{
  "id": "crocoddyl-examples-double-pendulum-fwddyn-py",
  "name": "crocoddyl: double pendulum fwddyn",
  "summary": "Official crocoddyl python script example for double pendulum fwddyn. Inspect the pinned source and upstream setup before use.",
  "framework": "crocoddyl",
  "kind": "official_example",
  "source_registry": "ecosystem-examples-v1",
  "capabilities": [
    "optimal-control"
  ],
  "robot_types": [
    "source-defined"
  ],
  "robot_scope": "Discovery labels inferred from this source path; inspect its robot configuration for compatibility. Project-wide categories are not a supported-robot list.",
  "source": {
    "repository": "https://github.com/loco-3d/crocoddyl",
    "commit": "babab496116e883960a9203df8fbac25a05116ee",
    "tag": "reviewed-2026-10-20",
    "path": "examples/double_pendulum_fwddyn.py",
    "url": "https://github.com/loco-3d/crocoddyl/blob/babab496116e883960a9203df8fbac25a05116ee/examples/double_pendulum_fwddyn.py",
    "raw_url": "https://raw.githubusercontent.com/loco-3d/crocoddyl/babab496116e883960a9203df8fbac25a05116ee/examples/double_pendulum_fwddyn.py",
    "sha256": "7c7d1db844c5029349c6ab7479fc250bee156a812353a80d491f86cf8d52d72a",
    "bytes": 5064
  },
  "license": {
    "spdx": "BSD-3-Clause",
    "url": "https://github.com/loco-3d/crocoddyl/blob/babab496116e883960a9203df8fbac25a05116ee/LICENSE",
    "sha256": "3b1ee503de76b2218f779f50523e71821232102b4a15cf51a30e28ec996cfcb8",
    "scope": "Repository-root code terms only; file headers, third-party code, models, weights, assets and datasets require separate review."
  },
  "access": {
    "mode": "source_reference",
    "hub_prepare": false,
    "instructions": "Fetch the pinned repository, verify this source checksum, and use upstream installation and invocation. This record does not install or execute code.",
    "setup_url": "https://github.com/loco-3d/crocoddyl/blob/babab496116e883960a9203df8fbac25a05116ee/README.md"
  },
  "requirements": {
    "python": "Inspect the pinned upstream package metadata for the supported Python version.",
    "packages": [],
    "display": "Upstream simulator, robot model, build, display and device requirements; inspect the selected source.",
    "execution_domain": "simulation-or-hardware",
    "source_imports": [
      "crocoddyl",
      "crocoddyl.utils.pendulum",
      "example_robot_data",
      "gepetto",
      "numpy",
      "odyn.utils",
      "os",
      "signal",
      "sys",
      "time"
    ]
  },
  "invocation": {
    "entrypoint": "python examples/double_pendulum_fwddyn.py",
    "notes": "Source reference only. Install the pinned upstream project and its stated dependencies explicitly. Robot bridges may actuate hardware; no hardware execution is established. Asset, model, SDK and data terms remain separate."
  },
  "popularity": {
    "metric": "github_stars",
    "repository_stars": 1322,
    "checked_at": "2026-10-20",
    "meaning": "Dated repository interest, not robot-skill usage, compatibility or runtime success."
  },
  "evidence": {
    "level": "source_reviewed",
    "runtime_verification": "not_run",
    "checked_at": "2026-10-20",
    "inspection": "Fetched and SHA-256 checked this immutable source; statically parsed Python or located native main; verified pinned license bytes and checked explicit per-file license identifiers. No upstream code executed.",
    "entrypoint_kind": "python_script",
    "inspection_method": "automated_static"
  }
}
