Mark locally.
Verify provenance yourself.

Xi ships a proof pack after access review — not a public ag* binary. Buyer verifies markers; coefficients stay sealed.

proof pack buyer-verify access required

three steps

TXT · PDF · PNG · MP3 and more on the pavilion matrix. Video/3D reduced support.

Get proof pack

Request via /access/ — approved evaluators only.

No public engine download

Sign & verify

sign_media --locked --in sample.png --out marked.png
sign_media --verify marked.png

Commands ship inside partner pack

Check result

round_trip_ok · format · chain_ok

Deterministic on identical content

verifier (in pack)

sign_media --verify marked.png

Proof pack via /access/ · sign_media ships with evaluator drop

No public ag* command for Xi. Formula lane is version-pinned and sealed.

Privacy: signing runs locally on your files.

proof surface

sign_mediamark + verify

format matrixpavilion table

fuzz summarycrash-free scope

sealed · never exposed

formula coefficientsnever shipped

peek APInot available

key fields

marker_hash format chain_ok

evidence ledger

Pinned gate run · scope-labelled numbers only.

headlinemark/verify

scopeper-format pass/fail matrix

gatevalidation_gate PASS

tests931 tests summed

reproducerdemo log reproduce

Mark locally.Verify provenance yourself.