udf:

UDF (Uniform Data Fingerprint)

[1] draft-hallambaker-udf-05 - Uniform Data Fingerprint (UDF) () <https://tools.ietf.org/html/draft-hallambaker-udf-05>

[2] draft-hallambaker-mesh-architecture-03 - Mathematical Mesh: Architecture () <https://tools.ietf.org/html/draft-hallambaker-mesh-architecture-03#section-4.2.1>