Decoder implementation profile verd-pillow/1

The pinned toolchain and the CPNP-1 execution the corpus was generated under.

1. OverviewCorpus release 1 · corpus id ver-decoder-corpus/1 · 2026-08-25
2. §1What this profile namesThree version planes, none of which is the other.
3. §2The pinned toolchainRecorded from the build that produced the committed corpus bytes and the digests in manifest.json.
4. §3CPNP-1 as this profile executes itEvery selection below is made by services/verd/src/verd/cpnp.py.
5. §4PROVISIONAL, and how an implementation stops being itE12's second paragraph, in full:
6. §5What this establishes, and what it does notEstablishes.
7. §6What corpus release 1 does not pinStated plainly, because a reference corpus that quietly omits a code path is worse than one that names its gaps.
8. §7Provenance of this directoryEvery image was produced by scripts/make_decoder_corpus.py from closed-form integer arithmetic over the pixel grid — no seeded RNG, no fonts, no floating point.
9. §8References