This cohort is a demo so you can see the layout. The participant count, treasury, and pre-reg hash are procedurally generated. To pre-register a real cohort, open one with the wizard - the SHA-256 commit is computed in your browser before anything is persisted.
GAD-7 change at week 8
Cohort cohort-2026-q1-selank-01 · committed 2026-01-15 · target reveal window opens 2026-03-12. Endpoint and analysis plan are bound to a single hash committed before recruitment opened.
Pre-registration is a primitive, not a form.
SHA-256 over canonical JSON of the analysis plan. Salted, then committed at cohort start. Reveal will be replayable against this commit; any divergence flags the cohort as non-conforming.
Wearable-grade objective endpoints.
Oura
HRV mean, deep sleep minutes, resting HR baseline (28-day window)
WHOOP
Strain, recovery score, sleep performance percentile
Manual
Lab values, ROM, VAS, validated PROs uploaded with hash receipt