Bi-temporal memory
thecontinuitylayer.com/glossary/bi-temporal-memoryThe definition
Memory that tracks two independent time axes — valid time (when a fact is true in the world) and record time (when the system learned it) — so it can answer both what is true now and what it believed, and when.
The same words the glossary hub and the public data mirror carry; this page is the stable address for the term.
Related terms
- Memory
The store of facts, preferences, and records a system keeps so it doesn’t start from nothing each time. What is stored — distinct from which stored facts are…
- Temporal validity
The span during which a fact was true, as distinct from when the system recorded it. A record with temporal validity can retire a stale value when a newer…
Where it shows up on this site
- What is a continuity layer · ReferenceThe definition, in full
- The primer: memory is not continuity · ReferenceSix distinctions, seven contrasts, the five obligations in brief
The working definition of a continuity layer, in full, is at /what-is-a-continuity-layer. Every term, on one page, at /glossary.