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Verification register Frontier Hardware & Quantum

Readiness verdict

Google DeepMind AlphaQubit

A dated reading of what is claimed, reported, and independently verified in the current evidence.

As of
2026-10-02
Revision
4
Method
v1.4.0

Current reading

Readiness band and full integer triple

AI-assisted assembly · derived results

Readiness band

Emerging

Primary summary from verified readiness

Confidence
87% · stale
Computed at
2026-10-02T00:17:55.630484+00:00
Claimed
35

Public ambition and stated capability

Reported
35

Observed practitioner reporting

Verified
25

Independently supported evidence

Gap
+10

Claimed leads verified

Evidence strength Growing

Decision

What the current evidence supports

Agent-assisted assessment · independently reviewed · 2026-10-02

Consider the original AlphaQubit for controlled offline decoding research.

Why
It has demonstrated useful memory-decoding accuracy, but independent reproduction is narrower and real-time superconducting operation remains a limitation.
Next
Benchmark an explicitly identified implementation on held-out device data, including accuracy, training cost and latency. Evaluate AlphaQubit 2 separately if real-time decoding is required.

Constraints

Blockers

  • Original-version decoding speed is inadequate for real-time superconducting error correction.
  • Large synthetic pretraining requirements impose substantial computational costs.
  • Independent reimplementation has not reproduced the headline distance-5 accuracy.
  • Offline memory benchmarks provide limited evidence for integrated fault-tolerant computation.

Evidence summary

Derived counts

AI-assisted assembly

Total
12
Tier 1
8
Tier 2
4
Tier 3
0
Supports
5
Contradicts
3
Context
4
Latest observed
2026-03-11

Counts and dates only. Raw signals, private excerpts, trust records, and internal corpus material are not published here.

Publication record

Revisions

Revision 4

  1. 2026-07-19 Reading moved from watch to watch.
  2. 2026-09-22 Reading moved from watch to watch.
  3. 2026-09-30 Reading moved from watch to emerging.
  4. 2026-10-02 Reading moved from emerging to emerging.

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