%% You should probably cite draft-intesigroup-dlts-07 instead of this revision.
@techreport{intesigroup-dlts-02,
    number =    {draft-intesigroup-dlts-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-intesigroup-dlts/02/},
    author =    {Emanuele Cisbani and Daniele Ribaudo and Giuseppe Damiano},
    title =     {{Distributed Ledger Time-Stamp}},
    pagetotal = 16,
    year =      2021,
    month =     jun,
    day =       9,
    abstract =  {This document defines a standard to extend Time Stamp Tokens with Time Attestations recorded on Distributed Ledgers. The aim is to provide long-term validity to Time Stamp Tokens, backward compatible with currently available software.},
}