New · FBM Core Engine v1.0

Your Body-ID.

Three inputs. One of 19,683 mathematically unique cells. Your deterministic fitness fingerprint — reproducible, shareable, defensible. Zero vibes. Zero black-box AI.

🔢 27 × 27 × 27 = 19,683 🔐 SHA-256 signable ♾ Same input = same ID forever

Build your ID · 3 inputs · 30 seconds

Pick your three.

Cell Index

Dimension

Cycle Class

—

Invariant

Recommended weekly split

Build 0% Preserve 0% Cut 0%

Math trace will appear here.

Match a plan →

Save your Body-ID · Free

Lock it in. Unlock the full plan.

We’ll keep your fingerprint safe + send your tailored 5-week onboarding — archetype-specific, anatomy-driven, English-only. No spam. Unsubscribe anytime.

Welcome email arrives in 30 seconds Personalized to your archetype Includes your matched program + macro split

✓ Saved · Inbox armed

YOUR BODY-ID IS LOCKED IN.

Welcome email landing in your inbox in 30 seconds. Your archetype profile + matched program are inside.

View my matched plan →

Your Body-ID is computed from a publicly documented formula — base-3 decomposition of three 27-valued inputs into a 9-digit base-3 integer, cell ∈ [0, 19682]. Same inputs always yield the same ID. Read the math.