PNG IHDR jcaBX jjumb jumdc2pa 8qc2pa 6jumb Gjumdc2ma 8qurn:c2pa:4bb3c34d-f2b9-49d6-b1fa-ee5b243d0dd3 jumb )jumdc2as 8qc2pa.assertions jumb )jumdcbor 8qc2pa.actions.v2 cborgactionsfactionlc2pa.createdmsoftwareAgentdnamefGPT-4oqdigitalSourceTypexFhttp://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMediafactionnc2pa.converted jumb (jumdcbor 8qc2pa.hash.data {cborjexclusionsestart!flength7(dnamenjumbf manifestcalgfsha256dhashX Hh/{