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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-arute-random-circuits-2019","url":"https://www.nature.com/articles/s41586-019-1666-5","title":"Quantum supremacy using a programmable superconducting processor","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":["Frank Arute","Kunal Arya","Ryan Babbush","Dave Bacon","et al."],"boundary":"The reported advantage is task-, circuit-, fidelity-, classical-algorithm-, and comparison-hardware-specific and does not imply general commercial advantage.","publisher":"Nature","establishes":"The study reports random-circuit sampling on a 53-qubit superconducting processor and compares that bounded task with the classical methods and hardware considered in the paper.","identifiers":[{"value":"10.1038/s41586-019-1666-5","scheme":"doi"}],"publishedAt":"2019-10-23","exactLocator":"Abstract; Figures 1–4; Methods; Supplementary Information; data availability.","conflictsOfInterest":"Most authors were affiliated with Google and the work evaluates Google hardware."}],"reviewEvents":[{"scope":"source-fidelity","verdict":"approve","reviewId":"epireview_a141c92a9a4744008db794d02e645e9e","rationale":"Random-circuit sampling binds claim urn:maha:claim:random-circuit-sampling only to Quantum supremacy using a programmable superconducting processor at Repository copy of Nature 574, 505–510, “A suitable computational task”, “Fidelity estimation in the supremacy regime”, and Figure 4. The audit inspected repository-copy 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 Quantum supremacy using a programmable superconducting processor.”. This decision applies only to record urn:maha:record:random-circuit-sampling at sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:54.786Z","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":"sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"domain-fidelity","verdict":"approve","reviewId":"epireview_d6e233d576aa428b979b853006239c92","rationale":"Random-circuit sampling remains within domain quantum-systems. Its mechanism or method is the bounded proposition “The cited study reports random-circuit samples from a 53-qubit superconducting processor and cross-entropy-based verification for the reported circuit family.”; the record does not transfer that proposition beyond A speed comparison for random-circuit sampling is not evidence of faster performance on unrelated industrial workloads. This decision applies only to record urn:maha:record:random-circuit-sampling at sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:55.583Z","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":"sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"boundary-adequacy","verdict":"approve","reviewId":"epireview_b9229a81750e40d4a2a3668450885f98","rationale":"Random-circuit sampling 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:random-circuit-sampling at sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:55.818Z","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":"sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c","supersedesReviewId":null,"reviewerProfileVersion":1},{"scope":"rights-and-locator","verdict":"approve","reviewId":"epireview_c8198290b0f34ca68258e69768d7f936","rationale":"Quantum supremacy using a programmable superconducting processor is identified by doi:10.1038/s41586-019-1666-5, inspected at Abstract; Figures 1–4; Methods; Supplementary Information; data availability., and retained under citation-with-paraphrase. This approval binds only exact revision sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c. This decision applies only to record urn:maha:record:random-circuit-sampling at sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c and does not certify truth, external endorsement, independent reproduction, or fitness for use.","reviewedAt":"2026-08-30T16:01:55.921Z","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":"sha256:9a55b13c6103a3d54fdd798bf4ceeb49208fef4c65ad1ed5da2cd7f6fe4c8b6c","supersedesReviewId":null,"reviewerProfileVersion":1}]}