Corroboration · RSA records, claims graded since 2026

The Factoring Claims Register

Successor to the RSA Factoring Challenge (1991-2007)

Live graded claim

Bao Yan et al.

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

Source or claimant
Bao Yan et al.
Year
2022
Claim class
C4: “My quantum method factors N with resources R”
Status
refuted
Evidence mark
verified

Claim summary

Gate applied

Separate the 48-bit experiment from the RSA-2048 extrapolation, audit total classical and quantum work, and require answer-independent relation generation on fresh balanced inputs.

Read the full C4 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-2:Q22

    Plain local provenance label, not a URL.

  • census-2:Q23

    Plain local provenance label, not a URL.

  • census-2:Q24

    Plain local provenance label, not a URL.

  • census-3:A07-PREPRINT

    Plain local provenance label, not a URL.

  • census-3:A07-NIST

    Plain local provenance label, not a URL.

  • census-3:A07-EMPIRICAL

    Plain local provenance label, not a URL.

  • census-3:A07-COMPLEXITY

    Plain local provenance label, not a URL.

Cite this dossier

The Factoring Claims Register, yan-et-al-2022-372-qubits, as of 2026-07-26.

@misc{factoring-register-yan-et-al-2022-372-qubits-2026,
  title = {The Factoring Claims Register: Bao Yan et al.},
  author = {{The Factoring Claims Register}},
  note = {yan-et-al-2022-372-qubits; as of 2026-07-26}
}

Dossier timeline

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