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Cohort journey · end-to-end

From sealed commit to revealed outcome.

The post-surgical Achilles cohort, ID cohort-2026-q2-tendon-01. 60 participants, 16-week observation, primary endpoint goniometric ROM gain. Every reading you see below either accrued via Oura/WHOOP telemetry or was uploaded with a hash receipt - none of it is back-fillable.

Active
56
of 60 enrolled
Withdrawals
4
6.7%
Mean Δ ROM
+14.81°
95% CI [13.67, 15.94]
p-value
0.0008
two-sided paired t-test
Anomaly flags
3
wearable + PRO triggers

16-week ROM gain trajectory

Heavy line: weekly mean across the active cohort. Shaded band: 95% CI. Light strands: six representative individual trajectories. Vertical dashes: weeks where wearable or PRO telemetry tripped an anomaly threshold.

ROM gain trajectory · weekly mean (95% CI) · n=56y · degrees from baseline
0°5°10°15°wk 0wk 4wk 8wk 12wk 15+14.81°

The commit-reveal arc

  1. 012026-03-04

    Pre-registration sealed

    Endpoint, analysis plan, Merkle root over participant set, salt.

  2. 02wk 1 → wk 16

    Telemetry accrual

    Wearable + PRO uploads landing weekly. Every reading hashed to OEA accrual log.

  3. 03wk 6 + wk 16

    Interim + primary readouts

    Pre-specified time points. No early peeking; analysis plan locked at step 01.

  4. 042026-06-24

    OEA-V1 revealed

    Plain-text plan + Merkle proofs published. Anyone replays the chain in their browser.

Anomaly intake - 3 flags

WeekParticipantTriggerAction
wk 3p-cohort-2026-q2-tendon-01-58Resting HR + 14 bpm sustained 5 daysReviewed · continued
wk 4p-cohort-2026-q2-tendon-01-24WHOOP recovery score < 40 for 7 consecutive daysReviewed · continued
wk 7p-cohort-2026-q2-tendon-01-18HRV deep-sleep mean drop > 12 ms over baselineReviewed · continued

Participant-level outcomes

first 12 of 60
ParticipantConsentWearablesBaseline ROMFinal ΔStatus
p-cohort-2026-q2-tendon-01-012026-03-05OuraWHOOP77.9°+21.4°On protocol
p-cohort-2026-q2-tendon-01-022026-03-08Oura73.2°+12.3°On protocol
p-cohort-2026-q2-tendon-01-032026-03-07Oura84.3°+23.3°Withdrew
p-cohort-2026-q2-tendon-01-042026-03-09Oura88.3°+13.1°On protocol
p-cohort-2026-q2-tendon-01-052026-03-09Oura73.7°+22°Withdrew
p-cohort-2026-q2-tendon-01-062026-03-04OuraWHOOP54.1°+13.6°On protocol
p-cohort-2026-q2-tendon-01-072026-03-10OuraWHOOP88.9°+21.1°On protocol
p-cohort-2026-q2-tendon-01-082026-03-06Oura81.4°+10.6°On protocol
p-cohort-2026-q2-tendon-01-092026-03-05Oura90.4°+14.8°On protocol
p-cohort-2026-q2-tendon-01-102026-03-08OuraWHOOP82.4°+10.1°On protocol
p-cohort-2026-q2-tendon-01-112026-03-06Oura69.3°+12.2°On protocol
p-cohort-2026-q2-tendon-01-122026-03-04Oura79.2°+14.4°On protocol
OEA-V1 reveal
Mean Δ +14.81°
95% CI [13.67, 15.94] · p=0.0008 · n=56
Grade BVerify the OEA →
commit: 3fd91ef640d920893dd91bd03ed91d6343d9254244d926d541d9221c42d923af
plan_hash: f2116c20f3116db3f4116f46f51170d9f611726cf71173fff8117592f9117725
participant_root: fe4bb6a1fd4bb50efc4bb37bfb4bb1e8024bbced014bbb5a004bb9c7ff4bb834
oea_hash: a82b8670a92b8803aa2b8996ab2b8b29ac2b8cbcad2b8e4fae2b8fe2af2b9175