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open-standards/wai/live-conformance/contribution
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Transaction Science 7d37ccca8f wai.media.contribution: a control for the second site of each check 
An inpainting whose region does not regenerate, a record whose output samples are not
its size, an edit over a held input of another size, a selection whose output is not
its member, a crop of the wrong size without its input, a rotation by five quarter
turns, and the record's own party, session and signer; a prev that skips its
predecessor. state_map gives an operation it cannot read no mapping (unknown) rather
than panicking.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
2026-10-21 13:11:59 -04:00
..
README.md wai.media.contribution: registry, SPEC §5, CHANGELOG, CI step, corpus README 2026-10-21 12:58:55 -04:00
vectors.json wai.media.contribution: a control for the second site of each check 2026-10-21 13:11:59 -04:00

README.md

live-conformance/contribution — contribution records

The corpus of extensions/contribution.md §12, in one file, vectors.json: the model files its sessions generate with (models, each its sha256 and its file as text), and the vectors, each a case of §10.1 and what a verifier gives it.

A case holds its policy (tier); the session record and its memberships, the contribution record, the disclosed steps (each its step text and its inclusion proof, a list of siblings in hexadecimal), the authorship map, the prompt openings, each as a JSON text; the states it holds, each an RGB8 buffer in hexadecimal, named by its SHA-256; the models it holds, each by the SHA-256 of a file in models; and the origins it holds, each an origin claim of synthesis §3.1 as a JSON text.

Contribution equivalence. For each vector, a conforming verifier reaches the outcome it states:

  • refuse: the reason and where, at: ["session"], ["session", "party", i], ["membership", i], ["record"], ["step", i], ["map"], ["map", x, y], ["opening", i], ["origin", i] or ["policy"];
  • accept: the statements of §10.4: the tier; the link hashes of the session and the record; each disclosed step's seq, act, party, check and status; the number of steps committed and not disclosed; the shares of the computed and the stated map, each its samples, its made_by and directed_by counts per party, and the counts of unknown and undisclosed samples of each set; the record's estimates as stated; the origin agreement (agree, not-checked or null); and the C2PA statement of §9.2 as its JCS text (c2pa), or null where a step is not disclosed.

A verifier that reaches another outcome, reason, place or statement does not conform.

Provenance. wai_contribution_vectors gen writes vectors.json from records authored in code: every key is SHA-256 of the corpus's label and an index, every drawn picture and brush stroke is SHA-256 output of a label, every generated picture is made by wai.generate.spectral with the model file of its conformance vector (wai-rs/tests/vectors/generate/ generate_spectral_model.json, held here byte for byte in models), every time is a constant, and Ed25519 signing is deterministic, so the file is the same bytes on every machine. Every state is named by the SHA-256 of its RGB8 samples.

python3 -I ../contribution_verify.py .