Integration of pictorial content into secure signature documents

A non-transitory computer-readable medium comprising instructions encoded thereon, the instructions causing one or more processors, when executing the instructions, to perform operations, the instructions comprising instructions to:

• receive, from an administrator of a secure document, a request to enable modification of a region of the secure document with an addition of pictorial content, the secure document configured to prevent modification of contents of the secure document by a signer, the secure document enabled to accept a signature on the secure document by the signer, wherein the request to enable modification of the region comprises a set of requirements comprising a requirement that the pictorial content include a predefined object and constraints on drawing on top of the pictorial content;
• receive, from the signer, a command to add first pictorial content to the region;
• responsive to receiving the command, determine whether the first pictorial content meets the requirement by verifying that the predefined object is included in the first pictorial content;
• responsive to determining that the first pictorial content meets the requirement, add the first pictorial content to the region;
• receive, from the signer, a signature on the secure document;
• receive second pictorial content from a participant in the secure document, wherein the participant is different than the signer;
• responsive to determining that the second pictorial content meets the requirement by verifying that the predefined object is included in the second pictorial content, add the second pictorial content to the region;
• annotate the first pictorial content with a first annotation by placing an identifier of the signer in conjunction with the first pictorial content, wherein the identifier of the signer comprises at least one of a user name of the signer or a legal name of the signer;
• annotate the second pictorial content with a second annotation by placing an identifier of the participant in conjunction with the second pictorial content, wherein the identifier of the participant comprises at least one of a user name of the participant or a legal name of the participant;
• and
• responsive to determining that the first pictorial content has been added, the second pictorial content has been added and the signature has been received, disable the secure document from accepting further modifications.

A system comprising:

• memory with instructions encoded thereon;
• and
• one or more processors that, when executing the instructions, are caused to perform operations comprising:
• receiving, from an administrator of the secure document, a request to enable modification of a region of the secure document with an addition of pictorial content, the secure document configured to prevent modification of contents of the secure document by a signer, the secure document enabled to accept a signature on the secure document by the signer, wherein the request to enable modification of the region comprises a set of requirements comprising a requirement that the pictorial content include a predefined object and constraints on drawing on top of the pictorial content;
• receiving, from the signer, a command to add first pictorial content to the region;
• responsive to receiving the command, determining whether the first pictorial content meets the requirement by verifying that the predefined object is included in the first pictorial content;
• responsive to determining that the first pictorial content meets the requirement, adding the first pictorial content to the region;
• receiving, from the signer, a signature on the secure document;
• receiving second pictorial content from a participant in the secure document, wherein the participant is different than the signer;
• responsive to determining that the second pictorial content meets the requirement by verifying that the predefined object is included in the second pictorial content, by the one or more processors, adding the second pictorial content to the region;
• annotating the first pictorial content with a first annotation by placing an identifier of the signer in conjunction with the first pictorial content, wherein the identifier of the signer comprises at least one of a user name of the signer or a legal name of the signer;
• annotating the second pictorial content with a second annotation by placing an identifier of the participant in conjunction with the second pictorial content, wherein the identifier of the participant comprises at least one of a user name of the participant or a legal name of the participant;
• and
• responsive to determining that the first pictorial content has been added, the second pictorial content has been added and the signature has been received, disabling the secure document from accepting further modifications.