":"sha256:737980c6ba55e27f0f4662290011e26f4e62cca0d0cf115a39179aab28b66d7f","target":"graph","created_at":"2026-07-05T09:48:02Z","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/2412.08824/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Normalizing flow-based variational inference (flow VI) is a promising approximate inference approach, but its performance remains inconsistent across studies. Numerous algorithmic choices influence flow VI's performance. We conduct a step-by-step analysis to disentangle the impact of some of the key factors: capacity, objectives, gradient estimators, number of gradient estimates (batchsize), and step-sizes. Each step examines one factor while neutralizing others using insights from the previous steps and/or using extensive parallel computation. To facilitate high-fidelity evaluation, we curate","authors_text":"Abhinav Agrawal, Justin Domke","cross_cats":["stat.ML"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2024-12-11T23:54:08Z","title":"Disentangling impact of capacity, objective, batchsize, estimators, and step-size on flow VI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.08824","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":"sha256:603af8ea79a40337c0e79fa9d9d8c976fa52f3d916c5bf2153c333f8f72621ac","target":"record","created_at":"2026-07-05T09:48:02Z","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":"fcd170e9b028e42914b74baf4b477eedb0e1a1a8557bbde1f7649eb4831d3cfe","cross_cats_sorted":["stat.ML"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2024-12-11T23:54:08Z","title_canon_sha256":"7fce94fe9e0720347c812516272d7ebe65767c4a380fdc28e2042aa8d129e644"},"schema_version":"1.0","source":{"id":"2412.08824","kind":"arxiv","version":1}},"canonical_sha256":"94c03f6481ef1639504dbac203f7b75fbb7ffdf119a03adc14ef4170716ddc7b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"94c03f6481ef1639504dbac203f7b75fbb7ffdf119a03adc14ef4170716ddc7b","first_computed_at":"2026-07-05T09:48:02.319960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:48:02.319960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lcRF8oXA6BhJWcbW5LivM++BWBQKBYN/vf4KqQOuL/H/Zd1/JZVAoLnNhza5yNGwcDAfAxW8taqc2tYA+6aSDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:48:02.320433Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.08824","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:603af8ea79a40337c0e79fa9d9d8c976fa52f3d916c5bf2153c333f8f72621ac","sha256:737980c6ba55e27f0f4662290011e26f4e62cca0d0cf115a39179aab28b66d7f"],"state_sha256":"e848d016c2fd272eef01b07dd95bc0eb3614b6395d6b0d7ea0d9393f118e75f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aAJsbkiaMdzmHR3CC4mm9cYIMnhgTbXRluCAz+xHb3W+A4MIf+67CpJspl7aCxT3h8laMxPDq61VVzVrJqNwBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:19:22.677978Z","bundle_sha256":"b0d0a097064eb2ed17b77d0ae85b0d6df27f62687ada03aedc40c4fcd42526c3"}}