Step 3 of 5

How long does it need to stay credible?

Longer windows require more work, denser metadata, period-consistent detail, layered provenance.

Single moment

posted, seen, scrolled past

Single moment

posted, seen, scrolled past

A day

responses, replies, immediate comments

A day

replies, immediate comments

A year

enters a longer record

A year

enters a longer record

A week

part of a current conversation

A week

part of a current conversation

3 Months

referenced in reports, follow-ups

3 Months

referenced in reports, follow-ups

Indefinitely

archive, historical document, legal context

Indefinitely

historical document, legal context