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README.md

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+---
+license: creativeml-openrail-m
+tags:
+  - stable-diffusion
+  - text-to-image
+  - onnx
+  - sona-forge
+---
+
+# Stable Diffusion 1.5 — ONNX FP16 (sona-forge mirror)
+
+Mirror of the Stable Diffusion 1.5 ONNX FP16 weights bundled with the
+[Sona Forge](https://github.com/virtaava/mobile-ai-image-app) Android app.
+
+The local-first Sona Forge architecture requires every binary the app fetches
+at runtime to live on a single, stable mirror under
+[`huggingface.co/sona-forge`](https://huggingface.co/sona-forge), so that a
+provider-side change (account rename, file deletion, hash drift) cannot break
+end-user installs.
+
+## Provenance
+
+These files are byte-identical mirrors of:
+
+- `nmkd/stable-diffusion-1.5-onnx-fp16` @ `38dacf2c14c89e3538b5e32da888eb9c46e0e1bf`
+
+which itself is an ONNX FP16 conversion of the Stable Diffusion 1.5 weights
+originally released by Runway and CompVis under the
+[CreativeML Open RAIL-M](https://huggingface.co/spaces/CompVis/stable-diffusion-license)
+licence. The licence is preserved in the Sona Forge in-app
+"Open-source notices" screen.
+
+## Layout
+
+```
+text_encoder/model.onnx    246 MB    text encoder
+unet/model.onnx              1 MB    unet graph (external-data references weights.pb)
+unet/weights.pb            1.7 GB    unet weights (external data)
+vae_decoder/model.onnx      99 MB    vae decoder
+vae_encoder/model.onnx      68 MB    vae encoder
+tokenizer/                            CLIP BPE tokenizer (vocab, merges)
+scheduler/                            DDIM scheduler config
+model_index.json                      diffusers pipeline manifest
+```
+
+`unet/model.onnx` references `weights.pb` via ONNX external-data, so both
+files must live in the same `unet/` subdirectory at load time.
+
+## SHA-256 manifest
+
+The Sona Forge app verifies every file against a per-file SHA-256 declared in
+`app/src/main/assets/model_manifests/manifest.json` before loading it. If the
+content of this mirror ever drifts from what the app expects, the download
+will fail-closed with a hash mismatch — Toni will know before any user does.