Evidence ledger and supplementary material for "Emissions and cost outcomes under additionality, temporal matching, and deliverability rules for grid-connected electrolytic hydrogen"

This record provides the supplementary material and machine-readable evidence ledger supporting a systematic review and cross-model evidence-conversion analysis of additionality, temporal matching, and deliverability rules for grid-connected electrolytic hydrogen. The Supplementary Material contains Tables S1 to S14, Figure S1, the PRISMA 2020 checklist, search documentation, evidence-conversion criteria, appraisal results, and the included-study inventory. Data S1 contains the evidence ledger covering 58 study-model experiments, 154 scenarios, 600 source-linked outcomes, 17 candidate within-study contrasts, and 638 model-credibility judgments.