{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:IAXHULJSINGH2ZMU3L3CWPMPVJ","short_pith_number":"pith:IAXHULJS","schema_version":"1.0","canonical_sha256":"402e7a2d32434c7d6594daf62b3d8faa7ba12f54d99d0af4975a33e30f64bbd8","source":{"kind":"arxiv","id":"hep-ph/0404276","version":2},"attestation_state":"computed","paper":{"title":"Counting and Tensorial Properties of Twist-Two Helicity-Flip Nucleon Form Factors","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"(2) Univ. of Maryland, College Park), Xiangdong Ji (2) ((1) Manhattanville College, Zhang Chen (1)","submitted_at":"2004-04-29T21:40:13Z","abstract_excerpt":"We perform a systematic analysis on the off-forward matrix elements of the twist-two quark and gluon helicity-flip operators. By matching the allowed quantum numbers and their crossing channel counterparts (a method developed by Ji & Lebed), we systematically count the number of independent nucleon form factors in off-forward scattering of matrix elements of these quark and gluon spin-flip operators. In particular, we find that the numbers of independent nucleon form factors twist-2, helicity flip quark (gluon) operators are $2n-1$ ($2n-5$) if $n$ is odd, and $2n-2$ ($2n-6$) if $n$ is even, wi"},"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":"hep-ph/0404276","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2004-04-29T21:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"1c4b80108602765fa0afc330590596fea1e0d26f20d29a5294cdaa5034f0510b","abstract_canon_sha256":"aef19a6bcdcab40c296c21967e989dfba7bb6b8e02c00c4d06177b2b6d55e8c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:48:12.701393Z","signature_b64":"odH2iQcU3aie5/YUlpn3VD+qoS8RsZbtUii111quYHmMUsdTpRS+eqYbqMcLbMKLwN03YGKsn76gEbyiw2EHAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"402e7a2d32434c7d6594daf62b3d8faa7ba12f54d99d0af4975a33e30f64bbd8","last_reissued_at":"2026-07-04T16:48:12.700918Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:48:12.700918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Counting and Tensorial Properties of Twist-Two Helicity-Flip Nucleon Form Factors","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"(2) Univ. of Maryland, College Park), Xiangdong Ji (2) ((1) Manhattanville College, Zhang Chen (1)","submitted_at":"2004-04-29T21:40:13Z","abstract_excerpt":"We perform a systematic analysis on the off-forward matrix elements of the twist-two quark and gluon helicity-flip operators. By matching the allowed quantum numbers and their crossing channel counterparts (a method developed by Ji & Lebed), we systematically count the number of independent nucleon form factors in off-forward scattering of matrix elements of these quark and gluon spin-flip operators. In particular, we find that the numbers of independent nucleon form factors twist-2, helicity flip quark (gluon) operators are $2n-1$ ($2n-5$) if $n$ is odd, and $2n-2$ ($2n-6$) if $n$ is even, wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0404276","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/hep-ph/0404276/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0404276","created_at":"2026-07-04T16:48:12.700985+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0404276v2","created_at":"2026-07-04T16:48:12.700985+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0404276","created_at":"2026-07-04T16:48:12.700985+00:00"},{"alias_kind":"pith_short_12","alias_value":"IAXHULJSINGH","created_at":"2026-07-04T16:48:12.700985+00:00"},{"alias_kind":"pith_short_16","alias_value":"IAXHULJSINGH2ZMU","created_at":"2026-07-04T16:48:12.700985+00:00"},{"alias_kind":"pith_short_8","alias_value":"IAXHULJS","created_at":"2026-07-04T16:48:12.700985+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2604.25771","citing_title":"Covariant Construction of Generalized Form Factors","ref_index":52,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ","json":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ.json","graph_json":"https://pith.science/api/pith-number/IAXHULJSINGH2ZMU3L3CWPMPVJ/graph.json","events_json":"https://pith.science/api/pith-number/IAXHULJSINGH2ZMU3L3CWPMPVJ/events.json","paper":"https://pith.science/paper/IAXHULJS"},"agent_actions":{"view_html":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ","download_json":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ.json","view_paper":"https://pith.science/paper/IAXHULJS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0404276&json=true","fetch_graph":"https://pith.science/api/pith-number/IAXHULJSINGH2ZMU3L3CWPMPVJ/graph.json","fetch_events":"https://pith.science/api/pith-number/IAXHULJSINGH2ZMU3L3CWPMPVJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ/action/storage_attestation","attest_author":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ/action/author_attestation","sign_citation":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ/action/citation_signature","submit_replication":"https://pith.science/pith/IAXHULJSINGH2ZMU3L3CWPMPVJ/action/replication_record"}},"created_at":"2026-07-04T16:48:12.700985+00:00","updated_at":"2026-07-04T16:48:12.700985+00:00"}