Camera settings, capture time and IPTC captions are stored in a signed cawg.metadata assertion. Serial numbers and maker notes are never included, and location is left out unless you include it.
cawg.metadata
Recorded as the IPTC digital source type of the c2pa.created action (ISO/IEC 21617-1, 4.4.4 and 5.3.5).
c2pa.created
Stored as a jpt.rights assertion (ISO/IEC 21617-1, 5.6.3.1). Training and mining uses marked Constrained, and the copyright field when left empty, then refer to it.
jpt.rights
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