{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PZCRMMGLIXMU6MTUSXYDOLQG4D","short_pith_number":"pith:PZCRMMGL","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"},"canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","source":{"kind":"arxiv","id":"2108.07133","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.07133","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"2108.07133v2","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.07133","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZCRMMGLIXMU","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_16","alias_value":"PZCRMMGLIXMU6MTU","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_8","alias_value":"PZCRMMGL","created_at":"2026-07-05T05:26:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PZCRMMGLIXMU6MTUSXYDOLQG4D","target":"record","payload":{"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"},"canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","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"},"source_kind":"arxiv","source_id":"2108.07133","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:26:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3o77jPafMxkoNLfcQXkSJbVc5L9H6uzWC9njJP7ZYSVfXDy1EKDdtAUy1+fA0y9YA9gQZM0h9P8zdI3AFHdsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T15:01:02.061942Z"},"content_sha256":"ca941d2e4b67bbd0e7986c2bcf8d6f1e987bc33b3ec8295eea52ac2923dfa628","schema_version":"1.0","event_id":"sha256:ca941d2e4b67bbd0e7986c2bcf8d6f1e987bc33b3ec8295eea52ac2923dfa628"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PZCRMMGLIXMU6MTUSXYDOLQG4D","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:26:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yf6yR+jVunE1GYTCWI7ZPSIHTV8b3FIoPAUnoQsAAkp6+p1E9OgQPmTRKQewjMXvyP1gezXdG+BMGvzIFxc+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T15:01:02.062445Z"},"content_sha256":"3cac7ec6e79e75059ec0c012d18d1300f564db6bcf906dd4035b2ddceb028c70","schema_version":"1.0","event_id":"sha256:3cac7ec6e79e75059ec0c012d18d1300f564db6bcf906dd4035b2ddceb028c70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/bundle.json","state_url":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/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":"2026-08-08T15:01:02Z","links":{"resolver":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D","bundle":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/bundle.json","state":"https://pith.science/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PZCRMMGLIXMU6MTUSXYDOLQG4D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PZCRMMGLIXMU6MTUSXYDOLQG4D","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":"1c2ee7552ccb8e9cfc40ef436f9c011fe5649513f3b7810cdc39cec50659a521","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-08-16T15:07:12Z","title_canon_sha256":"69e957796ce97b8ad30e366066ec588c0e7eeba21c472c579e6df38378f31526"},"schema_version":"1.0","source":{"id":"2108.07133","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.07133","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"arxiv_version","alias_value":"2108.07133v2","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.07133","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_12","alias_value":"PZCRMMGLIXMU","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_16","alias_value":"PZCRMMGLIXMU6MTU","created_at":"2026-07-05T05:26:33Z"},{"alias_kind":"pith_short_8","alias_value":"PZCRMMGL","created_at":"2026-07-05T05:26:33Z"}],"graph_snapshots":[{"event_id":"sha256:3cac7ec6e79e75059ec0c012d18d1300f564db6bcf906dd4035b2ddceb028c70","target":"graph","created_at":"2026-07-05T05:26:33Z","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/2108.07133/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","authors_text":"Christian T Preuss, Hai Tao Li, John M Campbell, Peter Skands, Stefan H\\\"oche","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-08-16T15:07:12Z","title":"Towards NNLO+PS Matching with Sector Showers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.07133","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:ca941d2e4b67bbd0e7986c2bcf8d6f1e987bc33b3ec8295eea52ac2923dfa628","target":"record","created_at":"2026-07-05T05:26:33Z","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":"1c2ee7552ccb8e9cfc40ef436f9c011fe5649513f3b7810cdc39cec50659a521","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-08-16T15:07:12Z","title_canon_sha256":"69e957796ce97b8ad30e366066ec588c0e7eeba21c472c579e6df38378f31526"},"schema_version":"1.0","source":{"id":"2108.07133","kind":"arxiv","version":2}},"canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e451630cb45d94f327495f0372e06e0dde6f72af8267a1a30aa4426ce891a6e","first_computed_at":"2026-07-05T05:26:33.927145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:26:33.927145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cZo+fUMe28/XMWij+QPWSFsFRkDk4M2AjH099bb9OaLH3s50fPyoHmF/hpMYtQwVyzRveaac7/4SQY7/MvVkAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:26:33.927563Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.07133","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca941d2e4b67bbd0e7986c2bcf8d6f1e987bc33b3ec8295eea52ac2923dfa628","sha256:3cac7ec6e79e75059ec0c012d18d1300f564db6bcf906dd4035b2ddceb028c70"],"state_sha256":"afb45f7555d27e9df4caa74cea25a59f316e0efd033572fad780e9e102b59505"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j118LQQoecmIwvjj27a5RaYqquhUm8hTwfBttF+IWu4Y4u1Cze70Mlc+B4CexMEiWIj80BkcIFSDhAd1DZtyBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T15:01:02.067291Z","bundle_sha256":"edf0e701e0cf1b7f743920673d02491b0c54937e29ccfb4d45852b0271433fbe"}}