# Time stamp protocol

> cryptographic protocol

**Wikidata**: [Q4051497](https://www.wikidata.org/wiki/Q4051497)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Time_stamp_protocol)  
**Source**: https://4ort.xyz/entity/time-stamp-protocol


## References

1. RFC 3161: Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)
2. [Source](https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=pkix-timestamp)