{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:AAKZIXIDUFHMC5ESF6P37G4QIH","short_pith_number":"pith:AAKZIXID","schema_version":"1.0","canonical_sha256":"0015945d03a14ec174922f9fbf9b9041f1dd4bab141b078ec3ef204de4f54262","source":{"kind":"arxiv","id":"1712.06141","version":1},"attestation_state":"computed","paper":{"title":"Chip-to-chip entanglement of transmon qubits using engineered measurement fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Bruno, B. Criger, C. Dickel, F. Motzoi, J. J. Wesdorp, L. DiCarlo, N. K. Langford, R. Sagastizabal, S. Peiter","submitted_at":"2017-12-17T16:56:30Z","abstract_excerpt":"While the on-chip processing power in circuit QED devices is growing rapidly, an open challenge is to establish high-fidelity quantum links between qubits on different chips. Here, we show entanglement between transmon qubits on different cQED chips with $49\\%$ concurrence and $73\\%$ Bell-state fidelity. We engineer a half-parity measurement by successively reflecting a coherent microwave field off two nearly-identical transmon-resonator systems. By ensuring the measured output field does not distinguish $\\vert 01 \\rangle$ from $\\vert 10 \\rangle$, unentangled superposition states are probabili"},"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":"1712.06141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-17T16:56:30Z","cross_cats_sorted":[],"title_canon_sha256":"c244bf494a73a717d23087d907456e06c8dc06b0d488273e994dd519b89cb594","abstract_canon_sha256":"5824c1926cc3e95676eb0412b0fd4f86890d596f19cc109d347c6cf286f3a358"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:57.163103Z","signature_b64":"zmaPyBvXvBc1Xu8/4OCXlAkBrN914x/OJKiT64gX22hrAXhVkyfq3gnRo8RTgDa5beWpvLxtaNwk841bSwCQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0015945d03a14ec174922f9fbf9b9041f1dd4bab141b078ec3ef204de4f54262","last_reissued_at":"2026-05-18T00:22:57.162630Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:57.162630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chip-to-chip entanglement of transmon qubits using engineered measurement fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Bruno, B. Criger, C. Dickel, F. Motzoi, J. J. Wesdorp, L. DiCarlo, N. K. Langford, R. Sagastizabal, S. Peiter","submitted_at":"2017-12-17T16:56:30Z","abstract_excerpt":"While the on-chip processing power in circuit QED devices is growing rapidly, an open challenge is to establish high-fidelity quantum links between qubits on different chips. Here, we show entanglement between transmon qubits on different cQED chips with $49\\%$ concurrence and $73\\%$ Bell-state fidelity. We engineer a half-parity measurement by successively reflecting a coherent microwave field off two nearly-identical transmon-resonator systems. By ensuring the measured output field does not distinguish $\\vert 01 \\rangle$ from $\\vert 10 \\rangle$, unentangled superposition states are probabili"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.06141","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1712.06141","created_at":"2026-05-18T00:22:57.162708+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.06141v1","created_at":"2026-05-18T00:22:57.162708+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.06141","created_at":"2026-05-18T00:22:57.162708+00:00"},{"alias_kind":"pith_short_12","alias_value":"AAKZIXIDUFHM","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"AAKZIXIDUFHMC5ES","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"AAKZIXID","created_at":"2026-05-18T12:31:05.417338+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/AAKZIXIDUFHMC5ESF6P37G4QIH","json":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH.json","graph_json":"https://pith.science/api/pith-number/AAKZIXIDUFHMC5ESF6P37G4QIH/graph.json","events_json":"https://pith.science/api/pith-number/AAKZIXIDUFHMC5ESF6P37G4QIH/events.json","paper":"https://pith.science/paper/AAKZIXID"},"agent_actions":{"view_html":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH","download_json":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH.json","view_paper":"https://pith.science/paper/AAKZIXID","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.06141&json=true","fetch_graph":"https://pith.science/api/pith-number/AAKZIXIDUFHMC5ESF6P37G4QIH/graph.json","fetch_events":"https://pith.science/api/pith-number/AAKZIXIDUFHMC5ESF6P37G4QIH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH/action/storage_attestation","attest_author":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH/action/author_attestation","sign_citation":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH/action/citation_signature","submit_replication":"https://pith.science/pith/AAKZIXIDUFHMC5ESF6P37G4QIH/action/replication_record"}},"created_at":"2026-05-18T00:22:57.162708+00:00","updated_at":"2026-05-18T00:22:57.162708+00:00"}