{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:TYBFF4DSC55X2D3QMNJ6M2P3NI","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":"ee91edacc52c3c7d9eee3e86d3b51eb509012ac143e336b2bc2ec002872b8e3a","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T19:06:46Z","title_canon_sha256":"c0004e0d3b4f0b7768dc452f7a1258ec3a8f0caeb0da79a3ce2820b64d85c191"},"schema_version":"1.0","source":{"id":"2105.11504","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.11504","created_at":"2026-07-05T03:23:41Z"},{"alias_kind":"arxiv_version","alias_value":"2105.11504v1","created_at":"2026-07-05T03:23:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.11504","created_at":"2026-07-05T03:23:41Z"},{"alias_kind":"pith_short_12","alias_value":"TYBFF4DSC55X","created_at":"2026-07-05T03:23:41Z"},{"alias_kind":"pith_short_16","alias_value":"TYBFF4DSC55X2D3Q","created_at":"2026-07-05T03:23:41Z"},{"alias_kind":"pith_short_8","alias_value":"TYBFF4DS","created_at":"2026-07-05T03:23:41Z"}],"graph_snapshots":[{"event_id":"sha256:2f5c9773b51656308dfd5d59b81f703942951a76902cbe57b9a4da0207918e61","target":"graph","created_at":"2026-07-05T03:23:41Z","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/2105.11504/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analytically compute all four-loop QCD corrections to the photon-quark and Higgs-gluon form factors involving a closed massless fermion loop. Our calculation of non-planar vertex integrals confirms a previous conjecture for the analytical form of the non-fermionic contributions to the collinear anomalous dimensions of quarks and gluons.","authors_text":"Alexander V. Smirnov, Andreas von Manteuffel, Matthias Steinhauser, Robert M. Schabinger, Roman N. Lee, Vladimir A. Smirnov","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T19:06:46Z","title":"Fermionic corrections to quark and gluon form factors in four-loop QCD"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.11504","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":"sha256:6a84f38acbe204c1e0e9653d2ba969e0592d265d808b0d21cf45a3eb4ca66707","target":"record","created_at":"2026-07-05T03:23:41Z","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":"ee91edacc52c3c7d9eee3e86d3b51eb509012ac143e336b2bc2ec002872b8e3a","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2021-05-24T19:06:46Z","title_canon_sha256":"c0004e0d3b4f0b7768dc452f7a1258ec3a8f0caeb0da79a3ce2820b64d85c191"},"schema_version":"1.0","source":{"id":"2105.11504","kind":"arxiv","version":1}},"canonical_sha256":"9e0252f072177b7d0f706353e669fb6a02e57b6a57ce8934d1859020a4fa2519","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9e0252f072177b7d0f706353e669fb6a02e57b6a57ce8934d1859020a4fa2519","first_computed_at":"2026-07-05T03:23:41.863431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:23:41.863431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CmOJckUua3uQBQxsajd3OAuDwMD+BsApvwOYOvlZprZn2X/MZUpNOvqmyNcM8u62IWlMqtBXFIvG7hsUn6+qCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:23:41.863912Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.11504","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a84f38acbe204c1e0e9653d2ba969e0592d265d808b0d21cf45a3eb4ca66707","sha256:2f5c9773b51656308dfd5d59b81f703942951a76902cbe57b9a4da0207918e61"],"state_sha256":"1a2738db63e308aeaaf96140c6f4bbf6a34dc3d72ef8ace9fba3c4304037da47"}