{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:PZCRMMGLIXMU6MTUSXYDOLQG4D","short_pith_number":"pith:PZCRMMGL","schema_version":"1.0","canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","source":{"kind":"arxiv","id":"2108.07133","version":2},"attestation_state":"computed","paper":{"title":"Towards NNLO+PS Matching with Sector Showers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Christian T Preuss, Hai Tao Li, John M Campbell, Peter Skands, Stefan H\\\"oche","submitted_at":"2021-08-16T15:07:12Z","abstract_excerpt":"We outline a new technique for the fully-differential matching of final-state parton showers to NNLO calculations, focussing here on the simplest case of leptonic collisions with two final-state jets. The strategy is facilitated by working in the antenna formalism, making use of NNLO antenna subtraction on the fixed-order side and the sector-antenna framework on the shower side. As long as the combined real-virtual and double-real corrections do not overcompensate the real-emission term in the three-jet region, negative weights can be eliminated from the matching scheme. We describe the implem"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2108.07133","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-08-16T15:07:12Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"69e957796ce97b8ad30e366066ec588c0e7eeba21c472c579e6df38378f31526","abstract_canon_sha256":"1c2ee7552ccb8e9cfc40ef436f9c011fe5649513f3b7810cdc39cec50659a521"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:26:33.927563Z","signature_b64":"cZo+fUMe28/XMWij+QPWSFsFRkDk4M2AjH099bb9OaLH3s50fPyoHmF/hpMYtQwVyzRveaac7/4SQY7/MvVkAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","last_reissued_at":"2026-07-05T05:26:33.927145Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:26:33.927145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards NNLO+PS Matching with Sector Showers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Christian T Preuss, Hai Tao Li, John M Campbell, Peter Skands, Stefan H\\\"oche","submitted_at":"2021-08-16T15:07:12Z","abstract_excerpt":"We outline a new technique for the fully-differential matching of final-state parton showers to NNLO calculations, focussing here on the simplest case of leptonic collisions with two final-state jets. The strategy is facilitated by working in the antenna formalism, making use of NNLO antenna subtraction on the fixed-order side and the sector-antenna framework on the shower side. As long as the combined real-virtual and double-real corrections do not overcompensate the real-emission term in the three-jet region, negative weights can be eliminated from the matching scheme. We describe the implem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.07133","kind":"arxiv","version":2},"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/2108.07133/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2108.07133","created_at":"2026-07-05T05:26:33.927208+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.07133v2","created_at":"2026-07-05T05:26:33.927208+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.07133","created_at":"2026-07-05T05:26:33.927208+00:00"},{"alias_kind":"pith_short_12","alias_value":"PZCRMMGLIXMU","created_at":"2026-07-05T05:26:33.927208+00:00"},{"alias_kind":"pith_short_16","alias_value":"PZCRMMGLIXMU6MTU","created_at":"2026-07-05T05:26:33.927208+00:00"},{"alias_kind":"pith_short_8","alias_value":"PZCRMMGL","created_at":"2026-07-05T05:26:33.927208+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.26247","citing_title":"Double-real corrections to color singlet decay in a parton-shower inspired scheme","ref_index":58,"is_internal_anchor":false},{"citing_arxiv_id":"2203.11601","citing_title":"A comprehensive guide to the physics and usage of PYTHIA 8.3","ref_index":188,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D","json":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D.json","graph_json":"https://pith.science/api/pith-number/PZCRMMGLIXMU6MTUSXYDOLQG4D/graph.json","events_json":"https://pith.science/api/pith-number/PZCRMMGLIXMU6MTUSXYDOLQG4D/events.json","paper":"https://pith.science/paper/PZCRMMGL"},"agent_actions":{"view_html":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D","download_json":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D.json","view_paper":"https://pith.science/paper/PZCRMMGL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.07133&json=true","fetch_graph":"https://pith.science/api/pith-number/PZCRMMGLIXMU6MTUSXYDOLQG4D/graph.json","fetch_events":"https://pith.science/api/pith-number/PZCRMMGLIXMU6MTUSXYDOLQG4D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/action/storage_attestation","attest_author":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/action/author_attestation","sign_citation":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/action/citation_signature","submit_replication":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/action/replication_record"}},"created_at":"2026-07-05T05:26:33.927208+00:00","updated_at":"2026-07-05T05:26:33.927208+00:00"}