@misc{rfc9921,
    series =    {Request for Comments},
    number =    9921,
    howpublished =  {RFC 9921},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC9921},
    url =       {https://www.rfc-editor.org/info/rfc9921},
    author =    {Henk Birkholz and Thomas Fossati and Maik Riechert},
    title =     {{CBOR Object Signing and Encryption (COSE) Header Parameter for Timestamp Tokens as Defined in RFC 3161}},
    pagetotal = 21,
    year =      2026,
    month =     feb,
    abstract =  {This document defines two CBOR Object Signing and Encryption (COSE) header parameters for incorporating timestamping based on RFC 3161 into COSE message structures (COSE\_Sign and COSE\_Sign1). This enables the use of established timestamping infrastructure per RFC 3161 in COSE-based protocols.},
}