{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OOJBIOEU2WSDCHSMZQ5PCBPO43","short_pith_number":"pith:OOJBIOEU","canonical_record":{"source":{"id":"1408.2500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-11T19:33:57Z","cross_cats_sorted":[],"title_canon_sha256":"24632fc6287834e8580c24ff3cad87c9ce7e15454ce966797ba29b15a489ea40","abstract_canon_sha256":"3e8cdb12e85ae3ad59e47a4ec183bfbb745c43420fff5b983cf0aee0dab0fd84"},"schema_version":"1.0"},"canonical_sha256":"7392143894d5a4311e4ccc3af105eee6c79676a5b034e8d8f892775da960a381","source":{"kind":"arxiv","id":"1408.2500","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2500","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2500v1","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2500","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"pith_short_12","alias_value":"OOJBIOEU2WSD","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OOJBIOEU2WSDCHSM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OOJBIOEU","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OOJBIOEU2WSDCHSMZQ5PCBPO43","target":"record","payload":{"canonical_record":{"source":{"id":"1408.2500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-11T19:33:57Z","cross_cats_sorted":[],"title_canon_sha256":"24632fc6287834e8580c24ff3cad87c9ce7e15454ce966797ba29b15a489ea40","abstract_canon_sha256":"3e8cdb12e85ae3ad59e47a4ec183bfbb745c43420fff5b983cf0aee0dab0fd84"},"schema_version":"1.0"},"canonical_sha256":"7392143894d5a4311e4ccc3af105eee6c79676a5b034e8d8f892775da960a381","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:21.767002Z","signature_b64":"H+zH0c3dSRlQQTfGT6R8bAyp+F+Hyf6jat3uPkHwC7HRp/6gLa0UkAf4nKC3moV6Blz7NmwxUkKvO/2jWeGuAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7392143894d5a4311e4ccc3af105eee6c79676a5b034e8d8f892775da960a381","last_reissued_at":"2026-05-18T01:42:21.766269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:21.766269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.2500","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"shvzO4Zyd8AFW7FVeFjsRScnkBZOAx21wNotnm2iD9jasAS3yDUPpqL2qHp4TTtb+50uPTM++Q3AAyV0rY4PDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:18:40.885686Z"},"content_sha256":"1d2d8ee7e675378d405c5085b978888a4006c2da72810f6b748b63b4aebc5503","schema_version":"1.0","event_id":"sha256:1d2d8ee7e675378d405c5085b978888a4006c2da72810f6b748b63b4aebc5503"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OOJBIOEU2WSDCHSMZQ5PCBPO43","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Four-dimensional formulation of the sector-improved residue subtraction scheme","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"D. Heymes, M. Czakon","submitted_at":"2014-08-11T19:33:57Z","abstract_excerpt":"Four years ago, one of us introduced a novel subtraction scheme for the evaluation of double-real radiation contributions to cross sections at next-to-next-to-leading order (NNLO) in QCD. This approach, named SecToR Improved Phase sPacE for Real radiation (STRIPPER), has already found several non-trivial applications. In particular, it has allowed for the determination of NNLO corrections to hadronic top-quark pair production, fully differential top-quark decays, inclusive semileptonic charmless b-quark decays, associated Higgs boson and jet production in gluon fusion, muon decay spin asymmetr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2500","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:42:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OOf0j+ABGJQi6vj+NH+LkAJxo64EVJvplgJtHSpKpovQUvkL7deZbRMW7X8RAOiss+G8d8rB0ycG+0qThdwFDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:18:40.886031Z"},"content_sha256":"5174effa076f6a5b4d3e4b32655ce95bab7a55f21dcbcea94404977ea516cea8","schema_version":"1.0","event_id":"sha256:5174effa076f6a5b4d3e4b32655ce95bab7a55f21dcbcea94404977ea516cea8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/bundle.json","state_url":"https://pith.science/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T06:18:40Z","links":{"resolver":"https://pith.science/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43","bundle":"https://pith.science/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/bundle.json","state":"https://pith.science/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OOJBIOEU2WSDCHSMZQ5PCBPO43/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OOJBIOEU2WSDCHSMZQ5PCBPO43","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"3e8cdb12e85ae3ad59e47a4ec183bfbb745c43420fff5b983cf0aee0dab0fd84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-11T19:33:57Z","title_canon_sha256":"24632fc6287834e8580c24ff3cad87c9ce7e15454ce966797ba29b15a489ea40"},"schema_version":"1.0","source":{"id":"1408.2500","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.2500","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"arxiv_version","alias_value":"1408.2500v1","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.2500","created_at":"2026-05-18T01:42:21Z"},{"alias_kind":"pith_short_12","alias_value":"OOJBIOEU2WSD","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"OOJBIOEU2WSDCHSM","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"OOJBIOEU","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:5174effa076f6a5b4d3e4b32655ce95bab7a55f21dcbcea94404977ea516cea8","target":"graph","created_at":"2026-05-18T01:42:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Four years ago, one of us introduced a novel subtraction scheme for the evaluation of double-real radiation contributions to cross sections at next-to-next-to-leading order (NNLO) in QCD. This approach, named SecToR Improved Phase sPacE for Real radiation (STRIPPER), has already found several non-trivial applications. In particular, it has allowed for the determination of NNLO corrections to hadronic top-quark pair production, fully differential top-quark decays, inclusive semileptonic charmless b-quark decays, associated Higgs boson and jet production in gluon fusion, muon decay spin asymmetr","authors_text":"D. Heymes, M. Czakon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-11T19:33:57Z","title":"Four-dimensional formulation of the sector-improved residue subtraction scheme"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.2500","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:1d2d8ee7e675378d405c5085b978888a4006c2da72810f6b748b63b4aebc5503","target":"record","created_at":"2026-05-18T01:42:21Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"3e8cdb12e85ae3ad59e47a4ec183bfbb745c43420fff5b983cf0aee0dab0fd84","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2014-08-11T19:33:57Z","title_canon_sha256":"24632fc6287834e8580c24ff3cad87c9ce7e15454ce966797ba29b15a489ea40"},"schema_version":"1.0","source":{"id":"1408.2500","kind":"arxiv","version":1}},"canonical_sha256":"7392143894d5a4311e4ccc3af105eee6c79676a5b034e8d8f892775da960a381","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7392143894d5a4311e4ccc3af105eee6c79676a5b034e8d8f892775da960a381","first_computed_at":"2026-05-18T01:42:21.766269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:21.766269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H+zH0c3dSRlQQTfGT6R8bAyp+F+Hyf6jat3uPkHwC7HRp/6gLa0UkAf4nKC3moV6Blz7NmwxUkKvO/2jWeGuAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:21.767002Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.2500","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d2d8ee7e675378d405c5085b978888a4006c2da72810f6b748b63b4aebc5503","sha256:5174effa076f6a5b4d3e4b32655ce95bab7a55f21dcbcea94404977ea516cea8"],"state_sha256":"372857b20354cffe71223b3e885ea2721eeefb1367b908e2ffcc1bada08a5643"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"COLrMeidyJX16iDW7i5sQR8yPRGdZKXJobN9ohnVVA78nNSSDSWwLdFcnc73mraQiEGsIKj72mg0DlEYIK26Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:18:40.887997Z","bundle_sha256":"7fb6dbf0f771cfd4f7b585d5ae40fbbb9815a02d552f5313741809e9cde527af"}}