Here is a sealed quality record. Edit any field — change the result, bump the quantity, swap the inspector. The seal recomputes the instant you touch it, right here in your browser. Nothing can be altered without it showing.
That one check did the job of two entire product categories — the ones you pay for every year.
Tamper‑evidence isn’t a locked tier you rent and hope holds — it’s inherent, and anyone can check it themselves. You just did.
An audit trail that can’t be quietly edited — every entry self‑proves. Retention is the store itself, not a second bill that grows forever.
You changed a field by hand to see it. In practice, your own Claude, GPT, or Gemini drives this in plain English — it writes the instruction, North Star carries it out, and your data never reaches the model.
Backups, invoices, quality records, audit logs — all sealed the same way, all checkable by anyone, none of them quietly changeable.