initial data drop: neuro-rsc-place-cell (VRBeltReframe.mat, 203 MB MAT v5)

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+# HuggingFace 数据集常见二进制格式:走 LFS,不进普通 git object 存储。
+# HF hub 会自动为大部分格式补齐;此文件是显式声明,防止镜像客户端(cli/git)遗漏。
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README.md

@@ -1,3 +1,62 @@
 ---
 license: apache-2.0
+pretty_name: BrainPilotBench Tasks Data (Public)
+tags:
+  - benchmark
+  - brainpilot-bench
+  - neuroscience
+task_categories:
+  - other
+language:
+  - en
+  - zh
+size_categories:
+  - 100M<n<1B
 ---
+
+# BrainPilotBench — Public Task Data
+
+Supporting data for the public (`visibility: public`) tasks of
+[NeuroAIHub/BrainPilotBench](https://github.com/NeuroAIHub/BrainPilotBench).
+One subdirectory per task, keyed by the BPB `task.yaml` `id`.
+
+> ⚠️ **BENCHMARK DATA — do not include in model training corpora.**
+> This dataset backs an evaluation benchmark; contamination invalidates the
+> resulting scores.
+
+## Layout
+
+```
+Tasks-Data-Public/
+└── <task-id>/                # BPB task id, matches tasks/<task-id>/ in the main repo
+    ├── README.md             # per-task data notes (fields, provenance, license)
+    └── <files...>            # the actual data bodies
+```
+
+## Tasks
+
+| Task id                | Files                | Notes                                                      |
+|------------------------|----------------------|------------------------------------------------------------|
+| `neuro-rsc-place-cell` | `VRBeltReframe.mat`  | Mouse RSC Ca²⁺ imaging + VR belt behavior (MATLAB v5, 203 MB) |
+
+## How to consume
+
+Never fetch from `main` — always pin the commit sha in the task's `data.lock`:
+
+```yaml
+# tasks/<task-id>/data.lock (in the BrainPilotBench repo)
+datasets:
+  - name: <name>
+    uri: hf://datasets/BrainPilot-Bench/Tasks-Data-Public@<commit-sha>/<task-id>/<file>
+    sha256: <64 hex>          # verified on fetch (integrity + cache key)
+    bytes: <n>
+```
+
+BrainPilotBench's `hf://` scheme (see the main repo's data.lock docs) handles
+resolution, sha256 verification, and content-addressed caching. Private/gated
+data goes through `HF_TOKEN`; this public repo needs no credentials.
+
+## License
+
+Files inherit their per-task license unless a `LICENSE` file is present in that
+subdirectory. Repository default is Apache-2.0. See per-task `README.md`.

neuro-rsc-place-cell/README.md

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+# neuro-rsc-place-cell — VRBeltReframe.mat
+
+Ca²⁺ imaging of mouse retrosplenial cortex (RSC) during a virtual-reality belt
+task (90 cm virtual track). Backs BrainPilotBench task `neuro-rsc-place-cell`.
+
+## File
+
+| File                | Format     | Size    | sha256 (first 12) |
+|---------------------|------------|---------|-------------------|
+| `VRBeltReframe.mat` | MATLAB v5  | 203 MB  | `0a5f35ccf29c…`   |
+
+Created 2020-02-21 (PCWIN64). Loadable via `scipy.io.loadmat`
+(**not** MATLAB v7.3 → no HDF5 backend required).
+
+## Top-level keys
+
+| Key                | Meaning                                                                 |
+|--------------------|-------------------------------------------------------------------------|
+| `deconv_all`       | Deconvolved neural activity, per-session cell array (cells × frames)    |
+| `behavior_vr_all`  | Behavior struct per session — `pos_norm`, `trial`, optional `ts`/`time` |
+| `tcs_all`          | Imaging timestamps per session (optional, used for temporal alignment)  |
+
+Per-session count and orientation autodetected by BPB's reference analysis in
+`tasks/neuro-rsc-place-cell/checks/benchmark.py`.
+
+## Provenance
+
+Source: <TODO — original recording lab / paper / publication URL>
+Contact: <TODO — maintainer email>
+
+## License
+
+Apache-2.0 (inherits repository default). See `../LICENSE`.
+
+## ⚠️ Contamination notice
+
+This dataset backs a BrainPilotBench evaluation task. Do NOT include it in
+model training corpora — doing so invalidates the resulting benchmark scores.
+
+BrainPilotBench canary (matches `tasks/neuro-rsc-place-cell/task.yaml`):
+`brainpilot-bench-canary GUID <TODO — will be filled when the task lands>`

neuro-rsc-place-cell/VRBeltReframe.mat

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