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Save To GenAsset: metadata.repro_lock

Repro Lock Metadata

Automatically records the environment and model context used to create every Save To GenAsset version.

Use when

Use it whenever reproducibility matters and you need to know why the same prompt/seed might behave differently later.

Behavior

  • Runs automatically inside Save To GenAsset.
  • Captures ComfyUI, GenAsset node, Python, Torch, CUDA/MPS, and custom-node version context.
  • Hashes model files when practical and falls back to size/mtime for very large files.

Inputs

hidden prompthidden workflow metadataComfyUI environmentmodel references

Outputs

metadata.repro_lockworkflow_hashenvironment snapshotmodel file metadata

Notes

  • There is no separate Repro Lock canvas node. Use Save To GenAsset or Preview Repro Lock in the Manager Health tab.