{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:N4YN3NO7LV3D2XFKSZ4X2TWM7L","short_pith_number":"pith:N4YN3NO7","schema_version":"1.0","canonical_sha256":"6f30ddb5df5d763d5caa96797d4eccfac6c7eac68727570188f48968491d681b","source":{"kind":"arxiv","id":"1202.2426","version":1},"attestation_state":"computed","paper":{"title":"Massive particles and unitarity cuts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Edoardo Mirabella, Ruth Britto","submitted_at":"2012-02-11T10:03:57Z","abstract_excerpt":"We present an extension of the spinor integration formalism of one loop amplitudes from the double-cut to the single-cut case. This technique can be applied for the computation of the tadpole coefficients. Moreover we describe an off-shell continuation of one loop amplitudes that allows a finite evaluation of the unitarity cuts in the channel of a single massive external fermion."},"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":"1202.2426","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2012-02-11T10:03:57Z","cross_cats_sorted":[],"title_canon_sha256":"97aed4ddf31c0c814982b5cd238ea154a4b2c24982dcfc4d7cfe2b1b61b4b748","abstract_canon_sha256":"ecc0ded52edf43151be4667998f6d1378840d67373920b11acc2526474340b33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:02:26.563944Z","signature_b64":"W46SC82pQDtdy5n4wWfq7nHrD/UnEMypbjW+/83tPnr8LfupGnlZWB8m+e0EsC1g6DmmbEf56S6Zf+iJrx2qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f30ddb5df5d763d5caa96797d4eccfac6c7eac68727570188f48968491d681b","last_reissued_at":"2026-05-18T04:02:26.563481Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:02:26.563481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Massive particles and unitarity cuts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Edoardo Mirabella, Ruth Britto","submitted_at":"2012-02-11T10:03:57Z","abstract_excerpt":"We present an extension of the spinor integration formalism of one loop amplitudes from the double-cut to the single-cut case. This technique can be applied for the computation of the tadpole coefficients. Moreover we describe an off-shell continuation of one loop amplitudes that allows a finite evaluation of the unitarity cuts in the channel of a single massive external fermion."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.2426","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":"1202.2426","created_at":"2026-05-18T04:02:26.563550+00:00"},{"alias_kind":"arxiv_version","alias_value":"1202.2426v1","created_at":"2026-05-18T04:02:26.563550+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.2426","created_at":"2026-05-18T04:02:26.563550+00:00"},{"alias_kind":"pith_short_12","alias_value":"N4YN3NO7LV3D","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"N4YN3NO7LV3D2XFK","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"N4YN3NO7","created_at":"2026-05-18T12:27:16.716162+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/N4YN3NO7LV3D2XFKSZ4X2TWM7L","json":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L.json","graph_json":"https://pith.science/api/pith-number/N4YN3NO7LV3D2XFKSZ4X2TWM7L/graph.json","events_json":"https://pith.science/api/pith-number/N4YN3NO7LV3D2XFKSZ4X2TWM7L/events.json","paper":"https://pith.science/paper/N4YN3NO7"},"agent_actions":{"view_html":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L","download_json":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L.json","view_paper":"https://pith.science/paper/N4YN3NO7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1202.2426&json=true","fetch_graph":"https://pith.science/api/pith-number/N4YN3NO7LV3D2XFKSZ4X2TWM7L/graph.json","fetch_events":"https://pith.science/api/pith-number/N4YN3NO7LV3D2XFKSZ4X2TWM7L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L/action/storage_attestation","attest_author":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L/action/author_attestation","sign_citation":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L/action/citation_signature","submit_replication":"https://pith.science/pith/N4YN3NO7LV3D2XFKSZ4X2TWM7L/action/replication_record"}},"created_at":"2026-05-18T04:02:26.563550+00:00","updated_at":"2026-05-18T04:02:26.563550+00:00"}