{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:LK6IAFB6HQW2NWTKEQ66STDTW6","short_pith_number":"pith:LK6IAFB6","schema_version":"1.0","canonical_sha256":"5abc80143e3c2da6da6a243de94c73b79cd2381b0641042d0445018bb6b2dcf8","source":{"kind":"arxiv","id":"1407.5631","version":3},"attestation_state":"computed","paper":{"title":"Efficient estimation of resonant coupling between quantum systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Frank K. Wilhelm, Markku P.V. Stenberg, Yuval R. Sanders","submitted_at":"2014-07-21T20:00:24Z","abstract_excerpt":"We present an efficient method for the characterization of two coupled discrete quantum systems, one of which can be controlled and measured. For two systems with transition frequencies $\\omega_q$, $\\omega_r$, and coupling strength $g$ we show how to obtain estimates of $g$ and $\\omega_r$ whose error decreases exponentially in the number of measurement shots rather than as a power law expected in simple approaches. Our algorithm can thereby identify $g$ and $\\omega_r$ simultaneously with high precision in a few hundred measurement shots. This is achieved by adapting measurement settings upon d"},"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":"1407.5631","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-07-21T20:00:24Z","cross_cats_sorted":[],"title_canon_sha256":"0a4bc2a0b04a925bec685bda5a3db94af9bfaaeb86c25fc2178266a5de65fce0","abstract_canon_sha256":"d38a789a918d9bfe64d58a746377e5c314d7f1c28d7478c9bc68c37b7878494d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:21.250867Z","signature_b64":"0NsNeNaM1/GRUNbNXCVjOdNDbPoXZS5zJ3mK2qCkiDzfJW3nFGLAv8rsRbC+p9kRxi2Dtvr5s1aDTR9iJVgEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5abc80143e3c2da6da6a243de94c73b79cd2381b0641042d0445018bb6b2dcf8","last_reissued_at":"2026-05-18T00:53:21.250413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:21.250413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Efficient estimation of resonant coupling between quantum systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Frank K. Wilhelm, Markku P.V. Stenberg, Yuval R. Sanders","submitted_at":"2014-07-21T20:00:24Z","abstract_excerpt":"We present an efficient method for the characterization of two coupled discrete quantum systems, one of which can be controlled and measured. For two systems with transition frequencies $\\omega_q$, $\\omega_r$, and coupling strength $g$ we show how to obtain estimates of $g$ and $\\omega_r$ whose error decreases exponentially in the number of measurement shots rather than as a power law expected in simple approaches. Our algorithm can thereby identify $g$ and $\\omega_r$ simultaneously with high precision in a few hundred measurement shots. This is achieved by adapting measurement settings upon d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.5631","kind":"arxiv","version":3},"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":"1407.5631","created_at":"2026-05-18T00:53:21.250483+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.5631v3","created_at":"2026-05-18T00:53:21.250483+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.5631","created_at":"2026-05-18T00:53:21.250483+00:00"},{"alias_kind":"pith_short_12","alias_value":"LK6IAFB6HQW2","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_16","alias_value":"LK6IAFB6HQW2NWTK","created_at":"2026-05-18T12:28:38.356838+00:00"},{"alias_kind":"pith_short_8","alias_value":"LK6IAFB6","created_at":"2026-05-18T12:28:38.356838+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/LK6IAFB6HQW2NWTKEQ66STDTW6","json":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6.json","graph_json":"https://pith.science/api/pith-number/LK6IAFB6HQW2NWTKEQ66STDTW6/graph.json","events_json":"https://pith.science/api/pith-number/LK6IAFB6HQW2NWTKEQ66STDTW6/events.json","paper":"https://pith.science/paper/LK6IAFB6"},"agent_actions":{"view_html":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6","download_json":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6.json","view_paper":"https://pith.science/paper/LK6IAFB6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.5631&json=true","fetch_graph":"https://pith.science/api/pith-number/LK6IAFB6HQW2NWTKEQ66STDTW6/graph.json","fetch_events":"https://pith.science/api/pith-number/LK6IAFB6HQW2NWTKEQ66STDTW6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6/action/storage_attestation","attest_author":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6/action/author_attestation","sign_citation":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6/action/citation_signature","submit_replication":"https://pith.science/pith/LK6IAFB6HQW2NWTKEQ66STDTW6/action/replication_record"}},"created_at":"2026-05-18T00:53:21.250483+00:00","updated_at":"2026-05-18T00:53:21.250483+00:00"}