Optional
ChecksumCRC32This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 32-bit CRC32 checksum of the object. For more information, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumCRC32CThe base64-encoded, 32-bit CRC32C checksum of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumSHA1The base64-encoded, 160-bit SHA-1 digest of the object. This will only be present if it was uploaded with the object. With multipart uploads, this may not be a checksum value of the object. For more information about how checksums are calculated with multipart uploads, see Checking object integrity in the Amazon S3 User Guide.
Optional
ChecksumSHA256This header can be used as a data integrity check to verify that the data received is the same data that was originally sent. This header specifies the base64-encoded, 256-bit SHA-256 digest of the object. For more information, see Checking object integrity in the Amazon S3 User Guide.
Optional
ETagEntity tag returned when the part was uploaded.
Optional
LastDate and time at which the part was uploaded.
Optional
PartPart number identifying the part. This is a positive integer between 1 and 10,000.
Optional
SizeSize in bytes of the uploaded part data.
Container for elements related to a part.