authority ledger / quantum-codes
1 pendingQuantum codes: stabilizer [[n,k,d]] certificates: review
Proposal standing and signed decisions at this exact published snapshot.
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Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
Signed by reviewer:will-blair; provenance: legacy materialized.
Exact decision provenanceDecision event, plan, proposal, and Receipt roots
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Proposal ledger
standing, not verdict quality7 proposals
- pending review
vpr_74b245aa3c2d159e
finding.add · Jul 18, 2026, 7:27 PM
Constructed an explicit nine-generator stabilizer witness for quantum:[[10,1,4]] and verified locally that the generators are distinct, non-identity, pairwise symplectically commuting, GF(2)-independent of rank nine, and that all 3,675 Pauli errors of weights one through three are either detected or lie in the stabilizer span.
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- Proposal
- sha256:6066c3847d220d359434bb6c8547350e9a9a662ac146f1bcb6a3aa5e69114ae1
- Receipt
- sha256:7f600b655a2bb6ca8ce14eaed2f5c412cf70f13f7b40e390cb690ddb4ebb8e2f
- Decision plan
- not recorded
- Decision event
- not recorded
- applied
vpr_bbf2f812da2779c8
finding.add · Jun 2, 2026, 11:37 PM
The largest distance of a single-logical-qubit stabilizer code at length 10, [[10,1,d]], is open within the band d in [3,4]; whether a [[10,1,4]] stabilizer code exists is undetermined here.
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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vpr_48bd2c2afdb23008
finding.add · Jun 2, 2026, 11:37 PM
The Shor code [[9,1,3]] (concatenated bit- and phase-flip repetition) encodes 1 logical qubit in 9 physical qubits with distance 3, verified from its eight stabilizer generators.
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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vpr_ab419cca4a99a8ea
finding.add · Jun 2, 2026, 11:37 PM
The Steane code [[7,1,3]] (CSS from the [7,4,3] Hamming code) encodes 1 logical qubit in 7 physical qubits with distance 3, verified from its six stabilizer generators.
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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vpr_1f4196a6758e1b4b
finding.add · Jun 2, 2026, 11:37 PM
The perfect five-qubit code [[5,1,3]] (cyclic stabilizers XZZXI and rotations) encodes 1 logical qubit in 5 physical qubits with distance 3, and is optimal at its length.
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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vpr_7313028c1077b829
finding.add · Jun 2, 2026, 11:37 PM
The [[4,2,2]] code with stabilizers XXXX, ZZZZ encodes 2 logical qubits in 4 physical qubits with distance 2, verified by exact recomputation of k and d.
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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vpr_f7dad07500216d3c
artifact.assert · Jun 2, 2026, 11:37 PM
Import artifact va_qcverify00000001 from artifact packet cap_a1b2c3d4e5f60718
Verified stabilizer-code certificate accepted under reviewer authority (frozen verifier exit 0).
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- Proposal
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- Receipt
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- Decision plan
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- Decision event
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