Add CIFAR-10 dataset cache

.gitattributes

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+datasets/**/archives/** filter=lfs diff=lfs merge=lfs -text

.gitea/workflows/validate.yml

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+name: validate-datasets
+on: [push]
+jobs:
+  verify:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          lfs: true
+      - run: git lfs fsck
+      - run: git clone --depth 1 --branch source-v0.2.0 https://github.com/spozi/kd-repair.git /tmp/kd-repair
+      - run: python -m pip install -e /tmp/kd-repair --no-deps
+      - run: python -m kd dataset registry-verify --registry-root .

.gitignore

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+.DS_Store
+*.tmp

README.md

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+# Private kd-repair dataset cache
+
+Private Git LFS cache. Canonical recipes and executable code live in the public source repository.

manifests/cifar10/1.0.json

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+{
+  "artifacts": {
+    "python": {
+      "path": "datasets/cifar10/1.0/archives/cifar-10-python.tar.gz",
+      "sha256": "6d958be074577803d12ecdefd02955f39262c83c16fe9348329d7fe0b5c001ce",
+      "size": 170498071
+    }
+  },
+  "dataset": "cifar10",
+  "recipe_sha256": "e44713f6a4c5e498fea95358c2469f59f7ad3fc948dfea9395ed2dd2a08907b2",
+  "schema_version": 1,
+  "terms_reviewed": true,
+  "total_bytes": 170498071,
+  "version": "1.0"
+}