| An element (a cell) stored in the file |
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| Special linkage containing |
- Hash of model or file and optionally its references
- Signer's certificate
- Time of signing
- Optional information, such as expiration, annotation data, signature graphics, or list of prerequisite signatures
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"Signature cells"
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A signature cell is really just a cell. It is created and managed as a normal cell in a cell library. It is then placed in the model that is being signed. What makes a signature cell special is that it itself is digitally signed |
