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Déjà Vu Detector

Temporal Familiarity Bureau. Est. 2026. Not affiliated with any actual physics.

About the Bureau

The Temporal Familiarity Bureau operates as an independent body measuring the recurrence of specific moments in time, including this one. We are not affiliated with any physics department, philosophy faculty, or actual understanding of causality. We are a website. Our confidence scores carry no scientific weight. They do, however, carry the weight of that nagging feeling you get sometimes, which is often heavier.

The Temporal Familiarity Index

Every click is measured against an internal Temporal Familiarity Index (TFI), a proprietary scale from 90% to 99% confidence that this exact moment has occurred before. We do not go below 90%. In our experience, nothing ever scores below 90%.

The Index does not measure whether something actually happened before. It measures how strongly the Bureau feels that it did, which our research has found to be functionally identical.

The Loop Counter

Every detection increments a running loop count, seeded at a number the Bureau has chosen not to disclose. Attempts to reset this counter have a historical failure rate of 100%. We consider this data, not a bug.

Why This Matters

It doesn't, really. But you clicked the button, which means some part of you suspected this had already happened. That suspicion is the entire product. The confidence score is just paperwork.