First implementation (#1)

Reviewed-on: #1

CHANGELOG.md

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+# Changelog
+
+A change to any computed value is a breaking change and needs a new major version of the format it touches; see [spec/00-introduction.md](spec/00-introduction.md).
+
+## 0.1.0
+
+The first release.
+
+- The specification, in chapters 0 to 23, covering every format: 32 formats, of which 19 are `candidate` and 13 `provisional`.
+- 42 JSON Schemas, using a keyword subset that independent validators read alike.
+- Tables for SQLite, Dolt and PostgreSQL, a team's store, and the SQLite bundle with full-text search.
+- The JSON-LD context for layers, and registries of formats, rules, download-stamp rules and default stage requirements.
+- Test vectors for every computed value, from canonical JSON to anchor resolution, grading and the target set of targeted F3.
+- Example packages (a converted chemistry paper with corrections and receipts, its checks-only export, an open-access paper, a Typst draft and a tiny document, also as a zip), a record of every other format, and 31 broken packages, each breaking one named rule.
+- Work keys minted from a Scholar-style citation key and a hash of the work's identity, with document keys for versions; `tag:` URIs for layers, annotations and documents.
+- Spot-check seeds as VRF proofs (RFC 9381), RFC 9162 inclusion and consistency proofs, a history root over every document's corrections, and a provisional transparency log with signed checkpoints.
+- Signed QA reports, a conformance checklist covered by a receipt, and a `description` annotation for the figure descriptions an accessible export needs.
+- ML-DSA-65 (FIPS 204) as a signature scheme, with a reference implementation checked against NIST's vectors; `cose` reserved; `did:key` identifiers for roster keys; the hash algorithm named in every document; model provenance by weights, prompt and parameters; witnesses and a static tile layout for the log; and the character data pinned to Unicode 16.0.
+- Guides for newcomers: an overview, the concepts, a walkthrough of the example paper, runnable examples, the rationale, a FAQ and a glossary.
+- Tools that build and check everything, validate packages and zipped packages and run proposed corrections through the gate, load packages into SQLite or a bundle, and stress the reference implementation with random inputs.
+- A pixi workspace pinned to Python 3.14, with tasks for checking, building, linting, validating and loading.