{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:F2UD3CMMSXOCRZT64ZSAH3WLTD","short_pith_number":"pith:F2UD3CMM","schema_version":"1.0","canonical_sha256":"2ea83d898c95dc28e67ee66403eecb98c7f609bceaff8a92e0a9667767c119c8","source":{"kind":"arxiv","id":"hep-th/0410054","version":4},"attestation_state":"computed","paper":{"title":"Loops in Twistor Space","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David A. Kosower, Iosif Bena, Radu Roiban, Zvi Bern","submitted_at":"2004-10-06T19:59:23Z","abstract_excerpt":"We elucidate the one-loop twistor-space structure corresponding to momentum-space MHV diagrams. We also discuss the infrared divergences, and argue that only a limited set of MHV diagrams contain them. We show how to introduce a twistor-space regulator corresponding to dimensional regularization for the infrared-divergent diagrams. We also evaluate explicitly the `holomorphic anomaly' pointed out by Cachazo, Svrcek, and Witten, and use the result to define modified differential operators which can be used to probe the twistor-space structure of one-loop 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-th/0410054","kind":"arxiv","version":4},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2004-10-06T19:59:23Z","cross_cats_sorted":[],"title_canon_sha256":"65d23a87c8f2b5e8467fa33a060babe70fd7865c072528217050cdfd34adeb1d","abstract_canon_sha256":"1ed167a1c596b447262ad0e45b17d54087928affb1a646121469ea8fe4c2bd4e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:49:02.881363Z","signature_b64":"/boS6LuuKxNFg16Q3pQfir9cPAPIB0ZOVX21yWZ5vfaAr8IwMhb72bsDZ4zWeSaieYFm42bUgxxStHl8N5Z+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ea83d898c95dc28e67ee66403eecb98c7f609bceaff8a92e0a9667767c119c8","last_reissued_at":"2026-07-04T16:49:02.880956Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:49:02.880956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Loops in Twistor Space","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"David A. Kosower, Iosif Bena, Radu Roiban, Zvi Bern","submitted_at":"2004-10-06T19:59:23Z","abstract_excerpt":"We elucidate the one-loop twistor-space structure corresponding to momentum-space MHV diagrams. We also discuss the infrared divergences, and argue that only a limited set of MHV diagrams contain them. We show how to introduce a twistor-space regulator corresponding to dimensional regularization for the infrared-divergent diagrams. We also evaluate explicitly the `holomorphic anomaly' pointed out by Cachazo, Svrcek, and Witten, and use the result to define modified differential operators which can be used to probe the twistor-space structure of one-loop amplitudes."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0410054","kind":"arxiv","version":4},"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-th/0410054/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-th/0410054","created_at":"2026-07-04T16:49:02.881026+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0410054v4","created_at":"2026-07-04T16:49:02.881026+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0410054","created_at":"2026-07-04T16:49:02.881026+00:00"},{"alias_kind":"pith_short_12","alias_value":"F2UD3CMMSXOC","created_at":"2026-07-04T16:49:02.881026+00:00"},{"alias_kind":"pith_short_16","alias_value":"F2UD3CMMSXOCRZT6","created_at":"2026-07-04T16:49:02.881026+00:00"},{"alias_kind":"pith_short_8","alias_value":"F2UD3CMM","created_at":"2026-07-04T16:49:02.881026+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.11220","citing_title":"Twistor fishnets","ref_index":80,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD","json":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD.json","graph_json":"https://pith.science/api/pith-number/F2UD3CMMSXOCRZT64ZSAH3WLTD/graph.json","events_json":"https://pith.science/api/pith-number/F2UD3CMMSXOCRZT64ZSAH3WLTD/events.json","paper":"https://pith.science/paper/F2UD3CMM"},"agent_actions":{"view_html":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD","download_json":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD.json","view_paper":"https://pith.science/paper/F2UD3CMM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/0410054&json=true","fetch_graph":"https://pith.science/api/pith-number/F2UD3CMMSXOCRZT64ZSAH3WLTD/graph.json","fetch_events":"https://pith.science/api/pith-number/F2UD3CMMSXOCRZT64ZSAH3WLTD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD/action/storage_attestation","attest_author":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD/action/author_attestation","sign_citation":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD/action/citation_signature","submit_replication":"https://pith.science/pith/F2UD3CMMSXOCRZT64ZSAH3WLTD/action/replication_record"}},"created_at":"2026-07-04T16:49:02.881026+00:00","updated_at":"2026-07-04T16:49:02.881026+00:00"}