{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:376VGZCIIGD6D5SSINN645TYXU","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":"a33dd617aa69c9b77b6d6c6d65e36d5fdb291348b8fb81af120f1e6f80140bdd","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-11T03:45:19Z","title_canon_sha256":"e6bdafaf83d4f819fa718780c9c9664b9b2130b6973e51ad0f58c8dc52af4276"},"schema_version":"1.0","source":{"id":"2103.06433","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.06433","created_at":"2026-07-05T03:01:23Z"},{"alias_kind":"arxiv_version","alias_value":"2103.06433v2","created_at":"2026-07-05T03:01:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.06433","created_at":"2026-07-05T03:01:23Z"},{"alias_kind":"pith_short_12","alias_value":"376VGZCIIGD6","created_at":"2026-07-05T03:01:23Z"},{"alias_kind":"pith_short_16","alias_value":"376VGZCIIGD6D5SS","created_at":"2026-07-05T03:01:23Z"},{"alias_kind":"pith_short_8","alias_value":"376VGZCI","created_at":"2026-07-05T03:01:23Z"}],"graph_snapshots":[{"event_id":"sha256:8431fb10b52e0f87071165759d42f524f9a79152ed9ba6704c28e711d3518732","target":"graph","created_at":"2026-07-05T03:01:23Z","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/2103.06433/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent studies of silicon spin qubits at temperatures above 1 K are encouraging demonstrations that the cooling requirements for solid-state quantum computing can be considerably relaxed. However, qubit readout mechanisms that rely on charge sensing with a single-island single-electron transistor (SISET) quickly lose sensitivity due to thermal broadening of the electron distribution in the reservoirs. Here we exploit the tunneling between two quantised states in a double-island SET (DISET) to demonstrate a charge sensor with an improvement in signal-to-noise by an order of magnitude compared t","authors_text":"Andre Saraiva, Andrew S. Dzurak, Arne Laucht, Chih Hwan Yang, Christopher C. Escott, Fay E. Hudson, Jonathan Y. Huang, Ross C. C. Leon, Wee Han Lim","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-11T03:45:19Z","title":"A high-sensitivity charge sensor for silicon qubits above one kelvin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.06433","kind":"arxiv","version":2},"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:dc98a254ac49aa2ac26d78b9f993567410d1ede690d3aca889e82c6d3cbef803","target":"record","created_at":"2026-07-05T03:01:23Z","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":"a33dd617aa69c9b77b6d6c6d65e36d5fdb291348b8fb81af120f1e6f80140bdd","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-03-11T03:45:19Z","title_canon_sha256":"e6bdafaf83d4f819fa718780c9c9664b9b2130b6973e51ad0f58c8dc52af4276"},"schema_version":"1.0","source":{"id":"2103.06433","kind":"arxiv","version":2}},"canonical_sha256":"dffd5364484187e1f652435bee7678bd282648d137a92ddbaeed8196f3b4d8e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dffd5364484187e1f652435bee7678bd282648d137a92ddbaeed8196f3b4d8e2","first_computed_at":"2026-07-05T03:01:23.607721Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:01:23.607721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F/JsS4UMt0MKrhi7mAVQb9W0vjrijWSYZmAspds/GxDr15nbu1mfq/IhxOA1Gz3MMj0KaILHEjpl2hu2CO+OBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:01:23.608113Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.06433","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc98a254ac49aa2ac26d78b9f993567410d1ede690d3aca889e82c6d3cbef803","sha256:8431fb10b52e0f87071165759d42f524f9a79152ed9ba6704c28e711d3518732"],"state_sha256":"3147d97ee7828391a23b739a5cdb997a710f6fa74bc832807a07e44917a15c05"}