SHA-1 hashes UTF-8 text and shows the digest in hexadecimal. SHA-1 collision resistance is broken; do not use it to verify authenticity or protect against tampering.
Text
SHA-1, hex:
da39a3ee5e6b4b0d3255bfef95601890afd80709
Verify independently with OpenSSL:
printf '%s' '' | openssl dgst -sha1
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