data anchor

Definition

Data anchors are digests of digital data, that uniquely identify this data. The digest is the anchor and can be used to identify - and point to the data at the same time.

Anchoring data

The act of creating the digest of arbitrary data and then hook (or reference) the digest to (in) another data structure is called 'anchoring data'.

KERI related

SADs are a type of data anchors.

Beware

Link anchors are a totally different concepts.