{"source":"semconv","version":"1.44.0","attribute":{"id":"tls.client.hash.sha1","type":"string","stability":"development","brief":"Certificate fingerprint using the SHA1 digest of DER-encoded version of certificate offered by the client. For consistency with other hash values, this value should be formatted as an uppercase hash.","examples":["9E393D93138888D288266C2D915214D1D1CCEB2A"],"namespace":"tls","definedIn":"model/tls/registry.yaml","usedBy":[]},"history":[{"version":"1.30.0","publishedAt":"2025-01-24T19:11:42Z","kind":"first-seen","detail":"Already present at v1.30.0, the oldest release tracked here (experimental)."},{"version":"1.31.0","publishedAt":"2025-03-11T00:53:13Z","kind":"stability-changed","detail":"Stability label respelled from experimental to development.","severity":"informational"}],"replaces":[]}