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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
2026-08-20
Revision
1
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
82% · stale
Computed at
2026-08-20T10:54:36.025177+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 · 2026-08-20

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
14
Tier 1
2
Tier 2
8
Tier 3
4
Supports
6
Contradicts
2
Context
6
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

Initial public reading

  1. 2026-07-19 Reading moved from watch to watch.

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