{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:EMFG2WTGP7RWUOMEQOJGH2R74T","short_pith_number":"pith:EMFG2WTG","canonical_record":{"source":{"id":"2110.00048","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-30T18:56:45Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"ce44f0bbd3ab394ad100b7e3a38ef7ed101199fc3462b731b799a17bf098171f","abstract_canon_sha256":"d940de31ee3950bc94d5255fe8631ceae767f42e8695ac79c866ff244347da30"},"schema_version":"1.0"},"canonical_sha256":"230a6d5a667fe36a3984839263ea3fe4f340699bec5e31f079ca837d66b67f0c","source":{"kind":"arxiv","id":"2110.00048","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.00048","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"2110.00048v2","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.00048","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"EMFG2WTGP7RW","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_16","alias_value":"EMFG2WTGP7RWUOME","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_8","alias_value":"EMFG2WTG","created_at":"2026-07-05T03:40:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:EMFG2WTGP7RWUOMEQOJGH2R74T","target":"record","payload":{"canonical_record":{"source":{"id":"2110.00048","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-30T18:56:45Z","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"title_canon_sha256":"ce44f0bbd3ab394ad100b7e3a38ef7ed101199fc3462b731b799a17bf098171f","abstract_canon_sha256":"d940de31ee3950bc94d5255fe8631ceae767f42e8695ac79c866ff244347da30"},"schema_version":"1.0"},"canonical_sha256":"230a6d5a667fe36a3984839263ea3fe4f340699bec5e31f079ca837d66b67f0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:40:48.542282Z","signature_b64":"npekHQAQkIed0zPZT78J3KLANLy0hMTouKltSS/JtLJnkiSE8XqN3aR5b0INaENnBSfc7i+p4aIFYVbYnUE5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"230a6d5a667fe36a3984839263ea3fe4f340699bec5e31f079ca837d66b67f0c","last_reissued_at":"2026-07-05T03:40:48.541903Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:40:48.541903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.00048","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":"2026-07-05T03:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zfcejgpfSav7ykfomWGr60OA2sMpawA6k6L/jIxK0j5A1H6z1XcLPh6LWfH3sZRWtwtmKC5/gh60p6HORpJgBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:03:27.073519Z"},"content_sha256":"d48dc56059e9e59b06ef5af0262094d378dff9d618a64454727b3e2a23ca16c5","schema_version":"1.0","event_id":"sha256:d48dc56059e9e59b06ef5af0262094d378dff9d618a64454727b3e2a23ca16c5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:EMFG2WTGP7RWUOMEQOJGH2R74T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collinear factorization of diphoton photoproduction at next to leading order","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","nucl-ex","nucl-th"],"primary_cat":"hep-ph","authors_text":"Bernard Pire, Jakub Wagner, Lech Szymanowski, Oskar Grocholski, Pawe{\\l} Sznajder","submitted_at":"2021-09-30T18:56:45Z","abstract_excerpt":"We calculate in the framework of collinear factorization the amplitude for the photoproduction of a near forward large mass diphoton at leading twist and next to leading order (NLO) in $\\alpha_s$. We demonstrate the validity of factorization at this order, which was never achieved for such a reaction where the coefficient function describes a $2 \\to 3$ hard process. While the Born order amplitude was purely imaginary and only probed the $x=\\pm \\xi$ cross-over line of generalized parton distributions (GPD) domain, the NLO result contains both a real and an imaginary part and probes the whole do"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.00048","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/2110.00048/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":"2026-07-05T03:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M+lUMmY+h/EdfSncgANjiuKYjjzyvUlUy7EbjX4K7GPV/oe0W3QX3XwJr3U8wRSF8DB5z3i45Q/aqub29ikRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T07:03:27.074469Z"},"content_sha256":"4999aca9441ee56e14b0503994df53da47bb8beba43aa1a98402b3e13c6bbd65","schema_version":"1.0","event_id":"sha256:4999aca9441ee56e14b0503994df53da47bb8beba43aa1a98402b3e13c6bbd65"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/bundle.json","state_url":"https://pith.science/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/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":"2026-08-05T07:03:27Z","links":{"resolver":"https://pith.science/pith/EMFG2WTGP7RWUOMEQOJGH2R74T","bundle":"https://pith.science/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/bundle.json","state":"https://pith.science/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMFG2WTGP7RWUOMEQOJGH2R74T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:EMFG2WTGP7RWUOMEQOJGH2R74T","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":"d940de31ee3950bc94d5255fe8631ceae767f42e8695ac79c866ff244347da30","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-30T18:56:45Z","title_canon_sha256":"ce44f0bbd3ab394ad100b7e3a38ef7ed101199fc3462b731b799a17bf098171f"},"schema_version":"1.0","source":{"id":"2110.00048","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.00048","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"2110.00048v2","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.00048","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"EMFG2WTGP7RW","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_16","alias_value":"EMFG2WTGP7RWUOME","created_at":"2026-07-05T03:40:48Z"},{"alias_kind":"pith_short_8","alias_value":"EMFG2WTG","created_at":"2026-07-05T03:40:48Z"}],"graph_snapshots":[{"event_id":"sha256:4999aca9441ee56e14b0503994df53da47bb8beba43aa1a98402b3e13c6bbd65","target":"graph","created_at":"2026-07-05T03:40:48Z","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/2110.00048/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We calculate in the framework of collinear factorization the amplitude for the photoproduction of a near forward large mass diphoton at leading twist and next to leading order (NLO) in $\\alpha_s$. We demonstrate the validity of factorization at this order, which was never achieved for such a reaction where the coefficient function describes a $2 \\to 3$ hard process. While the Born order amplitude was purely imaginary and only probed the $x=\\pm \\xi$ cross-over line of generalized parton distributions (GPD) domain, the NLO result contains both a real and an imaginary part and probes the whole do","authors_text":"Bernard Pire, Jakub Wagner, Lech Szymanowski, Oskar Grocholski, Pawe{\\l} Sznajder","cross_cats":["hep-ex","nucl-ex","nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-30T18:56:45Z","title":"Collinear factorization of diphoton photoproduction at next to leading order"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.00048","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:d48dc56059e9e59b06ef5af0262094d378dff9d618a64454727b3e2a23ca16c5","target":"record","created_at":"2026-07-05T03:40:48Z","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":"d940de31ee3950bc94d5255fe8631ceae767f42e8695ac79c866ff244347da30","cross_cats_sorted":["hep-ex","nucl-ex","nucl-th"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-30T18:56:45Z","title_canon_sha256":"ce44f0bbd3ab394ad100b7e3a38ef7ed101199fc3462b731b799a17bf098171f"},"schema_version":"1.0","source":{"id":"2110.00048","kind":"arxiv","version":2}},"canonical_sha256":"230a6d5a667fe36a3984839263ea3fe4f340699bec5e31f079ca837d66b67f0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"230a6d5a667fe36a3984839263ea3fe4f340699bec5e31f079ca837d66b67f0c","first_computed_at":"2026-07-05T03:40:48.541903Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:40:48.541903Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"npekHQAQkIed0zPZT78J3KLANLy0hMTouKltSS/JtLJnkiSE8XqN3aR5b0INaENnBSfc7i+p4aIFYVbYnUE5Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:40:48.542282Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.00048","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d48dc56059e9e59b06ef5af0262094d378dff9d618a64454727b3e2a23ca16c5","sha256:4999aca9441ee56e14b0503994df53da47bb8beba43aa1a98402b3e13c6bbd65"],"state_sha256":"6a50a37816da8c94fe9453f6160c90a2ea258dc3e5a25f42c29133bda42c84c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPbeYqluAfoiTtghh2MnVoGVvgYenvL/UE99+iOp1gTYy7XllR/zxCuV/l4oWSCywSobhF+gstquHikKKZqDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T07:03:27.081531Z","bundle_sha256":"ef905014a53cc783cbdf80d6afd92a274c7ef356fc3db7c2031111468d071275"}}