Deterministic content provenance & semantic watermarking.
Xi embeds semantic markers into content structure — not visible overlays, not editable metadata. Identical content yields bit-identical markers on any host; verification survives common transformations; and a cryptographic provenance chain makes origin and modification tamper-evident.
Verified, test-backed claims. The mathematical core and embedding mechanics stay sealed; what is shown is behaviour a buyer can check.
Video and 3D: reduced support in current version.
Markers live in the content's semantic structure, so they are not removable like a visible overlay nor forgeable like a metadata tag. Verification is deterministic and reproducible across hosts; the provenance chain is cryptographic rather than trust-based.
Video and 3D have reduced support today; severe transformations (major edits, re-encoding) can break verification — use the original for the strongest check. Independent cryptographic audit is scheduled and available to evaluation partners under NDA. Embedding mechanics and the frozen core stay sealed.