{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:LSBXDRI7NQI7HIWIBGSXIHZHDE","short_pith_number":"pith:LSBXDRI7","schema_version":"1.0","canonical_sha256":"5c8371c51f6c11f3a2c809a5741f27191259b7f55e3743479c0aeb15e5cff60f","source":{"kind":"arxiv","id":"2009.01333","version":1},"attestation_state":"computed","paper":{"title":"Asymmetry of CNOT gate operation in superconducting transmon quantum processors using cross-resonance entangling","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel D. Stancil, Travis Hurant","submitted_at":"2020-09-02T20:42:27Z","abstract_excerpt":"Controlled-NOT (CNOT) gates are commonly included in the standard gate set of quantum processors and provide an important way to entangle qubits. For fixed-frequency qubits using the cross-resonance entangling technique, using the higher-frequency qubit to control the lower-frequency qubit enables much shorter entangling times than using the lower-frequency qubit as the control. Consequently, when implementing a CNOT gate where logical control by the lower-frequency qubit is needed, compilers may implement this functionality by using an equivalent circuit such as placing Hadamard gates on both"},"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":"2009.01333","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"quant-ph","submitted_at":"2020-09-02T20:42:27Z","cross_cats_sorted":[],"title_canon_sha256":"fbaf7fb9e73bbef32ef8f39ec75c758a8d7438fbaa3d27bcc5b7e4def825259a","abstract_canon_sha256":"1fa99e42a79ffc565cd85e5d3edb5b158502be849bb838403d0cf425a9af5df3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:32:48.336906Z","signature_b64":"HlZ25K+T0g7mxIjHpuzxiMxJRPPWrfTrkMnn2yvgbvhjkmjWw48DueehcHWeWVJPpYcPI51bTVeMJIC8t7lxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c8371c51f6c11f3a2c809a5741f27191259b7f55e3743479c0aeb15e5cff60f","last_reissued_at":"2026-07-05T01:32:48.336425Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:32:48.336425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Asymmetry of CNOT gate operation in superconducting transmon quantum processors using cross-resonance entangling","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel D. Stancil, Travis Hurant","submitted_at":"2020-09-02T20:42:27Z","abstract_excerpt":"Controlled-NOT (CNOT) gates are commonly included in the standard gate set of quantum processors and provide an important way to entangle qubits. For fixed-frequency qubits using the cross-resonance entangling technique, using the higher-frequency qubit to control the lower-frequency qubit enables much shorter entangling times than using the lower-frequency qubit as the control. Consequently, when implementing a CNOT gate where logical control by the lower-frequency qubit is needed, compilers may implement this functionality by using an equivalent circuit such as placing Hadamard gates on both"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.01333","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.01333/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":"2009.01333","created_at":"2026-07-05T01:32:48.336489+00:00"},{"alias_kind":"arxiv_version","alias_value":"2009.01333v1","created_at":"2026-07-05T01:32:48.336489+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.01333","created_at":"2026-07-05T01:32:48.336489+00:00"},{"alias_kind":"pith_short_12","alias_value":"LSBXDRI7NQI7","created_at":"2026-07-05T01:32:48.336489+00:00"},{"alias_kind":"pith_short_16","alias_value":"LSBXDRI7NQI7HIWI","created_at":"2026-07-05T01:32:48.336489+00:00"},{"alias_kind":"pith_short_8","alias_value":"LSBXDRI7","created_at":"2026-07-05T01:32:48.336489+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2507.17164","citing_title":"A Cost-Effective Quantum Boolean-Phase SWAP Gate with Only Two CNOT Gates","ref_index":5,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE","json":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE.json","graph_json":"https://pith.science/api/pith-number/LSBXDRI7NQI7HIWIBGSXIHZHDE/graph.json","events_json":"https://pith.science/api/pith-number/LSBXDRI7NQI7HIWIBGSXIHZHDE/events.json","paper":"https://pith.science/paper/LSBXDRI7"},"agent_actions":{"view_html":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE","download_json":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE.json","view_paper":"https://pith.science/paper/LSBXDRI7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2009.01333&json=true","fetch_graph":"https://pith.science/api/pith-number/LSBXDRI7NQI7HIWIBGSXIHZHDE/graph.json","fetch_events":"https://pith.science/api/pith-number/LSBXDRI7NQI7HIWIBGSXIHZHDE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE/action/storage_attestation","attest_author":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE/action/author_attestation","sign_citation":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE/action/citation_signature","submit_replication":"https://pith.science/pith/LSBXDRI7NQI7HIWIBGSXIHZHDE/action/replication_record"}},"created_at":"2026-07-05T01:32:48.336489+00:00","updated_at":"2026-07-05T01:32:48.336489+00:00"}