[
 {"id":"C1","text":"R3 (Liu & Zhao) is unverifiable: its title and year (2024) disagree with the bibliographic record, and the attributed entry-year jump of 3.4-3.7% is contradicted by the gradual path (0.005 at tau=0; 0.037/0.034 at tau=4/5).","results_keys":["reference_checks","unverifiable_references"],"status":"supported","caveat":"Table 3 header is garbled; column order taken from the editor's note and confirmed by the Section 3.2 text."},
 {"id":"C2","text":"R1, R2, R4 and R5 pass all three checks, so n_verified = 4.","results_keys":["reference_checks","n_verified"],"status":"supported","caveat":"R1 relies on Table 6 SE 0.210 although Table A19 prints 0.218; R4 own-wage SE (0.091) duplicates the affected-employment SE in the source."},
 {"id":"C3","text":"The extracts contain internal inconsistencies (R1 SE and control-region counts; R4 duplicated SE; R5 abstract vs Table 3 headline) that are reported but do not change any verdict.","results_keys":["data_issues"],"status":"supported","caveat":"Cannot be resolved without the full papers, which are inadmissible."},
 {"id":"C4","text":"A header-only baseline (title/year checks) flags the same single reference, R3.","results_keys":["baseline_unverifiable_title_year_only"],"status":"supported","caveat":""}
]