Notes on verification

Consistently corroborated by the publisher, NDL, and multiple university library guides, all reproducing the same figures (53 magazines, Meiji 1868 to August 1945). These converge on the book's own stated scope rather than fully independent verification, but no contradictions found. [tier=silver indep_score=0.525 clusters=3 claim_tier=everyday | framework convergence=single on All sources describe the same single publication's stated scope and title count, as declared by the book/publisher itself (upstreams: 小林忠編『美術関係雑誌目次総覧:明治・大正・昭和戦前篇』(Kokusho Kankokai, 2000)) — publishers independent, evidence may not be | kind=empirical eligibility=high (extractor: empirical/medium)]