International Business Machines Corporation

Lisa M Dender

Robert Tucker Sanders

Matthew Chalkley

An example operation may include one or more of retrieving a first disclosure for a first component, the disclosure including one or more first substances of note (SN) and corresponding first SN values from a blockchain, and determining a second disclosure for a second component comparable to the first component, the disclosure disclosing one or more second SN and corresponding second SN values. An example operation may further include one or more of generating a representative article including a common group of SN and representative SN common group values for each SN of the common group, a first remaining SN group of first SNs not included in the common group of SN and corresponding representative first SN values, and a second remaining SN group of second SNs not included in the common group of SN and corresponding representative second SN value, where the representative article represents the use of either the first component or the second comparable component.

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Maryville, TN, United States of America

Lisa M Dender