{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1993:Z57SYZIKB3TRAACWQSDF3CS4QI","short_pith_number":"pith:Z57SYZIK","schema_version":"1.0","canonical_sha256":"cf7f2c650a0ee710005684865d8a5c820e6ac3c444eb6e382de76cf0aec59524","source":{"kind":"arxiv","id":"hep-ph/9311213","version":1},"attestation_state":"computed","paper":{"title":"One Loop Multiphoton Helicity Amplitudes","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gregory Mahlon","submitted_at":"1993-11-02T22:28:39Z","abstract_excerpt":"We use the solutions to the recursion relations for double-off-shell fermion currents to compute helicity amplitudes for $n$-photon scattering and electron-positron annihilation to photons in the massless limit of QED. The form of these solutions is simple enough to allow {\\it all}\\ of the integrations to be performed explicitly. For $n$-photon scattering, we find that unless $n=4$, the amplitudes for the helicity configurations (+++...+) and (-++...+) vanish to one-loop order."},"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/9311213","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1993-11-02T22:28:39Z","cross_cats_sorted":[],"title_canon_sha256":"2ba2483c81622c095c2c869ec47c886e0105c6c1df99e342be4e136f05be1edf","abstract_canon_sha256":"2c2d9622d13f922339b8e866056376de830f4320695ec25dff256d410d1acb1a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:55:52.577265Z","signature_b64":"+BMWb8iken4Reh3lLKypH7GCCOLXfl7BUwY7s+TKlf7Hfq36ZAvUsN+RzcPR1ZGr38O1Wr3aGmcypAGVWPn7DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf7f2c650a0ee710005684865d8a5c820e6ac3c444eb6e382de76cf0aec59524","last_reissued_at":"2026-07-04T15:55:52.576841Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:55:52.576841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"One Loop Multiphoton Helicity Amplitudes","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gregory Mahlon","submitted_at":"1993-11-02T22:28:39Z","abstract_excerpt":"We use the solutions to the recursion relations for double-off-shell fermion currents to compute helicity amplitudes for $n$-photon scattering and electron-positron annihilation to photons in the massless limit of QED. The form of these solutions is simple enough to allow {\\it all}\\ of the integrations to be performed explicitly. For $n$-photon scattering, we find that unless $n=4$, the amplitudes for the helicity configurations (+++...+) and (-++...+) vanish to one-loop order."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9311213","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/hep-ph/9311213/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/9311213","created_at":"2026-07-04T15:55:52.576899+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9311213v1","created_at":"2026-07-04T15:55:52.576899+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9311213","created_at":"2026-07-04T15:55:52.576899+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z57SYZIKB3TR","created_at":"2026-07-04T15:55:52.576899+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z57SYZIKB3TRAACW","created_at":"2026-07-04T15:55:52.576899+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z57SYZIK","created_at":"2026-07-04T15:55:52.576899+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2412.17168","citing_title":"Associativity is enough: an all-orders 2d chiral algebra for 4d form factors","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI","json":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI.json","graph_json":"https://pith.science/api/pith-number/Z57SYZIKB3TRAACWQSDF3CS4QI/graph.json","events_json":"https://pith.science/api/pith-number/Z57SYZIKB3TRAACWQSDF3CS4QI/events.json","paper":"https://pith.science/paper/Z57SYZIK"},"agent_actions":{"view_html":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI","download_json":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI.json","view_paper":"https://pith.science/paper/Z57SYZIK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/9311213&json=true","fetch_graph":"https://pith.science/api/pith-number/Z57SYZIKB3TRAACWQSDF3CS4QI/graph.json","fetch_events":"https://pith.science/api/pith-number/Z57SYZIKB3TRAACWQSDF3CS4QI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI/action/storage_attestation","attest_author":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI/action/author_attestation","sign_citation":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI/action/citation_signature","submit_replication":"https://pith.science/pith/Z57SYZIKB3TRAACWQSDF3CS4QI/action/replication_record"}},"created_at":"2026-07-04T15:55:52.576899+00:00","updated_at":"2026-07-04T15:55:52.576899+00:00"}