{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DIX2ZTZKW7GLF73QAFELWV35XV","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":"9b0319f3a77651dbda7b73b2cb6ba0791b72e1b44b380d2374c06ac401cfcfcc","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-03-08T20:25:25Z","title_canon_sha256":"8b78f40043e04c4ec501e6db4671ae55ef87404065cd9043035359db7fe1dedf"},"schema_version":"1.0","source":{"id":"1603.02663","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02663","created_at":"2026-07-05T03:13:59Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02663v3","created_at":"2026-07-05T03:13:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02663","created_at":"2026-07-05T03:13:59Z"},{"alias_kind":"pith_short_12","alias_value":"DIX2ZTZKW7GL","created_at":"2026-07-05T03:13:59Z"},{"alias_kind":"pith_short_16","alias_value":"DIX2ZTZKW7GLF73Q","created_at":"2026-07-05T03:13:59Z"},{"alias_kind":"pith_short_8","alias_value":"DIX2ZTZK","created_at":"2026-07-05T03:13:59Z"}],"graph_snapshots":[{"event_id":"sha256:b126d7af50fc95c7b668329f212a3954a4a4cbf7ea0d74ce3e82e60710de5f9c","target":"graph","created_at":"2026-07-05T03:13:59Z","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/1603.02663/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we present a next-to-next-to-leading order (NNLO) calculation of the process $pp\\rightarrow \\gamma\\gamma$ that we have implemented into the parton level Monte Carlo code MCFM. We do not find agreement with the previous calculation of this process in the literature. In addition to the $\\mathcal{O}(\\alpha_s^2)$ corrections present at NNLO, we include some effects arising at $\\mathcal{O}(\\alpha_s^3)$, namely those associated with gluon-initiated closed fermion loops. We investigate the role of this process in the context of studies of QCD at colliders and as a background for searche","authors_text":"Ciaran Williams, John M. Campbell, R. Keith Ellis, Ye Li","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-03-08T20:25:25Z","title":"Predictions for diphoton production at the LHC through NNLO in QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02663","kind":"arxiv","version":3},"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:a539b9feb48003ae3757119478a722275546a7f789383ec046078712aa2364ef","target":"record","created_at":"2026-07-05T03:13:59Z","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":"9b0319f3a77651dbda7b73b2cb6ba0791b72e1b44b380d2374c06ac401cfcfcc","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-03-08T20:25:25Z","title_canon_sha256":"8b78f40043e04c4ec501e6db4671ae55ef87404065cd9043035359db7fe1dedf"},"schema_version":"1.0","source":{"id":"1603.02663","kind":"arxiv","version":3}},"canonical_sha256":"1a2faccf2ab7ccb2ff700148bb577dbd64bfa6c8dad4731084c32a9c49f22d1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a2faccf2ab7ccb2ff700148bb577dbd64bfa6c8dad4731084c32a9c49f22d1d","first_computed_at":"2026-07-05T03:13:59.591489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:13:59.591489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e+NFtJxbvi9zO/galbQZWjazCTbrljgmjZrGWRlLplsI3A4/q/5IZ56W25wdmvjAuPayyZhowp8VmRMWFqrwCw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:13:59.591977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02663","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a539b9feb48003ae3757119478a722275546a7f789383ec046078712aa2364ef","sha256:b126d7af50fc95c7b668329f212a3954a4a4cbf7ea0d74ce3e82e60710de5f9c"],"state_sha256":"dde44cbf22fee6d3d08ee684b1a7632e0e962e761c9f5d4e2d77cbdfdc99dc21"}