{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:AR53KXCOJDMTIWZ42HYYFWXARB","short_pith_number":"pith:AR53KXCO","schema_version":"1.0","canonical_sha256":"047bb55c4e48d9345b3cd1f182dae0884d388066038f29a2c9690ab063d85cb2","source":{"kind":"arxiv","id":"1809.09481","version":3},"attestation_state":"computed","paper":{"title":"A New Method for Reducing PDF Uncertainties in the High-Mass Drell-Yan Spectrum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"Carl Schmidt, Chien-Peng Yuan, Christopher Willis, Daniel Hayden, Joshua Isaacson, Raymond Brock, Tie-Jiun Hou","submitted_at":"2018-09-25T13:44:53Z","abstract_excerpt":"Uncertainties in the parametrization of Parton Distribution Functions (PDFs) are becoming a serious limiting systematic uncertainty in Large Hadron Collider (LHC) searches for Beyond the Standard Model physics. This is especially true for measurements at high scales induced by quark and anti-quark collisions, where Drell-Yan continuum backgrounds are dominant. Tools are recently available which enable exploration of PDF fitting strategies and emulate the effects of new data in a future global fit. ePump is such a tool and it is shown that judicious selection of measurable kinematical quantitie"},"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":"1809.09481","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2018-09-25T13:44:53Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"3ce02ce77cae8d9b276896783e0ae836646f1a262fd0470b38162f0215c31146","abstract_canon_sha256":"02cb9aa3406208f2017280769a2302593291b9dc170efbab47654bb491a3e177"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:33.208910Z","signature_b64":"Vyim1lF+CLrLfKhbPLoKw6j6+4HOiX60USKauzKHz2rMte9sYFV2b5ave2itrJfOknrielKcLFDqJeLcYurLDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"047bb55c4e48d9345b3cd1f182dae0884d388066038f29a2c9690ab063d85cb2","last_reissued_at":"2026-05-17T23:51:33.208293Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:33.208293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A New Method for Reducing PDF Uncertainties in the High-Mass Drell-Yan Spectrum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-ex","authors_text":"Carl Schmidt, Chien-Peng Yuan, Christopher Willis, Daniel Hayden, Joshua Isaacson, Raymond Brock, Tie-Jiun Hou","submitted_at":"2018-09-25T13:44:53Z","abstract_excerpt":"Uncertainties in the parametrization of Parton Distribution Functions (PDFs) are becoming a serious limiting systematic uncertainty in Large Hadron Collider (LHC) searches for Beyond the Standard Model physics. This is especially true for measurements at high scales induced by quark and anti-quark collisions, where Drell-Yan continuum backgrounds are dominant. Tools are recently available which enable exploration of PDF fitting strategies and emulate the effects of new data in a future global fit. ePump is such a tool and it is shown that judicious selection of measurable kinematical quantitie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.09481","kind":"arxiv","version":3},"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":"1809.09481","created_at":"2026-05-17T23:51:33.208408+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.09481v3","created_at":"2026-05-17T23:51:33.208408+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.09481","created_at":"2026-05-17T23:51:33.208408+00:00"},{"alias_kind":"pith_short_12","alias_value":"AR53KXCOJDMT","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"AR53KXCOJDMTIWZ4","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"AR53KXCO","created_at":"2026-05-18T12:32:13.499390+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/AR53KXCOJDMTIWZ42HYYFWXARB","json":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB.json","graph_json":"https://pith.science/api/pith-number/AR53KXCOJDMTIWZ42HYYFWXARB/graph.json","events_json":"https://pith.science/api/pith-number/AR53KXCOJDMTIWZ42HYYFWXARB/events.json","paper":"https://pith.science/paper/AR53KXCO"},"agent_actions":{"view_html":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB","download_json":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB.json","view_paper":"https://pith.science/paper/AR53KXCO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.09481&json=true","fetch_graph":"https://pith.science/api/pith-number/AR53KXCOJDMTIWZ42HYYFWXARB/graph.json","fetch_events":"https://pith.science/api/pith-number/AR53KXCOJDMTIWZ42HYYFWXARB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB/action/storage_attestation","attest_author":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB/action/author_attestation","sign_citation":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB/action/citation_signature","submit_replication":"https://pith.science/pith/AR53KXCOJDMTIWZ42HYYFWXARB/action/replication_record"}},"created_at":"2026-05-17T23:51:33.208408+00:00","updated_at":"2026-05-17T23:51:33.208408+00:00"}