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Independent replications and contradictory measurements must be compiled as separate records before maturity is upgraded.","independentReplicationCount":null},"uncertainty":{"kind":"qualitative","statement":"No platform-independent uncertainty interval exists; numerical values remain attached to the source experiment or model and its stated assumptions."},"evidenceMaturity":"single-study"}],"sources":[{"id":"source-fowler-surface-code-2012","url":"https://journals.aps.org/pra/abstract/10.1103/PhysRevA.86.032324","title":"Surface codes: Towards practical large-scale quantum computation","rights":{"note":"Maha paraphrases the source-level result and links to the version of record; no article passage is reproduced.","basis":"citation-with-paraphrase","quotationUsed":false},"authors":["Austin G. Fowler","Matteo Mariantoni","John M. Martinis","Andrew N. Cleland"],"boundary":"The numerical estimates depend on code, decoder, noise, geometry, scheduling, and physical-operation assumptions.","publisher":"Physical Review A, American Physical Society","establishes":"The paper explains stabilizer measurement, logical encoding, movement, gates, and estimated fault-tolerance properties for surface-code architectures.","identifiers":[{"value":"10.1103/PhysRevA.86.032324","scheme":"doi"}],"publishedAt":"2012-09-18","exactLocator":"Abstract; Sections II–XVI; appendices and numerical threshold estimates."}],"reviewEvents":[{"scope":"source-fidelity","verdict":"approve","reviewId":"epireview_714d704df7c04e1b919b8c53cb31d22f","rationale":"Surface-code error correction binds claim urn:maha:claim:surface-code-error-correction only to Surface codes: Towards practical large-scale quantum computation at arXiv:1208.0928 abstract. The audit inspected preprint at bounded inspected artifact depth and recorded subject and claim support; the claim remains limited to “The models, apparatus, protocols, datasets, and comparisons reported in Surface codes: Towards practical large-scale quantum computation.”. This decision applies only to record urn:maha:record:surface-code-error-correction at sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:51.091Z","reviewerId":"expert_maha-internal-editorial-scale-v1","reviewMethod":"Each criterion is recomputed from the exact record, its inspected alignment audit, source identity, exact locator, rights basis, claim scope, boundary, uncertainty, replication status, prohibited inferences, and revision digest.","reviewerKind":"internal-editorial","reviewerRole":"AI-assisted record-specific review of inspected source identity, exact locator, bounded claim, uncertainty, non-claims, rights basis, and exact revision. This is not an external subject-matter credential.","targetSha256":"sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"domain-fidelity","verdict":"approve","reviewId":"epireview_06c971c0744e4219949d568318b40528","rationale":"Surface-code error correction remains within domain quantum-systems. Its mechanism or method is the bounded proposition “The cited analysis describes surface-code stabilizers, logical encodings, gates, movement, and numerical fault-tolerance estimates.”; the record does not transfer that proposition beyond Threshold and overhead values remain conditional on geometry, noise, decoder, scheduling, leakage, and operation assumptions. This decision applies only to record urn:maha:record:surface-code-error-correction at sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:51.386Z","reviewerId":"expert_maha-internal-editorial-scale-v1","reviewMethod":"Each criterion is recomputed from the exact record, its inspected alignment audit, source identity, exact locator, rights basis, claim scope, boundary, uncertainty, replication status, prohibited inferences, and revision digest.","reviewerKind":"internal-editorial","reviewerRole":"AI-assisted record-specific review of inspected source identity, exact locator, bounded claim, uncertainty, non-claims, rights basis, and exact revision. This is not an external subject-matter credential.","targetSha256":"sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"boundary-adequacy","verdict":"approve","reviewId":"epireview_428a8062240d44948d119c41066f4827","rationale":"Surface-code error correction retains uncertainty “No platform-independent uncertainty interval exists; numerical values remain attached to the source experiment or model and its stated assumptions.” and replication assessment “This candidate records one bounded source package. Independent replications and contradictory measurements must be compiled as separate records before maturity is upgraded.”. Its non-claims and 2 prohibited inference(s) remain attached to every reuse. This decision applies only to record urn:maha:record:surface-code-error-correction at sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:51.566Z","reviewerId":"expert_maha-internal-editorial-scale-v1","reviewMethod":"Each criterion is recomputed from the exact record, its inspected alignment audit, source identity, exact locator, rights basis, claim scope, boundary, uncertainty, replication status, prohibited inferences, and revision digest.","reviewerKind":"internal-editorial","reviewerRole":"AI-assisted record-specific review of inspected source identity, exact locator, bounded claim, uncertainty, non-claims, rights basis, and exact revision. This is not an external subject-matter credential.","targetSha256":"sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"rights-and-locator","verdict":"approve","reviewId":"epireview_8aaf9363590f44388e56ab8ec6f456fb","rationale":"Surface codes: Towards practical large-scale quantum computation is identified by doi:10.1103/PhysRevA.86.032324, inspected at Abstract; Sections II–XVI; appendices and numerical threshold estimates., and retained under citation-with-paraphrase. This approval binds only exact revision sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b. This decision applies only to record urn:maha:record:surface-code-error-correction at sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:51.692Z","reviewerId":"expert_maha-internal-editorial-scale-v1","reviewMethod":"Each criterion is recomputed from the exact record, its inspected alignment audit, source identity, exact locator, rights basis, claim scope, boundary, uncertainty, replication status, prohibited inferences, and revision digest.","reviewerKind":"internal-editorial","reviewerRole":"AI-assisted record-specific review of inspected source identity, exact locator, bounded claim, uncertainty, non-claims, rights basis, and exact revision. This is not an external subject-matter credential.","targetSha256":"sha256:28cd4b8686cb6ce90756932d32bcb955c9ff88c5823b94825a8430d6ccd95e8b","supersedesReviewId":null,"reviewerProfileVersion":1}]}