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Here, we encode the probe states into superpositions of energetically","authors_text":"Sisi Zhou, Yinan Chen, Zongyuan Wang","cross_cats":[],"headline":"Encoding sensing probes as superpositions of energetically distinct states in a quantum code allows only partial error correction to suppress local noise and retain super-SQL precision.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-08T18:00:06Z","title":"Quantum metrology via partial quantum error correction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.08341","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-12T00:47:11.691345Z","id":"65ae6b8a-09fe-47c3-9d3c-3a5d26df3338","model_set":{"reader":"grok-4.3"},"one_line_summary":"Partial QEC on superpositions of code states suppresses local noise in quantum metrology with fewer checks than full QEC, achieving p to the power floor((l+1)/2) suppression for weight-l noise.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Encoding sensing probes as superpositions of energetically distinct states in a quantum code allows only partial error correction to suppress local noise and retain super-SQL precision.","strongest_claim":"We introduce a new method for error-corrected quantum metrology where only partial quantum error correction (QEC) is needed to suppress local noise and maintain the probe states' super-standard-quantum-limit (super-SQL) sensing performance.","weakest_assumption":"That encoding the probe into superpositions of energetically different states of the underlying quantum code allows error correction with only a subset of checks to suppress noise both before and after phase imprinting."}},"verdict_id":"65ae6b8a-09fe-47c3-9d3c-3a5d26df3338"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:46557e4fec0dbfc3805c96b332c5a3a6b7ec63dab388f085a693b04318850f91","target":"record","created_at":"2026-06-12T00:07:49Z","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":"0a38df7a926010125b7a8fc5c52b8d89b9408a9e355e82aac70bb6d101bf41c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-08T18:00:06Z","title_canon_sha256":"07a93b7d9f5849194f969cd378b60862627baa31fa3fbb9c30f5b6e587395b4b"},"schema_version":"1.0","source":{"id":"2605.08341","kind":"arxiv","version":2}},"canonical_sha256":"ad0053422055380145c4e9720c6654d3b68d448d6553b8f47f69c90bbbba094d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad0053422055380145c4e9720c6654d3b68d448d6553b8f47f69c90bbbba094d","first_computed_at":"2026-06-12T00:07:49.346865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-12T00:07:49.346865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c+Bir94n7N0zG4pOo1K66ypiPCtgyC30rOGZAAGCMv4QOu+mqalbQQnxQzRKPyZmkTsf2uA2y0/SXbwS/0bfAQ==","signature_status":"signed_v1","signed_at":"2026-06-12T00:07:49.347606Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.08341","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0920b972a181ee7f700ae37905a8911f2893fc178cd4e1b96f5015e9bc00059","sha256:46557e4fec0dbfc3805c96b332c5a3a6b7ec63dab388f085a693b04318850f91","sha256:004e6530b44c0d43e0f765abf143f3b771485842cfaa7ec8370d6075cff6a0d7"],"state_sha256":"96fca234faeeae8f27397c2ddc1b438e48ab34c6a69e38b4777dfa37474a141d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHmi+KWazH+1m57u55OpGYl8QSCwSKq7fsUPx3BHW1h+gHAlelgbxxuwYpOMQspisLXJgturhawJHew5ZJRiAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-19T06:45:40.716285Z","bundle_sha256":"03b19c8cd7b0f80a456522b9ccec928fc2c2543cec8ecb912699ea53444e4c5a"}}