textGrain watermarking is harder to detect: can sum-tests still do it optimally?

stat.ML, cs.IT, cs.LG, math.IT, math.ST, stat.ME, stat.TH

Submitted: 2026-10-13

Updated: 2026-10-13

Comments: Working draft; comments are welcome

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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