TempMail Cloud editorial evidence ? RFC 6238 test-vector reproduction Executed locally: 2026-09-29 PKT Method: 30-second step, T0=0, 8 digits, HMAC SHA-1/SHA-256/SHA-512 Secrets: the public ASCII test secrets from RFC 6238 Appendix B; no live account secret was used. Unix 59: SHA1=94287082, SHA256=46119246, SHA512=90693936 Unix 1111111109: SHA1=07081804, SHA256=68084774, SHA512=25091201 Unix 1111111111: SHA1=14050471, SHA256=67062674, SHA512=99943326 Unix 1234567890: SHA1=89005924, SHA256=91819424, SHA512=93441116 Unix 2000000000: SHA1=69279037, SHA256=90698825, SHA512=38618901 Unix 20000000000: SHA1=65353130, SHA256=77737706, SHA512=47863826 Source: https://datatracker.ietf.org/doc/html/rfc6238#appendix-B