Corroboration · RSA records, claims graded since 2026

The Factoring Claims Register

Successor to the RSA Factoring Challenge (1991-2007)

Live graded claim

Claus-Peter Schnorr

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

Source or claimant
Claus-Peter Schnorr
Year
2021
Claim class
C2: “I have a fast general factoring algorithm”
Status
refuted
Evidence mark
verified

Claim summary

Gate applied

Freeze the advertised dimensions and relation test, reproduce enough independent smooth relations to complete factorisation, count the full workflow, and compare with GNFS on fresh ordinary inputs.

Read the full C2 gate.

Verdict basis

Class status

refuted

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-1:A13

    Plain local provenance label, not a URL.

  • census-1:R13

    Plain local provenance label, not a URL.

  • census-1:R14

    Plain local provenance label, not a URL.

  • census-1:R15

    Plain local provenance label, not a URL.

  • census-3:A04-EPRINT

    Plain local provenance label, not a URL.

  • census-3:A04-SCHNORRGATE

    Plain local provenance label, not a URL.

  • census-3:A04-SCHNEIER

    Plain local provenance label, not a URL.

Cite this dossier

The Factoring Claims Register, schnorr-2021-svp, as of 2026-07-26.

@misc{factoring-register-schnorr-2021-svp-2026,
  title = {The Factoring Claims Register: Claus-Peter Schnorr},
  author = {{The Factoring Claims Register}},
  note = {schnorr-2021-svp; as of 2026-07-26}
}

Dossier timeline

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