{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:JDV7A6AI2ROVFZCUZ6CI5ME5G2","short_pith_number":"pith:JDV7A6AI","schema_version":"1.0","canonical_sha256":"48ebf07808d45d52e454cf848eb09d36b5bc11f31c221f3178b204fb9b648b28","source":{"kind":"arxiv","id":"hep-ph/0211277","version":2},"attestation_state":"computed","paper":{"title":"End-point singularities of Feynman graphs on the light cone","license":"","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"D. Melikhov, S. Simula","submitted_at":"2002-11-18T13:58:42Z","abstract_excerpt":"We show that some Lorentz components of the Feynman integrals calculated in terms of the light-cone variables may contain end-point singularities which originate from the contribution of the big-circle integral in the complex k_ plane. These singularities appear in various types of diagrams (two-point functions, three-point functions, etc) and provide the covariance of the Feynman integrals on the light-cone. We propose a procedure for calculating Feynman integrals which guarantees that the end-point singularities do not appear in the light-cone representations of the invariant amplitudes."},"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/0211277","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2002-11-18T13:58:42Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"0f57ca2685baeff518ef7dbab94d0203034b855b7592595fa7381beb3633990a","abstract_canon_sha256":"daeed409c3f8eee6be738a65123891ff4597cbb279b48054963311cb0b37b1d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:34:27.463591Z","signature_b64":"VpyMlimRcX4FAbwDgczDjQKZ20GOFerUgCNWMwyycsGkUh9FVd2N2kFbDU8w2zAiig+fu3KBT/DJK9kgG0FRDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48ebf07808d45d52e454cf848eb09d36b5bc11f31c221f3178b204fb9b648b28","last_reissued_at":"2026-07-04T16:34:27.463178Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:34:27.463178Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"End-point singularities of Feynman graphs on the light cone","license":"","headline":"","cross_cats":["nucl-th"],"primary_cat":"hep-ph","authors_text":"D. Melikhov, S. Simula","submitted_at":"2002-11-18T13:58:42Z","abstract_excerpt":"We show that some Lorentz components of the Feynman integrals calculated in terms of the light-cone variables may contain end-point singularities which originate from the contribution of the big-circle integral in the complex k_ plane. These singularities appear in various types of diagrams (two-point functions, three-point functions, etc) and provide the covariance of the Feynman integrals on the light-cone. We propose a procedure for calculating Feynman integrals which guarantees that the end-point singularities do not appear in the light-cone representations of the invariant amplitudes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0211277","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/0211277/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/0211277","created_at":"2026-07-04T16:34:27.463235+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0211277v2","created_at":"2026-07-04T16:34:27.463235+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0211277","created_at":"2026-07-04T16:34:27.463235+00:00"},{"alias_kind":"pith_short_12","alias_value":"JDV7A6AI2ROV","created_at":"2026-07-04T16:34:27.463235+00:00"},{"alias_kind":"pith_short_16","alias_value":"JDV7A6AI2ROVFZCU","created_at":"2026-07-04T16:34:27.463235+00:00"},{"alias_kind":"pith_short_8","alias_value":"JDV7A6AI","created_at":"2026-07-04T16:34:27.463235+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/JDV7A6AI2ROVFZCUZ6CI5ME5G2","json":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2.json","graph_json":"https://pith.science/api/pith-number/JDV7A6AI2ROVFZCUZ6CI5ME5G2/graph.json","events_json":"https://pith.science/api/pith-number/JDV7A6AI2ROVFZCUZ6CI5ME5G2/events.json","paper":"https://pith.science/paper/JDV7A6AI"},"agent_actions":{"view_html":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2","download_json":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2.json","view_paper":"https://pith.science/paper/JDV7A6AI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-ph/0211277&json=true","fetch_graph":"https://pith.science/api/pith-number/JDV7A6AI2ROVFZCUZ6CI5ME5G2/graph.json","fetch_events":"https://pith.science/api/pith-number/JDV7A6AI2ROVFZCUZ6CI5ME5G2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2/action/storage_attestation","attest_author":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2/action/author_attestation","sign_citation":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2/action/citation_signature","submit_replication":"https://pith.science/pith/JDV7A6AI2ROVFZCUZ6CI5ME5G2/action/replication_record"}},"created_at":"2026-07-04T16:34:27.463235+00:00","updated_at":"2026-07-04T16:34:27.463235+00:00"}