Source identification, classification decisions, reconciliation results, evidence attachments, and the finalization hash.
Each finalized commit includes the previous hash. Tamper with any commit and every subsequent hash breaks.
Every classification decision records its source: prior decision, vendor pattern, rule match, or AI proposal.
EINs, SSNs, ITINs encrypted with AES-256-GCM. Full numbers require OTP verification to reveal.
Firm owners, staff accountants, and clients see different views of the same data.
When someone asks why a transaction was coded a certain way, the answer is in the commit dossier.