{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:54ECZQNGEXHCU4BIGS5LT4JUAO","short_pith_number":"pith:54ECZQNG","schema_version":"1.0","canonical_sha256":"ef082cc1a625ce2a702834bab9f13403a74fc86ee827bcbbb5ae7e4106216edb","source":{"kind":"arxiv","id":"2109.13975","version":2},"attestation_state":"computed","paper":{"title":"Quantum walk approach to simulating parton showers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","quant-ph"],"primary_cat":"hep-ph","authors_text":"Khadeejah Bepari, Michael Spannowsky, Sarah Malik, Simon Williams","submitted_at":"2021-09-28T18:32:14Z","abstract_excerpt":"This paper presents a novel quantum walk approach to simulating parton showers on a quantum computer. We demonstrate that the quantum walk paradigm offers a natural and more efficient approach to simulating parton showers on quantum devices, with the emission probabilities implemented as the coin flip for the walker, and the particle emissions to either gluons or quark pairs corresponding to the movement of the walker in two dimensions. A quantum algorithm is proposed for a simplified, toy model of a 31-step, collinear parton shower, hence significantly increasing the number of steps of the pa"},"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":"2109.13975","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2021-09-28T18:32:14Z","cross_cats_sorted":["hep-ex","quant-ph"],"title_canon_sha256":"c6f4f41171e757c776f4c5ee9ab3f1af25e1fb46d660c7af102520f04bb23e04","abstract_canon_sha256":"491e238675f73fece9ad4ecb3edf8c8c9731ae4f99cd13f320eeae3ffa811e95"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:54:16.060914Z","signature_b64":"OTe8Qy1My3UFnRDiKdKSlJnj2UWx8viBRz3+RlLddOKg8GpiuwroJlvWME85RK/8uBka/Faq306IRQUJtKvXDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef082cc1a625ce2a702834bab9f13403a74fc86ee827bcbbb5ae7e4106216edb","last_reissued_at":"2026-07-05T04:54:16.060486Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:54:16.060486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum walk approach to simulating parton showers","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["hep-ex","quant-ph"],"primary_cat":"hep-ph","authors_text":"Khadeejah Bepari, Michael Spannowsky, Sarah Malik, Simon Williams","submitted_at":"2021-09-28T18:32:14Z","abstract_excerpt":"This paper presents a novel quantum walk approach to simulating parton showers on a quantum computer. We demonstrate that the quantum walk paradigm offers a natural and more efficient approach to simulating parton showers on quantum devices, with the emission probabilities implemented as the coin flip for the walker, and the particle emissions to either gluons or quark pairs corresponding to the movement of the walker in two dimensions. A quantum algorithm is proposed for a simplified, toy model of a 31-step, collinear parton shower, hence significantly increasing the number of steps of the pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13975","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/2109.13975/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":"2109.13975","created_at":"2026-07-05T04:54:16.060542+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.13975v2","created_at":"2026-07-05T04:54:16.060542+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13975","created_at":"2026-07-05T04:54:16.060542+00:00"},{"alias_kind":"pith_short_12","alias_value":"54ECZQNGEXHC","created_at":"2026-07-05T04:54:16.060542+00:00"},{"alias_kind":"pith_short_16","alias_value":"54ECZQNGEXHCU4BI","created_at":"2026-07-05T04:54:16.060542+00:00"},{"alias_kind":"pith_short_8","alias_value":"54ECZQNG","created_at":"2026-07-05T04:54:16.060542+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08169","citing_title":"Overview of Applications of Quantum Computing in QCD","ref_index":9,"is_internal_anchor":true},{"citing_arxiv_id":"2606.25513","citing_title":"Disentangling Dark Gauge Symmetries with Deep Learning on the Lund Jet Plane","ref_index":81,"is_internal_anchor":false},{"citing_arxiv_id":"2606.22602","citing_title":"Quantum Simulation of Generalized Parton Distributions in the Schwinger Model","ref_index":18,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO","json":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO.json","graph_json":"https://pith.science/api/pith-number/54ECZQNGEXHCU4BIGS5LT4JUAO/graph.json","events_json":"https://pith.science/api/pith-number/54ECZQNGEXHCU4BIGS5LT4JUAO/events.json","paper":"https://pith.science/paper/54ECZQNG"},"agent_actions":{"view_html":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO","download_json":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO.json","view_paper":"https://pith.science/paper/54ECZQNG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.13975&json=true","fetch_graph":"https://pith.science/api/pith-number/54ECZQNGEXHCU4BIGS5LT4JUAO/graph.json","fetch_events":"https://pith.science/api/pith-number/54ECZQNGEXHCU4BIGS5LT4JUAO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO/action/storage_attestation","attest_author":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO/action/author_attestation","sign_citation":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO/action/citation_signature","submit_replication":"https://pith.science/pith/54ECZQNGEXHCU4BIGS5LT4JUAO/action/replication_record"}},"created_at":"2026-07-05T04:54:16.060542+00:00","updated_at":"2026-07-05T04:54:16.060542+00:00"}