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How credit is counted. Every method is counted once, across all test sets: with its T180 result and rank when it was run on T180, otherwise with its T46 result and rank (marked T46). First-author methods: methods whose first author is affiliated with the institution (country). All-author methods: methods with at least one author there (full counting). Fractional credit: each method carries a credit of 1 that is split equally among its authors, and each author's share is split equally across their affiliations (as in the Nature Index fractional count); a country's credit is the sum over its institutions. Performance-weighted credit multiplies each method's fractional credit by its top-1 match rate on T180 (so it mixes who contributed with how well the method does; keep it separate from the plain credit). Best method top-1 is the highest top-1 count among the group's methods. TCSPv3 is a software release with no author list, so its laboratory receives the full credit. Institutions and authors were extracted from each method's paper (arXiv author blocks and OpenAlex records); corrections are welcome as pull requests to data/orgs_meta.json.