Digital signature system

A computer system including one or more processors, a memory, and a bus that couples the one or more processors including the memory to each other, the memory stores one or programs to define a digital signature system comprising:

• a multi-level signature seal comprising:
• an attestation for a document made by a conveyor;
• and
• machine-readable code configured to direct a user, upon scanning or selecting the machine-readable code, to a validation portal for the attestation;
• the validation portal comprising:
• an artifact graphically indicating a current validation status of the attestation;
• and
• a validation link configured to direct the user, upon selection, to multi-level signature data comprising static information that is available in the document, static information that is not available in the document, and dynamic information that is not available in the document;
• and
• a user dashboard configured to allow the conveyor to manually validate and invalidate the attestation, the user dashboard comprising a scans widget that, upon selection, directs the user to a scan details informational view.