Url (uniform resource locator) shortening service including a content integrity check

A computer program product (CPP) comprising:

• a set of storage device(s);
• and
• computer code stored collectively in the set of storage device(s), with the computer code including data and instructions to cause a processor(s) set to perform at least the following operations:
• receiving a uniform resource identifier (URI) associated with an original version of a resource that includes human understandable content,
• receiving the resource,
• creating a shortened URI,
• creating an original synopsis data set including a plurality of attribute values respectively relating to predetermined attributes of the human understandable content of the original version of the resource,
• subsequent to the creation of the original synopsis data set, receiving a request for the resource, from a requester and over a communication network, that identifies the resource by the shortened URI,
• responsive to the receipt of the request:
• fetching a current version of the resource, and
• determining that one, or more, of the attribute values of the current version of the resource have changed by more than a threshold amount relative to the attribute values of the original synopsis data set;
• and
• responsive to the determination that the attribute values of the current version of the resource have changed by more than a threshold amount, communicating a notification that the resource has changed to the requester over the communication network.

A computer system (CS) comprising:

• a processor(s) set;
• a set of storage device(s);
• and
• computer code stored collectively in the set of storage device(s), with the computer code including data and instructions to cause the processor(s) set to perform at least the following operations:
• receiving a uniform resource identifier (URI) associated with an original version of a resource that includes human understandable content,
• receiving the resource,
• creating a shortened URI,
• creating an original synopsis data set including a plurality of attribute values respectively relating to predetermined attributes of the human understandable content of the original version of the resource,
• subsequent to the creation of the original synopsis data set, receiving a request for the resource, from a requester and over a communication network, that identifies the resource by the shortened URI,
• responsive to the receipt of the request:
• fetching a current version of the resource, and
• determining that one, or more, of the attribute values of the current version of the resource have changed by more than a threshold amount relative to the attribute values of the original synopsis data set;
• and
• responsive to the determination that the attribute values of the current version of the resource have changed by more than a threshold amount, communicating a notification that the resource has changed to the requester over the communication network.