O
Obsidian
Ledger · 2026
Issue № 04 · Vol. MMXXVI

A ledger kept
behind the
hairline.

Access to the profit & loss terminal is reserved for named operators. Credentials are stored as one-way scrypt digests; there is no recovery flow, only re-issuance.

Session
30-day · HttpOnly
Rate limit
5 / 15 min
Authenticate
/auth · 01

“Margin is the only vernacular.”

Obsidian Ledger · RestrictedSet in Fraunces & Manrope