EU AI ACT • PROVENANCE

LLM Text Watermarking & Provenance Simulator

Engine Ready • Kirchenbauer Soft Watermark
Watermark Parameters
2.0
Higher δ ensures undetectable evasion but slightly reduces generation perplexity.
0.50
42
1-gram
Perturbation Attacks
Token Sequence Inspector
Green List (G) Red List (R)
Click any token in the stream above to inspect its hash partition, logit delta, and prefix seed.
Hypothesis Testing & z-score Distribution H₀: Human Text (p=γ) vs H₁: Watermarked
Calculating detection hypothesis... p < 0.0001
Detection Telemetry
Total Tokens (T)
0
Green Tokens (|G|)
0
z-score (z)
0.00
Observed Green Rate: 0.0%
Theoretical H₀ Expected (γ): 50.0%
Significance Threshold (α=0.01): z > 2.33
EU AI Act Article 50 Provenance
• Watermark Mode: Statistical Soft Logit (Kirchenbauer)
• Provenance Cryptoseed: HMAC-SHA256 (Simulated)
• Compliance Verdict: Compliant AI Transparency
• Robustness Rating: High (z > 4.0)
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