{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:VUHWKIXUKUZOUT3ES2H7HK3KJW","short_pith_number":"pith:VUHWKIXU","schema_version":"1.0","canonical_sha256":"ad0f6522f45532ea4f64968ff3ab6a4dbcf27fe0e6832709e81450a33364290c","source":{"kind":"arxiv","id":"2507.10661","version":2},"attestation_state":"computed","paper":{"title":"Optimal Calibration of Qubit Detuning and Crosstalk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.stat-mech","math-ph","math.MP","physics.data-an"],"primary_cat":"quant-ph","authors_text":"Assaf Hamo, David Shnaiderov, Emanuele G. Dalla Torre, Eugene Demler, Matan Ben Dov, Yoav Woldiger","submitted_at":"2025-07-14T18:00:02Z","abstract_excerpt":"Characterizing and calibrating physical qubits is essential for maintaining the performance of quantum processors. A key challenge in this process is the presence of crosstalk that complicates the estimation of individual qubit detunings. In this work, we derive optimal strategies for estimating detuning and crosstalk parameters by optimizing Ramsey interference experiments using Fisher information and the Cramer-Rao bound. We compare several calibration protocols, including measurements of a single quadrature at multiple times and of two quadratures at a single time, for a fixed number of tot"},"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":"2507.10661","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-07-14T18:00:02Z","cross_cats_sorted":["cond-mat.other","cond-mat.stat-mech","math-ph","math.MP","physics.data-an"],"title_canon_sha256":"d228d4455927d2893bb4bfecb8fae6b25dc8c687118fe18cd733221ca55cd456","abstract_canon_sha256":"ca4a2456351a56f6237fc4fa035470c9aa2a5aa89b888b28f9411b8ccf273ccb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:41:44.753956Z","signature_b64":"UtJWZH9yRgJ1YHVUNltZi3kDNvGNPJq5l0x/TTHzugk/trp2AFOfl1njVl0LSO2ZWHDxT4R49CVMmrO81n48CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad0f6522f45532ea4f64968ff3ab6a4dbcf27fe0e6832709e81450a33364290c","last_reissued_at":"2026-07-05T11:41:44.753466Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:41:44.753466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal Calibration of Qubit Detuning and Crosstalk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other","cond-mat.stat-mech","math-ph","math.MP","physics.data-an"],"primary_cat":"quant-ph","authors_text":"Assaf Hamo, David Shnaiderov, Emanuele G. Dalla Torre, Eugene Demler, Matan Ben Dov, Yoav Woldiger","submitted_at":"2025-07-14T18:00:02Z","abstract_excerpt":"Characterizing and calibrating physical qubits is essential for maintaining the performance of quantum processors. A key challenge in this process is the presence of crosstalk that complicates the estimation of individual qubit detunings. In this work, we derive optimal strategies for estimating detuning and crosstalk parameters by optimizing Ramsey interference experiments using Fisher information and the Cramer-Rao bound. We compare several calibration protocols, including measurements of a single quadrature at multiple times and of two quadratures at a single time, for a fixed number of tot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.10661","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/2507.10661/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":"2507.10661","created_at":"2026-07-05T11:41:44.753526+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.10661v2","created_at":"2026-07-05T11:41:44.753526+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.10661","created_at":"2026-07-05T11:41:44.753526+00:00"},{"alias_kind":"pith_short_12","alias_value":"VUHWKIXUKUZO","created_at":"2026-07-05T11:41:44.753526+00:00"},{"alias_kind":"pith_short_16","alias_value":"VUHWKIXUKUZOUT3E","created_at":"2026-07-05T11:41:44.753526+00:00"},{"alias_kind":"pith_short_8","alias_value":"VUHWKIXU","created_at":"2026-07-05T11:41:44.753526+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.11088","citing_title":"Tolerating Device Failure in Distributed Quantum Computing","ref_index":37,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW","json":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW.json","graph_json":"https://pith.science/api/pith-number/VUHWKIXUKUZOUT3ES2H7HK3KJW/graph.json","events_json":"https://pith.science/api/pith-number/VUHWKIXUKUZOUT3ES2H7HK3KJW/events.json","paper":"https://pith.science/paper/VUHWKIXU"},"agent_actions":{"view_html":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW","download_json":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW.json","view_paper":"https://pith.science/paper/VUHWKIXU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.10661&json=true","fetch_graph":"https://pith.science/api/pith-number/VUHWKIXUKUZOUT3ES2H7HK3KJW/graph.json","fetch_events":"https://pith.science/api/pith-number/VUHWKIXUKUZOUT3ES2H7HK3KJW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW/action/storage_attestation","attest_author":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW/action/author_attestation","sign_citation":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW/action/citation_signature","submit_replication":"https://pith.science/pith/VUHWKIXUKUZOUT3ES2H7HK3KJW/action/replication_record"}},"created_at":"2026-07-05T11:41:44.753526+00:00","updated_at":"2026-07-05T11:41:44.753526+00:00"}