Hashing
A one-way digest algorithm that maps data of arbitrary length to a fixed-length fingerprint, used to detect tampering and bind to a specific file. It does not involve identity or intent verification.
Timeline (last 90 days)
The proof dimensions of hashes, watermarks, and signatures are mutually independent: a hash proves "the content has not changed", a watermark proves "the origin or processing path", and a signature proves "the key approved this payload".
A hash retains only one bit of information—same or different—and loses all structure of the input, so unequal hashes cannot indicate that two paths have any relationship.
All Facts (2)
The proof dimensions of hashes, watermarks, and signatures are mutually independent: a hash proves "the content has not changed", a watermark proves "the origin or processing path", and a signature proves "the key approved this payload".
50%UnverifiedA hash retains only one bit of information—same or different—and loses all structure of the input, so unequal hashes cannot indicate that two paths have any relationship.
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