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Verification register Energy, Climate, Space & Materials

Readiness verdict

Commonwealth Fusion SPARC

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

As of
2026-09-22
Revision
2
Method
v1.3.0

Current reading

Readiness band and full integer triple

AI-assisted assembly · derived results

Readiness band

Watch

Primary summary from verified readiness

Confidence
79% · stale
Computed at
2026-09-22T23:27:14.984527+00:00
Claimed
45

Public ambition and stated capability

Reported
45

Observed practitioner reporting

Verified
41

Independently supported evidence

Gap
+4

Claimed leads verified

Evidence strength Critical

Decision

What the current evidence supports

Human editorial judgment · 2026-09-22

Wait for stronger evidence

Why
Best-credentialed, peer-reviewed, very-high-activity private fusion effort with real hardware milestones (75-ton cryostat installed, first 20T-class HTS magnets in production), but the central claim (net energy) is still a 2027 prediction and assembly is early-stage.
Next
Re-assess after the 2026 first-plasma attempt and again after the 2027 D-T net-energy campaign; the Q>1 demonstration is the load-bearing proof point.

Constraints

Blockers

No named blocker is present in the current public projection.

Evidence summary

Derived counts

AI-assisted assembly

Total
7
Tier 1
2
Tier 2
4
Tier 3
1
Supports
3
Contradicts
1
Context
3
Latest observed
2026-06-24

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

Publication record

Revisions

Revision 2

  1. 2026-07-19 Reading moved from watch to watch.
  2. 2026-09-22 Reading moved from watch to watch.

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