Foundations
Historical and at-use validity
A rule can be valid for interpreting a past event and inadequate for a current decision.
When it applies
Separate event, issue, knowledge, expiry and use dates.
Sources
Relationships
- candidate transfer · To
Event time and knowledge time
A later rule may support historical reinterpretation while being expired or unauthorized for a new action; event time and current-use validity must be checked separately.
Aplicación propuesta desde un contrato de rama de octubre de 2026; no atribuye ese contrato al sistema de 2018.
- documented use · From
Record before admission
The dual-time contract makes a later implementation obligation explicit: historical reinterpretation and current permission to rely on a certificate must be evaluated separately.
El contrato permanece en PR60 y requiere infraestructura independiente de firmas, reloj, derechos y estado de revocación.