See How the Story Changed.

Ask a question across hours of archived footage. Strata finds every version, cites the exact moments, and builds the evidence reel.

Investigate archive

Exact

Source moments

Full

Archive search

Second

Challenge pass

01Feature

Source-locked investigation

Trace a changing claim, inspect exact footage, and test the first conclusion.

How it worksEvidence policy
Strata · Investigation workspace
Evidence Player
Source locked
Exact source workspace
TranscriptSource map
Official archive source

Exact source moment

Source title, publication date, and evidence transcript stay visible.

Source title · publication datePlayable evidence
SearchRetrieveCompareChallenge
Chronological evidence trail
Add to reelInspect

02Workflow

How it works

From a temporal question to source-locked, challengeable evidence.

Explore productEvidence policy
  1. Archive query
    SpeechOCRFrames

    Ask the archive

    Search speech, OCR, visual context, and indexed claim events across every source.

    Step01
  2. Source chronology
    T+01
    T+02
    T+03
    T+04

    Inspect the diff

    Review the chronological trail and open the exact source window behind every finding.

    Step02
  3. Challenge passed
    Reel ready

    Challenge & compile

    Run a separate counter-evidence pass, then compile chosen moments into a playable reel.

    Step03

03Evidence policy

Built for accountable answers

Conclusions stay inspectable, conservative, and tied to real footage.

Source lock

The evidence gate behind every conclusion

“If the archive cannot establish it, Strata says so.”

Exact timestampsInspectable sentence mapSeparate challenge pass

04System

One accountable workflow

From archive-wide retrieval to the final playable evidence packet.

Product previewRead the policy
1

Retrieve

Search every indexed source and hydrate exact playable moments.

2

Compare

Arrange accepted statements over time and expose what changed.

3

Challenge

Run a second archive-wide pass before compiling the evidence.

Evidence trail

Source

Every conclusion stays attached to footage.

What's included

  • Chronological claim-event timeline
  • Exact video and timestamp windows
  • Inspectable sentence-to-event mapping
Explore the workflow

Adversarial pass

Challenge

The first plausible answer is never treated as final.

What's included

  • Separate counter-evidence retrieval
  • New-source novelty inspection
  • Playable chronological evidence reel
Explore the workflow