{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VWMKXHZXCN6HQTIDK5ZIW6FRYW","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":"53a720d03d60bfd47ca3805c8ac27f182daac4e03ff05a1018cbd98897ff6a1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-08T14:35:16Z","title_canon_sha256":"38fa9d54ca70e8694eb606508f30b490971970eeeb60ceff91f51cc9751a6ad4"},"schema_version":"1.0","source":{"id":"0906.1504","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1504","created_at":"2026-05-18T03:48:02Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1504v2","created_at":"2026-05-18T03:48:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1504","created_at":"2026-05-18T03:48:02Z"},{"alias_kind":"pith_short_12","alias_value":"VWMKXHZXCN6H","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VWMKXHZXCN6HQTID","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VWMKXHZX","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:b54492b66b07d924d43feef9cbe6b390c8f7381fff0eea5b99110d4be7bd791a","target":"graph","created_at":"2026-05-18T03:48:02Z","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"},"paper":{"abstract_excerpt":"A search for events containing two or more high-transverse-momentum isolated leptons has been performed in ep collisions with the ZEUS detector at HERA using the full collected data sample, corresponding to an integrated luminosity of 480 pb^{-1}. The number of observed events has been compared with the prediction from the Standard Model, searching for possible deviations, especially for multi-lepton events with invariant mass larger than 100 GeV. Good agreement with the Standard Model has been observed. Total and differential cross sections for di-lepton production have been measured in a res","authors_text":"ZEUS Collaboration","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-08T14:35:16Z","title":"Multi-lepton production at high transverse momentum at HERA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1504","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":"sha256:6eda556e5e7921412717043a93cca694e0ab484eed74c6626a41a497bc55a816","target":"record","created_at":"2026-05-18T03:48:02Z","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":"53a720d03d60bfd47ca3805c8ac27f182daac4e03ff05a1018cbd98897ff6a1d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2009-06-08T14:35:16Z","title_canon_sha256":"38fa9d54ca70e8694eb606508f30b490971970eeeb60ceff91f51cc9751a6ad4"},"schema_version":"1.0","source":{"id":"0906.1504","kind":"arxiv","version":2}},"canonical_sha256":"ad98ab9f37137c784d0357728b78b1c5a0cd12d37778ae37461dfeced491d084","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad98ab9f37137c784d0357728b78b1c5a0cd12d37778ae37461dfeced491d084","first_computed_at":"2026-05-18T03:48:02.520891Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:02.520891Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JhC0/p6vMTsbLP0sUC+Xm8N4rU3uWnyvT2KEHo1cNdU1BXswfvtKrIZ+lLaZGxcj+68/YfyOyWewY4N9AwYiCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:02.521281Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1504","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6eda556e5e7921412717043a93cca694e0ab484eed74c6626a41a497bc55a816","sha256:b54492b66b07d924d43feef9cbe6b390c8f7381fff0eea5b99110d4be7bd791a"],"state_sha256":"5e3dd010feab56047f01663bb83306122195a853cbea4344511963df86a96877"}