{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:MMYTMXERQQQPUXSWKX2Z2HLUNV","short_pith_number":"pith:MMYTMXER","schema_version":"1.0","canonical_sha256":"6331365c918420fa5e5655f59d1d746d5d3e48ee294eea8cafd39043b9339e12","source":{"kind":"arxiv","id":"2402.09532","version":4},"attestation_state":"computed","paper":{"title":"Superconducting qubit readout enhanced by path signature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gang Huang, Irfan Siddiqi, Jian-Qing Zheng, Kasra Nowrouzi, Michele Piscitelli, Mohammed Alghadeer, Mustafa Bakr, Neel Vora, Peter A Spring, Peter Leek, Shiyu Wang, Shuhei Tamate, Shuxiang Cao, Simone D Fasciati, Terry Lyons, Yasunobu Nakamura, Yilun Xu, Zhen Shao","submitted_at":"2024-02-14T19:15:42Z","abstract_excerpt":"Quantum non-demolition measurement plays an essential role in quantum technology, crucial for quantum error correction, metrology, and sensing. Conventionally, the qubit state is classified from the raw or integrated time-domain measurement record. Here, we demonstrate a method to enhance the assignment fidelity of the readout by considering the \"path signature\" of this measurement record, where the path signature is a mathematical tool for analyzing stochastic time series. We evaluate this approach across five different hardware setups, including those with and without readout multiplexing an"},"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":"2402.09532","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T19:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"6c2fc733653d4ef96798b9bdfd5b96920797ec4824f472f0ccee5ca01b74e596","abstract_canon_sha256":"626ee37ff9d9c154593ee9a8d987029d3b0a10b65fcf99b621b2ec4802bd30a1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:07:56.830421Z","signature_b64":"7PpI9pSCmWpogw+qFjJBr00f+OTa/CJiwyZeInxxCw0i/FBdh11jYVE/zpUGQra90UYgE+j4JLulqHnDn9X3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6331365c918420fa5e5655f59d1d746d5d3e48ee294eea8cafd39043b9339e12","last_reissued_at":"2026-07-05T11:07:56.829709Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:07:56.829709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Superconducting qubit readout enhanced by path signature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Gang Huang, Irfan Siddiqi, Jian-Qing Zheng, Kasra Nowrouzi, Michele Piscitelli, Mohammed Alghadeer, Mustafa Bakr, Neel Vora, Peter A Spring, Peter Leek, Shiyu Wang, Shuhei Tamate, Shuxiang Cao, Simone D Fasciati, Terry Lyons, Yasunobu Nakamura, Yilun Xu, Zhen Shao","submitted_at":"2024-02-14T19:15:42Z","abstract_excerpt":"Quantum non-demolition measurement plays an essential role in quantum technology, crucial for quantum error correction, metrology, and sensing. Conventionally, the qubit state is classified from the raw or integrated time-domain measurement record. Here, we demonstrate a method to enhance the assignment fidelity of the readout by considering the \"path signature\" of this measurement record, where the path signature is a mathematical tool for analyzing stochastic time series. We evaluate this approach across five different hardware setups, including those with and without readout multiplexing an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09532","kind":"arxiv","version":4},"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/2402.09532/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":"2402.09532","created_at":"2026-07-05T11:07:56.829791+00:00"},{"alias_kind":"arxiv_version","alias_value":"2402.09532v4","created_at":"2026-07-05T11:07:56.829791+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09532","created_at":"2026-07-05T11:07:56.829791+00:00"},{"alias_kind":"pith_short_12","alias_value":"MMYTMXERQQQP","created_at":"2026-07-05T11:07:56.829791+00:00"},{"alias_kind":"pith_short_16","alias_value":"MMYTMXERQQQPUXSW","created_at":"2026-07-05T11:07:56.829791+00:00"},{"alias_kind":"pith_short_8","alias_value":"MMYTMXER","created_at":"2026-07-05T11:07:56.829791+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.00365","citing_title":"When AI meets quantum information: A comprehensive review","ref_index":43,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV","json":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV.json","graph_json":"https://pith.science/api/pith-number/MMYTMXERQQQPUXSWKX2Z2HLUNV/graph.json","events_json":"https://pith.science/api/pith-number/MMYTMXERQQQPUXSWKX2Z2HLUNV/events.json","paper":"https://pith.science/paper/MMYTMXER"},"agent_actions":{"view_html":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV","download_json":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV.json","view_paper":"https://pith.science/paper/MMYTMXER","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2402.09532&json=true","fetch_graph":"https://pith.science/api/pith-number/MMYTMXERQQQPUXSWKX2Z2HLUNV/graph.json","fetch_events":"https://pith.science/api/pith-number/MMYTMXERQQQPUXSWKX2Z2HLUNV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV/action/storage_attestation","attest_author":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV/action/author_attestation","sign_citation":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV/action/citation_signature","submit_replication":"https://pith.science/pith/MMYTMXERQQQPUXSWKX2Z2HLUNV/action/replication_record"}},"created_at":"2026-07-05T11:07:56.829791+00:00","updated_at":"2026-07-05T11:07:56.829791+00:00"}