{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:4SPEQAUUIFXES2234T4GNGQUWV","short_pith_number":"pith:4SPEQAUU","canonical_record":{"source":{"id":"2303.15778","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-28T07:45:10Z","cross_cats_sorted":[],"title_canon_sha256":"40e764a1b8bc1f9ffb64f42649c6a8a34f77f81a66a7939f0391717a6b89f15e","abstract_canon_sha256":"0a1fbcbf50e403b5f49d47fb69e17a2f0a9f49fdc89f2a155805dd7401ac4165"},"schema_version":"1.0"},"canonical_sha256":"e49e480294416e496b5be4f8669a14b543be15adeea9e40e9c5591446dd07130","source":{"kind":"arxiv","id":"2303.15778","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15778","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15778v2","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15778","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_12","alias_value":"4SPEQAUUIFXE","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_16","alias_value":"4SPEQAUUIFXES223","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_8","alias_value":"4SPEQAUU","created_at":"2026-07-05T07:35:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:4SPEQAUUIFXES2234T4GNGQUWV","target":"record","payload":{"canonical_record":{"source":{"id":"2303.15778","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-28T07:45:10Z","cross_cats_sorted":[],"title_canon_sha256":"40e764a1b8bc1f9ffb64f42649c6a8a34f77f81a66a7939f0391717a6b89f15e","abstract_canon_sha256":"0a1fbcbf50e403b5f49d47fb69e17a2f0a9f49fdc89f2a155805dd7401ac4165"},"schema_version":"1.0"},"canonical_sha256":"e49e480294416e496b5be4f8669a14b543be15adeea9e40e9c5591446dd07130","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:35:18.528818Z","signature_b64":"kNkL1SQo7D5E6dkRVjBRMgRTFh7rzX6d2J8YOZ+4qhjjLkeu76Fe0npqq2JePe9d7ISL6eCfZkzFQqRISgJCDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e49e480294416e496b5be4f8669a14b543be15adeea9e40e9c5591446dd07130","last_reissued_at":"2026-07-05T07:35:18.528337Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:35:18.528337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.15778","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":"2026-07-05T07:35:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eEj5yheT0d/JU2ALkURR/w+aH04nxk0ptlRYJlEynT6wuzgTbNog9yAP9dtsh912eUWH+4CbPNTa/5yferIMDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:08:11.297738Z"},"content_sha256":"8550a7241182fc00d460960310c83639fcb9a19359fc194349ad50d67070727d","schema_version":"1.0","event_id":"sha256:8550a7241182fc00d460960310c83639fcb9a19359fc194349ad50d67070727d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:4SPEQAUUIFXES2234T4GNGQUWV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HEJ 2.2: W boson pairs and Higgs boson plus jet production at high energies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Andreas Maier, Andreas Papaefstathiou, Bertrand Duclou\\'e, Conor Elrick, Graeme Nail, Hitham Hassan, Jennifer M. Smillie, Jeppe R. Andersen, J\\'er\\'emy Paltrinieri","submitted_at":"2023-03-28T07:45:10Z","abstract_excerpt":"We present version 2.2 of the High Energy Jets (HEJ) Monte Carlo event generator for hadronic scattering processes at high energies. The new version adds support for two further processes of central phenomenological interest, namely the production of a W boson pair with equal charge together with two or more jets and the production of a Higgs boson with at least one jet. Furthermore, a new prediction for charged lepton pair production with high jet multiplicities is provided in the high-energy limit. The accuracy of HEJ 2.2 can be increased further through an enhanced interface to standard pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15778","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/2303.15778/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":"2026-07-05T07:35:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ROJeco052r5JBR3uVkRL+qYB2UIevNrEHM1NGy0fPYdECfHbaGCiTsCDinZ3oPcUYPDiPSU9BXdrp3yiVd4LAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T09:08:11.298648Z"},"content_sha256":"0666b79b76065df6f84fc725656f4aa4dde082495915c3f0f082bd096ba6900e","schema_version":"1.0","event_id":"sha256:0666b79b76065df6f84fc725656f4aa4dde082495915c3f0f082bd096ba6900e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4SPEQAUUIFXES2234T4GNGQUWV/bundle.json","state_url":"https://pith.science/pith/4SPEQAUUIFXES2234T4GNGQUWV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4SPEQAUUIFXES2234T4GNGQUWV/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":"2026-08-10T09:08:11Z","links":{"resolver":"https://pith.science/pith/4SPEQAUUIFXES2234T4GNGQUWV","bundle":"https://pith.science/pith/4SPEQAUUIFXES2234T4GNGQUWV/bundle.json","state":"https://pith.science/pith/4SPEQAUUIFXES2234T4GNGQUWV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4SPEQAUUIFXES2234T4GNGQUWV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:4SPEQAUUIFXES2234T4GNGQUWV","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":"0a1fbcbf50e403b5f49d47fb69e17a2f0a9f49fdc89f2a155805dd7401ac4165","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-28T07:45:10Z","title_canon_sha256":"40e764a1b8bc1f9ffb64f42649c6a8a34f77f81a66a7939f0391717a6b89f15e"},"schema_version":"1.0","source":{"id":"2303.15778","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15778","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15778v2","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15778","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_12","alias_value":"4SPEQAUUIFXE","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_16","alias_value":"4SPEQAUUIFXES223","created_at":"2026-07-05T07:35:18Z"},{"alias_kind":"pith_short_8","alias_value":"4SPEQAUU","created_at":"2026-07-05T07:35:18Z"}],"graph_snapshots":[{"event_id":"sha256:0666b79b76065df6f84fc725656f4aa4dde082495915c3f0f082bd096ba6900e","target":"graph","created_at":"2026-07-05T07:35:18Z","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/2303.15778/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present version 2.2 of the High Energy Jets (HEJ) Monte Carlo event generator for hadronic scattering processes at high energies. The new version adds support for two further processes of central phenomenological interest, namely the production of a W boson pair with equal charge together with two or more jets and the production of a Higgs boson with at least one jet. Furthermore, a new prediction for charged lepton pair production with high jet multiplicities is provided in the high-energy limit. The accuracy of HEJ 2.2 can be increased further through an enhanced interface to standard pre","authors_text":"Andreas Maier, Andreas Papaefstathiou, Bertrand Duclou\\'e, Conor Elrick, Graeme Nail, Hitham Hassan, Jennifer M. Smillie, Jeppe R. Andersen, J\\'er\\'emy Paltrinieri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-28T07:45:10Z","title":"HEJ 2.2: W boson pairs and Higgs boson plus jet production at high energies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15778","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":"sha256:8550a7241182fc00d460960310c83639fcb9a19359fc194349ad50d67070727d","target":"record","created_at":"2026-07-05T07:35:18Z","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":"0a1fbcbf50e403b5f49d47fb69e17a2f0a9f49fdc89f2a155805dd7401ac4165","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2023-03-28T07:45:10Z","title_canon_sha256":"40e764a1b8bc1f9ffb64f42649c6a8a34f77f81a66a7939f0391717a6b89f15e"},"schema_version":"1.0","source":{"id":"2303.15778","kind":"arxiv","version":2}},"canonical_sha256":"e49e480294416e496b5be4f8669a14b543be15adeea9e40e9c5591446dd07130","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e49e480294416e496b5be4f8669a14b543be15adeea9e40e9c5591446dd07130","first_computed_at":"2026-07-05T07:35:18.528337Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:35:18.528337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kNkL1SQo7D5E6dkRVjBRMgRTFh7rzX6d2J8YOZ+4qhjjLkeu76Fe0npqq2JePe9d7ISL6eCfZkzFQqRISgJCDA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:35:18.528818Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.15778","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8550a7241182fc00d460960310c83639fcb9a19359fc194349ad50d67070727d","sha256:0666b79b76065df6f84fc725656f4aa4dde082495915c3f0f082bd096ba6900e"],"state_sha256":"85590ea1a02aeac388fce8717ca276be4ecd741982b41ab56684d15a300373a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Y7aBPaV3MaAvSj9q4f0c8/c7GEB8P7+wiKRlZ+JaxRAK9NGz7KW9VGYiUukLcrgjf4zdRRlVvpLXGzpDXe/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T09:08:11.305431Z","bundle_sha256":"46076fd5d408a0de36b637a1d02c4da4390ee6d3cc0ee8d92a260d16ae4c9d54"}}