> ## Documentation Index
> Fetch the complete documentation index at: https://project-brain.rocheaiops.net/llms.txt
> Use this file to discover all available pages before exploring further.

# How B.R.A.I.N. remembers

> Durable session-independent memory with provenance and recoverable history.

A session is a working context, not the only place a fact exists. Accepted records persist in PostgreSQL with evidence, authority, confidence, context, status, and predecessor links. A new session can retrieve the current applicable record and explain its source.

<a href="/assets/visuals/teach-recall-correct.svg" target="_blank" rel="noreferrer" aria-label="Open full-size diagram: Teaching and correction lineage"><img src="https://mintcdn.com/roche-ai-ops/zV65QLx2v4-e7KNO/assets/visuals/teach-recall-correct.svg?fit=max&auto=format&n=zV65QLx2v4-e7KNO&q=85&s=f358f5f2c3c0410a5a1773f4df279e93" alt="Teaching and correction lineage" noZoom width="1440" height="730" data-path="assets/visuals/teach-recall-correct.svg" /><span className="sr-only">Open full-size diagram: Teaching and correction lineage</span></a>

Finalized Gemini Live transcripts enter the same event path as text. Raw PCM is transient; it is not the durable memory. Backup and isolated-restore qualification demonstrated that active and superseded lineage can be recovered together. See [conversation and Live](/architecture/conversation-and-live) and [backup and recovery](/architecture/backup-and-recovery).