Live graded claim

Craig Gidney and Martin Ekerå

The recorded claim and the decisive class gate, without a judgment of the claimant.

Source or claimant: Craig Gidney and Martin Ekerå
Year: 2019
Claim class: C4: “My quantum method factors N with resources R”
Status: estimate-not-demonstration
Evidence mark: verified

Claim summary

Gate applied

Preserve the error rate, code, cycle, reaction-time and runtime assumptions, and do not treat a resource estimate as a factorisation event.

Read the full C4 gate.

Verdict basis

Class status

estimate-not-demonstration

This literal status is the class gate’s evidential verdict. It is not collapsed with the other live statuses and it is not a judgment of the claimant.

As of 26 July 2026.

Provenance labels

These are the record’s plain research-reference labels. They are not links and are never expanded into guessed URLs.

census-2:Q41
Plain local provenance label, not a URL.

Cite this dossier

The Factoring Claims Register, quantum-c2q38-gidney-ekera-2019, as of 2026-07-26.

@misc{factoring-register-quantum-c2q38-gidney-ekera-2019-2026,
  title = {The Factoring Claims Register: Craig Gidney and Martin Ekerå},
  author = {{The Factoring Claims Register}},
  note = {quantum-c2q38-gidney-ekera-2019; as of 2026-07-26}
}

Dossier timeline

No post-seed journal events are recorded for this dossier.