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remove-ai-watermarks/docs
Victor KuznetsovandClaude Opus 5.5 5a0f771ed7 Close the remaining raw-byte identity scans and unify two rules
- A decoded manifest no longer takes its generator from a raw
  claim_generator CBOR value or a soft binding from raw bytes. Device tokens
  (NIKON, Pixel Camera, sony.sig) stay a byte scan, since the decoded strings
  do not carry them, but read the manifest store: an EXIF Make beside an
  unrelated AI manifest is not a verified capture. The source-kind scan keeps
  the whole buffer because it also reads IPTC digitalSourceType in XMP.
- The byte fallback's c2pa.ai-disclosure kind now uses the structured rule:
  human_validated beside prompt_guided is a generation, not an enhancement.
- Wan and Yuanbao share BottomRightAnchoredEngine instead of two copies of
  the corner gate. The Yuanbao anchor test shifted the mark outside the locate
  window, so it passed with or without the gate; it now shifts it inside.

Verdicts over 1,379 C2PA files, 468 fixture and capture files, and Wan and
Yuanbao detections over 285 images are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-26 22:19:30 -07:00
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