| http://www.w3.org/ns/prov#value | - fferent from the medium intrinsic information B2 recorded on the disc 100 (step S15) is superimposed. [0129] As described above, when the individual user uses the recording device 10 to record information signals, such as image signals, which are allowable for copying in an ordinary manner for private use, the medium intrinsic information B1 superimposed on the information signals recorded on the
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