{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:N4LET3UVAKESM4OPE67MHHBLOZ","short_pith_number":"pith:N4LET3UV","canonical_record":{"source":{"id":"1612.04333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-13T20:00:35Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"ff7bc50381e5f0bf3a4c5d0d0078db33f1f2b1952d6c6108c8564c68930d9ce0","abstract_canon_sha256":"40ab23068320bda6f580717297131388eccc66833401e0ee35b8ed99d4fa2e2a"},"schema_version":"1.0"},"canonical_sha256":"6f1649ee9502892671cf27bec39c2b766ac08c770321a2a7d9f44c2152842280","source":{"kind":"arxiv","id":"1612.04333","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04333","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04333v1","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04333","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"pith_short_12","alias_value":"N4LET3UVAKES","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4LET3UVAKESM4OP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4LET3UV","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:N4LET3UVAKESM4OPE67MHHBLOZ","target":"record","payload":{"canonical_record":{"source":{"id":"1612.04333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-13T20:00:35Z","cross_cats_sorted":["hep-ex"],"title_canon_sha256":"ff7bc50381e5f0bf3a4c5d0d0078db33f1f2b1952d6c6108c8564c68930d9ce0","abstract_canon_sha256":"40ab23068320bda6f580717297131388eccc66833401e0ee35b8ed99d4fa2e2a"},"schema_version":"1.0"},"canonical_sha256":"6f1649ee9502892671cf27bec39c2b766ac08c770321a2a7d9f44c2152842280","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:55.209758Z","signature_b64":"QUsVMfi/lZyuDO24BWZZQgzf2fpFTjHxzEBZY0jRjfsFO9n5hCVfM28ewweev73G5GKCvC+zL0hv5qbQ5j2SBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f1649ee9502892671cf27bec39c2b766ac08c770321a2a7d9f44c2152842280","last_reissued_at":"2026-05-18T00:42:55.209030Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:55.209030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.04333","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:42:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+/iENwah8ajh+kvE1ssFFxvQ+MCateWBIv5PJUMLsbyyTDqWUd4otP+OrJ77W1mfiIgw9QaPrwj7OpTOBq45AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:01:36.944921Z"},"content_sha256":"ca120e6979540c1f91ed46b9e55647e8177ea1d2a07fa5bbb2f81b4c4a44023c","schema_version":"1.0","event_id":"sha256:ca120e6979540c1f91ed46b9e55647e8177ea1d2a07fa5bbb2f81b4c4a44023c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:N4LET3UVAKESM4OPE67MHHBLOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct photon production at next-to-next-to-leading order","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex"],"primary_cat":"hep-ph","authors_text":"Ciaran Williams, John M. Campbell, R. Keith Ellis","submitted_at":"2016-12-13T20:00:35Z","abstract_excerpt":"We present the first calculation of direct photon production at next-to-next-to leading order (NNLO) accuracy in QCD. For this process, although the final state cuts mandate only the presence of a single electroweak boson, the underlying kinematics resembles that of a generic vector boson plus jet topology. In order to regulate the infrared singularities present at this order we use the $N$-jettiness slicing procedure, applied for the first time to a final state that at Born level includes colored partons but no required jet. We compare our predictions to ATLAS 8 TeV data and find that the inc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04333","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:42:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZpNohU+J2uUxp76ibdk8ZYEbcXASkpPl4VmY+Y94/x94Y73lbGWpO2/AbVIpISK5fkcj4CvUr29bK9fIh3WbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:01:36.945269Z"},"content_sha256":"29917ae66d7b201c48aaf327136c5c8b148d7708fd703a10b8348e96f9f977d6","schema_version":"1.0","event_id":"sha256:29917ae66d7b201c48aaf327136c5c8b148d7708fd703a10b8348e96f9f977d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4LET3UVAKESM4OPE67MHHBLOZ/bundle.json","state_url":"https://pith.science/pith/N4LET3UVAKESM4OPE67MHHBLOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4LET3UVAKESM4OPE67MHHBLOZ/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":"2026-06-01T20:01:36Z","links":{"resolver":"https://pith.science/pith/N4LET3UVAKESM4OPE67MHHBLOZ","bundle":"https://pith.science/pith/N4LET3UVAKESM4OPE67MHHBLOZ/bundle.json","state":"https://pith.science/pith/N4LET3UVAKESM4OPE67MHHBLOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4LET3UVAKESM4OPE67MHHBLOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:N4LET3UVAKESM4OPE67MHHBLOZ","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":"40ab23068320bda6f580717297131388eccc66833401e0ee35b8ed99d4fa2e2a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-13T20:00:35Z","title_canon_sha256":"ff7bc50381e5f0bf3a4c5d0d0078db33f1f2b1952d6c6108c8564c68930d9ce0"},"schema_version":"1.0","source":{"id":"1612.04333","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.04333","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"arxiv_version","alias_value":"1612.04333v1","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04333","created_at":"2026-05-18T00:42:55Z"},{"alias_kind":"pith_short_12","alias_value":"N4LET3UVAKES","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4LET3UVAKESM4OP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4LET3UV","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:29917ae66d7b201c48aaf327136c5c8b148d7708fd703a10b8348e96f9f977d6","target":"graph","created_at":"2026-05-18T00:42:55Z","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":"We present the first calculation of direct photon production at next-to-next-to leading order (NNLO) accuracy in QCD. For this process, although the final state cuts mandate only the presence of a single electroweak boson, the underlying kinematics resembles that of a generic vector boson plus jet topology. In order to regulate the infrared singularities present at this order we use the $N$-jettiness slicing procedure, applied for the first time to a final state that at Born level includes colored partons but no required jet. We compare our predictions to ATLAS 8 TeV data and find that the inc","authors_text":"Ciaran Williams, John M. Campbell, R. Keith Ellis","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-13T20:00:35Z","title":"Direct photon production at next-to-next-to-leading order"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04333","kind":"arxiv","version":1},"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:ca120e6979540c1f91ed46b9e55647e8177ea1d2a07fa5bbb2f81b4c4a44023c","target":"record","created_at":"2026-05-18T00:42:55Z","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":"40ab23068320bda6f580717297131388eccc66833401e0ee35b8ed99d4fa2e2a","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2016-12-13T20:00:35Z","title_canon_sha256":"ff7bc50381e5f0bf3a4c5d0d0078db33f1f2b1952d6c6108c8564c68930d9ce0"},"schema_version":"1.0","source":{"id":"1612.04333","kind":"arxiv","version":1}},"canonical_sha256":"6f1649ee9502892671cf27bec39c2b766ac08c770321a2a7d9f44c2152842280","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f1649ee9502892671cf27bec39c2b766ac08c770321a2a7d9f44c2152842280","first_computed_at":"2026-05-18T00:42:55.209030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:55.209030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QUsVMfi/lZyuDO24BWZZQgzf2fpFTjHxzEBZY0jRjfsFO9n5hCVfM28ewweev73G5GKCvC+zL0hv5qbQ5j2SBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:55.209758Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.04333","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca120e6979540c1f91ed46b9e55647e8177ea1d2a07fa5bbb2f81b4c4a44023c","sha256:29917ae66d7b201c48aaf327136c5c8b148d7708fd703a10b8348e96f9f977d6"],"state_sha256":"4250c4fb1a52d0b13933d3c8ae3c335ac47b14f7f566ef23b390d99157145bb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dq8d1f+lcOBk82a/Ej5XBQ15rxnxnYQ1zHB3DgAnfxAmkGEUcekKQWB/Okfe9G4nnsxi36YBemCMb41KJPyqBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:01:36.947222Z","bundle_sha256":"bea7e5621c3be0e5dcfbca49c87db0cb4862a4171ec114fa290b500f3c20a910"}}