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Victor Kuznetsov
d38b9a6122
Oracle validation (openai.com/verify + the Gemini app) overturned three claims that were on main, and consolidates the controlnet findings into one authoritative place. - controlnet does NOT reliably remove SynthID at the low vendor-adaptive strength: removal is content x pipeline dependent and the survivors FLIP by content type (photoreal survives controlnet / clears default; flat graphic survives default / clears controlnet; flat text clears both). Root cause is insufficient strength, not the pipeline; controlnet needs a higher, per-vendor floor than default. - removal near the threshold is SEED-non-deterministic (same image+pipeline+strength can pass or fail run-to-run); a single clean run does not certify a strength. - `--restore-faces` RE-INTRODUCES SynthID: GFPGAN runs on the ORIGINAL watermarked face at weight 0.5 and composites it back over the cleaned result (clean A/B: a Gemini face stayed detected through controlnet 0.15/0.20/0.25 WITH restore, cleared at 0.20 with --no-restore-faces). The old "GFPGAN scrubs SynthID" claim was wrong. Corrected in CLAUDE.md (watermark_remover controlnet bullet, controlnet Known-limitations bullet, face_restore bullet, vendor-adaptive strength bullet) and docs/synthid.md (5.1 controlnet/face-identity, 5.2 strength floors, new 5.5 oracle validation log). docs/controlnet-removal-pipeline-research.md gains an authoritative "Oracle validation 2026-06-04" section that the others point to as the single source. Docs only; no code change. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>