add info.json, datacard and correct information in readme

DATASET_CARD.md

@@ -0,0 +1,40 @@
+# PiPER robot teaching episodes
+
+Short dataset card for the PiPER robot teaching episodes dataset.
+
+Description
+
+Versioning
+
+License
+
+How to use
+
+Contact
+
+# PiPER Robot Teaching Episodes
+
+Short dataset card for the PiPER robot teaching episodes dataset.
+
+Description
+- PiPER robot teaching episodes dataset containing HDF5 recordings, per-episode JSON metadata, and image folders captured from two cameras:
+	- `observation.images.table_cam` (cropped to 800x720)
+	- `observation.images.wrist_cam` (vertically flipped)
+
+Summary
+- **Total Episodes**: 13
+- **Unique Tasks**: 12
+- **Total Size (approx.)**: ~6.2 GB
+- **Recording Date**: November 2025
+
+Versioning
+- `info.json` at the repo root contains `codebase_version: v0.1` and the repository should be tagged with `v0.1` on the Hugging Face dataset. Creating the tag that matches `codebase_version` is the recommended way to ensure downstream tooling detects the dataset version.
+
+License
+- MIT
+
+How to use
+- Download the dataset from the Hugging Face Hub and parse the HDF5 files according to your data loader. Image folders contain PNG frames named like `frame_XXXXX.png` under `*_images/observation.images.*`.
+
+Contact
+- Dataset author: `charithmunasinghe`

README.md

@@ -24,6 +24,7 @@ This dataset contains teleoperation demonstrations recorded using the PiPER robo
 - **Total Size**: ~6.2 GB
 - **Cameras**: Dual camera setup (table_cam + wrist_cam)
 - **Recording Date**: November 2024
+ - **Recording Date**: November 2025
 
 ## Tasks Included
 

info.json

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+{
+  "name": "PiPER robot teaching episodes",
+  "description": "PiPER robot teaching episodes dataset containing HDF5 episode files, per-episode JSON metadata, and image folders for two cameras (table_cam and wrist_cam).",
+  "codebase_version": "v0.1",
+  "version": "v0.1",
+  "format": "lerobot.dataset.v3",
+  "lerobot_format_version": "3.0",
+  "license": "MIT",
+  "authors": ["charithmunasinghe"],
+  "tasks": ["robot_perception", "object_recognition", "imitation_learning"],
+  "modalities": ["image", "hdf5", "json"],
+  "estimated_num_files": 9200,
+  "notes": "Include this file at the dataset root and tag the HF dataset repository with the matching `codebase_version` (v0.1)."
+}