# F4
Principle F4 states that digital resources must be registered or indexed in a searchable resource (e.g., a search engine). The searchable resource provides the infrastructure by which a metadata record can be discovered, using either the attributes in that metadata or via the identifier of the resource itself.
-----
## More information
### Public
- [GFF Website - Interpretation of F4](https://www.gofair.foundation/f4)
- [Jacobsen et al](https://doi.org/10.1162/dint_r_00024)
-------
## Related
- [[GFF FAIR Interpretations]]
- [[Registry]]
------------
%%this looks wrong in editing mode but actually works when published / in preview mode%%
#### Return to the website: [![[gff_name.png|100]]](https://www.gofair.foundation/)