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Victor KuznetsovandClaude Fable 4.5
e09104e39f
Muse Image (muse-image-1.0, Meta Superintelligence Labs, 2026-07-07) ships every output with Content Seal, a proprietary invisible pixel watermark, and no visible mark. Establish support documentation and a verified corpus: - data/contentseal/: five own generations via the Meta Model API, every oracle verdict recorded in manifest.csv (44 rows, settled-text protocol, fresh-navigation variant for calibration rows) - Oracle: meta.ai/identification web tool only; no API endpoint exists in the Meta Model API (verified against dev.meta.ai/docs); internal REST pair documented with its server-side sliding-window rate limit - Removal: default qwen-zimage profile clears Content Seal (oracle-verified on the worst source); strength floor derived at 0.1 by the standard worst-boundary-plus-cross-source-spread method, recorded but not encoded as a constant since no provenance signal routes Muse output onto a vendor cohort - Seal robustness measured: survives resize, JPEG q85, metadata stripping, CDN WebP transcode; dies to center crops and diffusion regeneration - tests/test_contentseal_corpus.py guards manifest integrity Co-Authored-By: Claude Fable 4.5 <noreply@anthropic.com>
