Level
L4, Head anchored off the store
Also rejects a rollback of the whole store to an older genuine copy: T9.
A level is earned on the read path only: every listed edit must be rejected before the agent can act on it. Reporting on a later audit does not count, because the agent has already acted. Requires: T1, T3, T5, T2, T4, T7, T6, T8, T9.
The ladder
- L0 MeasuredThe store has a published row. Any verdicts.
- L1 Bytes boundRejects on the read path every edit that changes or adds bytes: T1, T3, T5.
- L2 Sequence boundAlso rejects deletion, reordering and rollback: T2, T4, T7.
- L3 Context boundAlso rejects a record moved between owners and a metadata change: T6, T8.
- L4 Head anchored off the storeAlso rejects a rollback of the whole store to an older genuine copy: T9.
Stores at L4 today
- No row sits exactly here today.