{"id":"paycheck","path":"/v1/paycheck","price":"$0.05","goldenVector":"TX $85k single biweekly -> net $2,639.52/check, fed $9,870.00, FICA $6,502.50 (Reckon VERIFICATION.md 2026-07-08)","sources":[{"label":"2026 federal brackets & standard deduction","ref":"IRS Rev. Proc. 2025-32","asOf":"2026"},{"label":"2026 FICA / Social Security wage base $184,500","ref":"SSA 2026 + IRS Notice 2025-67","asOf":"2026"},{"label":"2026 state income-tax schedules (51 jurisdictions)","ref":"State revenue departments / Tax Foundation 2026","asOf":"2026"}],"machineCheckable":true,"sampleInputs":{"salary":85000,"state":"TX","filingStatus":"single","payFrequency":"biweekly"},"expectedResult":{"inputs":{"salary":85000,"state":"TX","filingStatus":"single","payFrequency":"biweekly"},"stateName":"Texas","stateTaxType":"No state income tax","federalTax":9870,"stateTax":0,"socialSecurity":5270,"medicare":1232.5,"additionalMedicare":0,"ficaTotal":6502.5,"totalTax":16372.5,"netAnnual":68627.5,"netPerCheck":2639.52,"periodsPerYear":26,"effectiveRatePct":19.26,"federalMarginalRatePct":22},"expectedResponseHash":"sha256:33907ce0528475a75e5ab406f00cd1a1e612a762263ca98c1b7597f4fe2a6d49","howToVerify":"POST these sampleInputs to /v1/paycheck; the paid result and provenance.responseHash must equal expectedResult / expectedResponseHash here. Proves our math independent of trusting us."}