[
  {
    "record_id": "qw-source-willow-memory-20241209",
    "title": "Below-threshold surface-code memory",
    "claim": "Google Quantum AI and collaborators reported Willow memory experiments with a logical-error suppression factor of 2.14 plus or minus 0.02 for each increase of two in surface-code distance.",
    "source_url": "https://www.nature.com/articles/s41586-024-08449-y",
    "context_url": "https://qubitwire.com/topics/error-correction",
    "checked_at": "2026-09-30",
    "limitation": "This is a logical-memory result. It does not demonstrate arbitrary fault-tolerant applications or application-level advantage. The paper also discusses correlated errors, scale-up and decoding challenges.",
    "annotation_status": "source_supported",
    "synthetic": false,
    "topic": "error-correction",
    "source_title": "Quantum error correction below the surface code threshold",
    "source_published_at": "2024-12-09",
    "source_location": "Abstract; A surface code memory below threshold; Figure 1c–d; Outlook",
    "notes": "The 28 April 2026 author correction fixes the repetition-code x-axis label and legend keys in Figure 3a. The publisher states that the HTML and PDF figure were amended.",
    "correction_url": "https://www.nature.com/articles/s41586-026-10559-8.pdf",
    "correction_published_at": "2026-04-28"
  },
  {
    "record_id": "qw-source-nist-fips203-final-20240813",
    "title": "ML-KEM key encapsulation",
    "claim": "NIST published FIPS 203 as a final standard on 13 August 2024, specifying ML-KEM for key encapsulation with three parameter sets.",
    "source_url": "https://csrc.nist.gov/pubs/fips/203/final",
    "context_url": "https://qubitwire.com/topics/post-quantum-security",
    "checked_at": "2026-09-30",
    "limitation": "A KEM establishes a shared key under stated conditions. A standard does not certify an implementation or prove migration. NIST’s 17 November 2025 Planning Note flags an issue for a future revision.",
    "annotation_status": "source_supported",
    "synthetic": false,
    "topic": "post-quantum-security",
    "source_title": "FIPS 203: Module-Lattice-Based Key-Encapsulation Mechanism Standard",
    "source_published_at": "2024-08-13",
    "source_location": "Date Published; Abstract; Planning Note (11/17/2025); Document History",
    "notes": "The linked potential-updates spreadsheet was inaccessible in this run; its detailed changes were not reviewed.",
    "errata_url": "https://csrc.nist.gov/files/pubs/fips/203/final/docs/fips-203-potential-updates.xlsx"
  },
  {
    "record_id": "qw-source-nist-fips204-final-20240813",
    "title": "ML-DSA digital signatures",
    "claim": "NIST published FIPS 204 as a final standard on 13 August 2024, specifying ML-DSA algorithms for generating and verifying digital signatures.",
    "source_url": "https://csrc.nist.gov/pubs/fips/204/final",
    "context_url": "https://qubitwire.com/topics/post-quantum-security",
    "checked_at": "2026-09-30",
    "limitation": "Digital signatures and key encapsulation serve different purposes. Publication does not certify deployment or implementation security. NIST’s 31 July 2026 Planning Note lists minor issues for correction in a future revision.",
    "annotation_status": "source_supported",
    "synthetic": false,
    "topic": "post-quantum-security",
    "source_title": "FIPS 204: Module-Lattice-Based Digital Signature Standard",
    "source_published_at": "2024-08-13",
    "source_location": "Date Published; Abstract; Planning Note (07/31/2026); Document History",
    "notes": "The linked potential-updates spreadsheet was inaccessible in this run; its detailed changes were not reviewed.",
    "errata_url": "https://csrc.nist.gov/files/pubs/fips/204/final/docs/fips-204-potential-updates.xlsx"
  },
  {
    "record_id": "qw-source-nist-fips205-final-20240813",
    "title": "SLH-DSA hash-based signatures",
    "claim": "NIST published FIPS 205 as a final standard on 13 August 2024, specifying the stateless hash-based digital-signature algorithm SLH-DSA, based on SPHINCS+.",
    "source_url": "https://csrc.nist.gov/pubs/fips/205/final",
    "context_url": "https://qubitwire.com/topics/post-quantum-security",
    "checked_at": "2026-09-30",
    "limitation": "This is a digital-signature specification. It does not establish an organization’s migration, certify an implementation or provide a key-encapsulation algorithm.",
    "annotation_status": "source_supported",
    "synthetic": false,
    "topic": "post-quantum-security",
    "source_title": "FIPS 205: Stateless Hash-Based Digital Signature Standard",
    "source_published_at": "2024-08-13",
    "source_location": "Date Published; Abstract; Document History",
    "notes": "No Planning Note or errata link was displayed on the checked final record. This is a page-and-date observation, not a guarantee against future corrections."
  },
  {
    "record_id": "qw-source-qoblib-benchmarking-20260812",
    "title": "Shared optimization benchmarks",
    "claim": "IBM’s 12 August 2026 QOBLIB update describes ten shared optimization problem classes with metrics and classical baselines for comparing quantum and classical methods.",
    "source_url": "https://www.ibm.com/quantum/blog/qoblib",
    "context_url": "https://qubitwire.com/articles/quantum-optimization-finally-gets-a-shared-scoreboard-that-matters",
    "checked_at": "2026-09-30",
    "limitation": "A benchmark library is not a solver result or proof of quantum advantage. A comparison must solve the same workload and required quality against strong classical methods.",
    "annotation_status": "source_supported",
    "synthetic": false,
    "topic": "optimization-benchmarks",
    "source_title": "QOBLIB: tracking progress in quantum optimization",
    "source_published_at": "2026-08-12",
    "source_location": "What is QOBLIB?; Why the search for advantage runs through benchmarking",
    "notes": "This annotation covers benchmark infrastructure only. Changing submission counts and unrelated promotional advantage claims were excluded.",
    "related_source_url": "https://zib-aopt.github.io/QOBLIB/"
  }
]