Core Concepts

Event

An event is a single recorded fact. It represents something that occurred at a point in time.

Examples:

  • A model produced an output
  • A policy version was applied
  • A decision was recorded

ChainOfFact does not interpret events.


Append-Only Ledger

Events are written once and never modified or deleted.

Each event links cryptographically to the previous event.


Absence

If a field or event was not recorded, it is considered UNKNOWN.

ChainOfFact does not infer missing information.


Verification

Verification recomputes hashes from stored data and compares them to recorded values.

Verification does not require trusting ChainOfFact.