Return the hash of an xml proof or pdf certificate
extract_hash(x)
x | filename or URL pointing either to the xml proof or the pdf certificate issued from OriginStamp. |
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an hash
object containing the hash as used in the proof
extract_hash("https://raw.githubusercontent.com/rkrug/ROriginStamp/master/inst/proof.Bitcoin.xml")#> [1] "2c5d36be542f8f0e7345d77753a5d7ea61a443ba6a9a86bb060332ad56dba38e"extract_hash("https://raw.githubusercontent.com/rkrug/ROriginStamp/master/inst/certificate.Bitcoin.pdf")#> [1] "2c5d36be542f8f0e7345d77753a5d7ea61a443ba6a9a86bb060332ad56dba38e"