{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:TNXKNLKT43D6IPHAIGYIOGWFXN","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":"7c42a09492e4c43c399af0d16b8c3d0a8c191ad28078d52dc6022206ba697889","cross_cats_sorted":["hep-ex","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-12-12T19:00:05Z","title_canon_sha256":"fe37b43f22fbdc60a1182db4f1cdf50f667be1d8506133e34482f118dbed123c"},"schema_version":"1.0","source":{"id":"2212.06172","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.06172","created_at":"2026-07-05T06:56:30Z"},{"alias_kind":"arxiv_version","alias_value":"2212.06172v2","created_at":"2026-07-05T06:56:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.06172","created_at":"2026-07-05T06:56:30Z"},{"alias_kind":"pith_short_12","alias_value":"TNXKNLKT43D6","created_at":"2026-07-05T06:56:30Z"},{"alias_kind":"pith_short_16","alias_value":"TNXKNLKT43D6IPHA","created_at":"2026-07-05T06:56:30Z"},{"alias_kind":"pith_short_8","alias_value":"TNXKNLKT","created_at":"2026-07-05T06:56:30Z"}],"graph_snapshots":[{"event_id":"sha256:804c988245e19f0cae82b057a8c9ab8a7b6697bddcc4db6140b9375f6805304a","target":"graph","created_at":"2026-07-05T06:56:30Z","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/2212.06172/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Theory predictions for the LHC require precise numerical phase-space integration and generation of unweighted events. We combine machine-learned multi-channel weights with a normalizing flow for importance sampling, to improve classical methods for numerical integration. We develop an efficient bi-directional setup based on an invertible network, combining online and buffered training for potentially expensive integrands. We illustrate our method for the Drell-Yan process with an additional narrow resonance.","authors_text":"Anja Butter, Claudius Krause, Fabio Maltoni, Joshua Isaacson, Olivier Mattelaer, Ramon Winterhalder, Theo Heimel, Tilman Plehn","cross_cats":["hep-ex","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-12-12T19:00:05Z","title":"MadNIS -- Neural Multi-Channel Importance Sampling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.06172","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":"sha256:447d04f9b87a3707f2c1d610205ab5931e04cd88118bd53d89fdc1c85c085d1b","target":"record","created_at":"2026-07-05T06:56:30Z","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":"7c42a09492e4c43c399af0d16b8c3d0a8c191ad28078d52dc6022206ba697889","cross_cats_sorted":["hep-ex","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2022-12-12T19:00:05Z","title_canon_sha256":"fe37b43f22fbdc60a1182db4f1cdf50f667be1d8506133e34482f118dbed123c"},"schema_version":"1.0","source":{"id":"2212.06172","kind":"arxiv","version":2}},"canonical_sha256":"9b6ea6ad53e6c7e43ce041b0871ac5bb5329664b53862e5518384013d83c298e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b6ea6ad53e6c7e43ce041b0871ac5bb5329664b53862e5518384013d83c298e","first_computed_at":"2026-07-05T06:56:30.789718Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:56:30.789718Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kcwm71WYvO3QR+72DbDk7bUo70Q2ImiSX5h6ffDvqZI9mVOZo7Bo8T1jRM+SjxsfL99kSspZrVubGAo+/1RSBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:56:30.790194Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.06172","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:447d04f9b87a3707f2c1d610205ab5931e04cd88118bd53d89fdc1c85c085d1b","sha256:804c988245e19f0cae82b057a8c9ab8a7b6697bddcc4db6140b9375f6805304a"],"state_sha256":"cd70433e42d32df69ea6aeffcd31a2ab3cf9f2bbaf0b598fd7466d5a90e93aa7"}