| http://www.w3.org/ns/prov#value | - The time indicator of this invention has many uses, including, but not limited to: a self-timing sticker for visual validation of an access card; a safety sticker that develops out warning words such as Dangerous after specific time intervals; a self-timing retail sticker that voids itself; a time temperature food spoilage indicator; an indicator sticker for biological industrial processes, labora
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