{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:YERYEB3TRXLLA64EDR6QJSDC7X","short_pith_number":"pith:YERYEB3T","canonical_record":{"source":{"id":"2210.12192","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-10-21T18:40:32Z","cross_cats_sorted":[],"title_canon_sha256":"ee18419cefa82313ce3b04a30f03af7ee2e5da49a35cc0f6469c7a1ca6a9ddc3","abstract_canon_sha256":"17932d6e6af9a7309a8a6208fa51fd1dc692b82e6567ba9b818f4f919cb2fb7a"},"schema_version":"1.0"},"canonical_sha256":"c1238207738dd6b07b841c7d04c862fde372fe0dff08187bf0143208dfd2e355","source":{"kind":"arxiv","id":"2210.12192","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12192","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12192v1","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12192","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_12","alias_value":"YERYEB3TRXLL","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_16","alias_value":"YERYEB3TRXLLA64E","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_8","alias_value":"YERYEB3T","created_at":"2026-07-05T05:09:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:YERYEB3TRXLLA64EDR6QJSDC7X","target":"record","payload":{"canonical_record":{"source":{"id":"2210.12192","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-10-21T18:40:32Z","cross_cats_sorted":[],"title_canon_sha256":"ee18419cefa82313ce3b04a30f03af7ee2e5da49a35cc0f6469c7a1ca6a9ddc3","abstract_canon_sha256":"17932d6e6af9a7309a8a6208fa51fd1dc692b82e6567ba9b818f4f919cb2fb7a"},"schema_version":"1.0"},"canonical_sha256":"c1238207738dd6b07b841c7d04c862fde372fe0dff08187bf0143208dfd2e355","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:09:24.693502Z","signature_b64":"+NlUqfHUqvHb259U+iu4XmSFyjXYPi0yaftmpV2PqUbOVifWigbcexv9OkKgoa7IVqhLE/EVZdSYFI5J/w9fCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1238207738dd6b07b841c7d04c862fde372fe0dff08187bf0143208dfd2e355","last_reissued_at":"2026-07-05T05:09:24.693075Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:09:24.693075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.12192","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":"2026-07-05T05:09:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Ju/JAepglZ6LhKQ7C/y241uWx7on52yk5NRJQxRxx/g5dKH9lWw3PPQwI50BO01B6NRpm6tzd9eYCUPmivxBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:19:51.082001Z"},"content_sha256":"7ee45240af246ff52d00affcff44d7eeec8f21cbe5932318c1ce91e953b411fc","schema_version":"1.0","event_id":"sha256:7ee45240af246ff52d00affcff44d7eeec8f21cbe5932318c1ce91e953b411fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:YERYEB3TRXLLA64EDR6QJSDC7X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Conditional Diffusion with Less Explicit Guidance via Model Predictive Control","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Alex Tseng, Andreas Loukas, Ehsan Hajiramezanali, Gabriele Scalia, Max W. Shen, Nathaniel Diamant, Tommaso Biancalani","submitted_at":"2022-10-21T18:40:32Z","abstract_excerpt":"How much explicit guidance is necessary for conditional diffusion? We consider the problem of conditional sampling using an unconditional diffusion model and limited explicit guidance (e.g., a noised classifier, or a conditional diffusion model) that is restricted to a small number of time steps. We explore a model predictive control (MPC)-like approach to approximate guidance by simulating unconditional diffusion forward, and backpropagating explicit guidance feedback. MPC-approximated guides have high cosine similarity to real guides, even over large simulation distances. Adding MPC steps im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12192","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/2210.12192/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":"2026-07-05T05:09:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l4/zW7BUzGUV9+8CwKaZsbWbNYxTorqe0P6FFkVL5iiYKWWM9tR1HvfC6+ZmXQBAG2GDNT3S0oPXnclIt/YWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:19:51.082391Z"},"content_sha256":"c56db1603bf83e96c6e4353dffdb6c57bae79b3184659b6066b39caddff31ab6","schema_version":"1.0","event_id":"sha256:c56db1603bf83e96c6e4353dffdb6c57bae79b3184659b6066b39caddff31ab6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YERYEB3TRXLLA64EDR6QJSDC7X/bundle.json","state_url":"https://pith.science/pith/YERYEB3TRXLLA64EDR6QJSDC7X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YERYEB3TRXLLA64EDR6QJSDC7X/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":"2026-07-06T15:19:51Z","links":{"resolver":"https://pith.science/pith/YERYEB3TRXLLA64EDR6QJSDC7X","bundle":"https://pith.science/pith/YERYEB3TRXLLA64EDR6QJSDC7X/bundle.json","state":"https://pith.science/pith/YERYEB3TRXLLA64EDR6QJSDC7X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YERYEB3TRXLLA64EDR6QJSDC7X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:YERYEB3TRXLLA64EDR6QJSDC7X","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":"17932d6e6af9a7309a8a6208fa51fd1dc692b82e6567ba9b818f4f919cb2fb7a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-10-21T18:40:32Z","title_canon_sha256":"ee18419cefa82313ce3b04a30f03af7ee2e5da49a35cc0f6469c7a1ca6a9ddc3"},"schema_version":"1.0","source":{"id":"2210.12192","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.12192","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"arxiv_version","alias_value":"2210.12192v1","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12192","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_12","alias_value":"YERYEB3TRXLL","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_16","alias_value":"YERYEB3TRXLLA64E","created_at":"2026-07-05T05:09:24Z"},{"alias_kind":"pith_short_8","alias_value":"YERYEB3T","created_at":"2026-07-05T05:09:24Z"}],"graph_snapshots":[{"event_id":"sha256:c56db1603bf83e96c6e4353dffdb6c57bae79b3184659b6066b39caddff31ab6","target":"graph","created_at":"2026-07-05T05:09:24Z","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/2210.12192/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"How much explicit guidance is necessary for conditional diffusion? We consider the problem of conditional sampling using an unconditional diffusion model and limited explicit guidance (e.g., a noised classifier, or a conditional diffusion model) that is restricted to a small number of time steps. We explore a model predictive control (MPC)-like approach to approximate guidance by simulating unconditional diffusion forward, and backpropagating explicit guidance feedback. MPC-approximated guides have high cosine similarity to real guides, even over large simulation distances. Adding MPC steps im","authors_text":"Alex Tseng, Andreas Loukas, Ehsan Hajiramezanali, Gabriele Scalia, Max W. Shen, Nathaniel Diamant, Tommaso Biancalani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-10-21T18:40:32Z","title":"Conditional Diffusion with Less Explicit Guidance via Model Predictive Control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12192","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":"sha256:7ee45240af246ff52d00affcff44d7eeec8f21cbe5932318c1ce91e953b411fc","target":"record","created_at":"2026-07-05T05:09:24Z","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":"17932d6e6af9a7309a8a6208fa51fd1dc692b82e6567ba9b818f4f919cb2fb7a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2022-10-21T18:40:32Z","title_canon_sha256":"ee18419cefa82313ce3b04a30f03af7ee2e5da49a35cc0f6469c7a1ca6a9ddc3"},"schema_version":"1.0","source":{"id":"2210.12192","kind":"arxiv","version":1}},"canonical_sha256":"c1238207738dd6b07b841c7d04c862fde372fe0dff08187bf0143208dfd2e355","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1238207738dd6b07b841c7d04c862fde372fe0dff08187bf0143208dfd2e355","first_computed_at":"2026-07-05T05:09:24.693075Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:09:24.693075Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+NlUqfHUqvHb259U+iu4XmSFyjXYPi0yaftmpV2PqUbOVifWigbcexv9OkKgoa7IVqhLE/EVZdSYFI5J/w9fCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:09:24.693502Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.12192","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ee45240af246ff52d00affcff44d7eeec8f21cbe5932318c1ce91e953b411fc","sha256:c56db1603bf83e96c6e4353dffdb6c57bae79b3184659b6066b39caddff31ab6"],"state_sha256":"2b1bd1a2d2d0568e95b10ec6d4c6edb2130cfd0add83f8b7415bbbb90fb461d2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxMaVBSmQVxC0f/UXuOuwJrAvvrvPlDo1mFn3zn8Rj3xjiWO2z4PvQj+DZUJo1xN29BXqOO9neapkGZYZV0ZAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:19:51.084351Z","bundle_sha256":"b9778753418faa03f376d94ed47bd7f7ed7055144f9c260deec61ec08f572c5b"}}