{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DR62VLZAK44FAOLTR6FWB2JCCH","short_pith_number":"pith:DR62VLZA","schema_version":"1.0","canonical_sha256":"1c7daaaf2057385039738f8b60e92211e31d8832e12f08e60e46657578928a49","source":{"kind":"arxiv","id":"1706.05680","version":1},"attestation_state":"computed","paper":{"title":"Subleading power corrections to the pion-photon transition form factor in QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Yue-Long Shen, Yu-Ming Wang","submitted_at":"2017-06-18T16:15:05Z","abstract_excerpt":"We reconsider QCD factorization for the leading power contribution to the $\\gamma^{\\ast} \\gamma \\to \\pi^0$ form factor $F_{\\gamma^{\\ast} \\gamma \\to \\pi^0} (Q^2)$ at one loop using the evanescent operator approach, and demonstrate the equivalence of the resulting factorization formulae derived with distinct prescriptions of $\\gamma_5$ in dimensional regularization. Applying the light-cone QCD sum rules (LCSRs) with photon distribution amplitudes (DAs) we further compute the subleading power contribution to the pion-photon form factor induced by the \"hadronic\" component of the real photon at the"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1706.05680","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-06-18T16:15:05Z","cross_cats_sorted":["hep-ex","hep-lat"],"title_canon_sha256":"f69588c2fcc36fcb1e10157910cd733aeed3a3d7cb4626b3e49259d111d00dad","abstract_canon_sha256":"dcd542a186099f7c9834226a49712e5174cc15adfffce324ce9c4a8c3f6d9e43"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:57.162927Z","signature_b64":"gLeU/rs4enaCUAkXZMeScZIOieWmaOgywf90irbSONT7BkdmCcprtydisOQv/YiTR9IRO1UKjcy+I2Q6zjEYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c7daaaf2057385039738f8b60e92211e31d8832e12f08e60e46657578928a49","last_reissued_at":"2026-05-18T00:25:57.162349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:57.162349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Subleading power corrections to the pion-photon transition form factor in QCD","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ex","hep-lat"],"primary_cat":"hep-ph","authors_text":"Yue-Long Shen, Yu-Ming Wang","submitted_at":"2017-06-18T16:15:05Z","abstract_excerpt":"We reconsider QCD factorization for the leading power contribution to the $\\gamma^{\\ast} \\gamma \\to \\pi^0$ form factor $F_{\\gamma^{\\ast} \\gamma \\to \\pi^0} (Q^2)$ at one loop using the evanescent operator approach, and demonstrate the equivalence of the resulting factorization formulae derived with distinct prescriptions of $\\gamma_5$ in dimensional regularization. Applying the light-cone QCD sum rules (LCSRs) with photon distribution amplitudes (DAs) we further compute the subleading power contribution to the pion-photon form factor induced by the \"hadronic\" component of the real photon at the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05680","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1706.05680","created_at":"2026-05-18T00:25:57.162439+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.05680v1","created_at":"2026-05-18T00:25:57.162439+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05680","created_at":"2026-05-18T00:25:57.162439+00:00"},{"alias_kind":"pith_short_12","alias_value":"DR62VLZAK44F","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DR62VLZAK44FAOLT","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DR62VLZA","created_at":"2026-05-18T12:31:12.930513+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH","json":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH.json","graph_json":"https://pith.science/api/pith-number/DR62VLZAK44FAOLTR6FWB2JCCH/graph.json","events_json":"https://pith.science/api/pith-number/DR62VLZAK44FAOLTR6FWB2JCCH/events.json","paper":"https://pith.science/paper/DR62VLZA"},"agent_actions":{"view_html":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH","download_json":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH.json","view_paper":"https://pith.science/paper/DR62VLZA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.05680&json=true","fetch_graph":"https://pith.science/api/pith-number/DR62VLZAK44FAOLTR6FWB2JCCH/graph.json","fetch_events":"https://pith.science/api/pith-number/DR62VLZAK44FAOLTR6FWB2JCCH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH/action/storage_attestation","attest_author":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH/action/author_attestation","sign_citation":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH/action/citation_signature","submit_replication":"https://pith.science/pith/DR62VLZAK44FAOLTR6FWB2JCCH/action/replication_record"}},"created_at":"2026-05-18T00:25:57.162439+00:00","updated_at":"2026-05-18T00:25:57.162439+00:00"}