{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MMYTMXERQQQPUXSWKX2Z2HLUNV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"626ee37ff9d9c154593ee9a8d987029d3b0a10b65fcf99b621b2ec4802bd30a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T19:15:42Z","title_canon_sha256":"6c2fc733653d4ef96798b9bdfd5b96920797ec4824f472f0ccee5ca01b74e596"},"schema_version":"1.0","source":{"id":"2402.09532","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.09532","created_at":"2026-07-05T11:07:56Z"},{"alias_kind":"arxiv_version","alias_value":"2402.09532v4","created_at":"2026-07-05T11:07:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.09532","created_at":"2026-07-05T11:07:56Z"},{"alias_kind":"pith_short_12","alias_value":"MMYTMXERQQQP","created_at":"2026-07-05T11:07:56Z"},{"alias_kind":"pith_short_16","alias_value":"MMYTMXERQQQPUXSW","created_at":"2026-07-05T11:07:56Z"},{"alias_kind":"pith_short_8","alias_value":"MMYTMXER","created_at":"2026-07-05T11:07:56Z"}],"graph_snapshots":[{"event_id":"sha256:e4e59f0018658da0b6def1c6fd8ecc3604e30649be361982fca310e1e0bdc715","target":"graph","created_at":"2026-07-05T11:07:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2402.09532/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"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","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","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T19:15:42Z","title":"Superconducting qubit readout enhanced by path signature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.09532","kind":"arxiv","version":4},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8d221f7c6c6d2b267134cd7f896680a09dc7ad4a785c7d3704195e651be387e6","target":"record","created_at":"2026-07-05T11:07:56Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"626ee37ff9d9c154593ee9a8d987029d3b0a10b65fcf99b621b2ec4802bd30a1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-14T19:15:42Z","title_canon_sha256":"6c2fc733653d4ef96798b9bdfd5b96920797ec4824f472f0ccee5ca01b74e596"},"schema_version":"1.0","source":{"id":"2402.09532","kind":"arxiv","version":4}},"canonical_sha256":"6331365c918420fa5e5655f59d1d746d5d3e48ee294eea8cafd39043b9339e12","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6331365c918420fa5e5655f59d1d746d5d3e48ee294eea8cafd39043b9339e12","first_computed_at":"2026-07-05T11:07:56.829709Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:07:56.829709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7PpI9pSCmWpogw+qFjJBr00f+OTa/CJiwyZeInxxCw0i/FBdh11jYVE/zpUGQra90UYgE+j4JLulqHnDn9X3AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:07:56.830421Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.09532","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d221f7c6c6d2b267134cd7f896680a09dc7ad4a785c7d3704195e651be387e6","sha256:e4e59f0018658da0b6def1c6fd8ecc3604e30649be361982fca310e1e0bdc715"],"state_sha256":"295e30f8f35a9ed02b799d21d3590b769f396a7f25c515ff75c7281441135129"}