{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:JCHICNNFV4M5V3ZNHV76FCX3IS","short_pith_number":"pith:JCHICNNF","schema_version":"1.0","canonical_sha256":"488e8135a5af19daef2d3d7fe28afb4481b58f446f0db2eadb16c769e4a67357","source":{"kind":"arxiv","id":"1509.05816","version":2},"attestation_state":"computed","paper":{"title":"Discrete-time quantum walks as generators of multipartite entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Joshua Lockhart, Mauro Paternostro","submitted_at":"2015-09-18T22:49:44Z","abstract_excerpt":"We extend the idea of a discrete-time quantum walk on a graph by placing a qubit on each vertex, and allowing the walker to interact with the qubit at its current position. We show that allowing for a controlled-Z interaction at each time step between the walker and the vertex qubits generates multipartite entanglement between the qubits. We demonstrate that for particular coin operators the system generates a highly entangled cluster state, of use in measurement based quantum computation."},"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":"1509.05816","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-09-18T22:49:44Z","cross_cats_sorted":[],"title_canon_sha256":"ea9087b9c787296518a253d8000ea41e9fc319eef53eb5134f33ac64c10a3920","abstract_canon_sha256":"d9825318df2b1daea4dcdbeb5ac90bb22a3a2ff122fd8511e4f26c874690f07c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:57.018633Z","signature_b64":"U/m5xSLf1agAqZMcrCvQfGRZmH1kw61wgBhYnLwEZdEZWXkXZhsSnupicICtGB/zS0Ne3PhkyrpIZN4oz6abCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"488e8135a5af19daef2d3d7fe28afb4481b58f446f0db2eadb16c769e4a67357","last_reissued_at":"2026-05-18T01:07:57.018104Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:57.018104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discrete-time quantum walks as generators of multipartite entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Joshua Lockhart, Mauro Paternostro","submitted_at":"2015-09-18T22:49:44Z","abstract_excerpt":"We extend the idea of a discrete-time quantum walk on a graph by placing a qubit on each vertex, and allowing the walker to interact with the qubit at its current position. We show that allowing for a controlled-Z interaction at each time step between the walker and the vertex qubits generates multipartite entanglement between the qubits. We demonstrate that for particular coin operators the system generates a highly entangled cluster state, of use in measurement based quantum computation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.05816","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":""},"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":"1509.05816","created_at":"2026-05-18T01:07:57.018182+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.05816v2","created_at":"2026-05-18T01:07:57.018182+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.05816","created_at":"2026-05-18T01:07:57.018182+00:00"},{"alias_kind":"pith_short_12","alias_value":"JCHICNNFV4M5","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_16","alias_value":"JCHICNNFV4M5V3ZN","created_at":"2026-05-18T12:29:27.538025+00:00"},{"alias_kind":"pith_short_8","alias_value":"JCHICNNF","created_at":"2026-05-18T12:29:27.538025+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/JCHICNNFV4M5V3ZNHV76FCX3IS","json":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS.json","graph_json":"https://pith.science/api/pith-number/JCHICNNFV4M5V3ZNHV76FCX3IS/graph.json","events_json":"https://pith.science/api/pith-number/JCHICNNFV4M5V3ZNHV76FCX3IS/events.json","paper":"https://pith.science/paper/JCHICNNF"},"agent_actions":{"view_html":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS","download_json":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS.json","view_paper":"https://pith.science/paper/JCHICNNF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.05816&json=true","fetch_graph":"https://pith.science/api/pith-number/JCHICNNFV4M5V3ZNHV76FCX3IS/graph.json","fetch_events":"https://pith.science/api/pith-number/JCHICNNFV4M5V3ZNHV76FCX3IS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS/action/storage_attestation","attest_author":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS/action/author_attestation","sign_citation":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS/action/citation_signature","submit_replication":"https://pith.science/pith/JCHICNNFV4M5V3ZNHV76FCX3IS/action/replication_record"}},"created_at":"2026-05-18T01:07:57.018182+00:00","updated_at":"2026-05-18T01:07:57.018182+00:00"}