Appendix 5—table 4. Compliance of NWB+DANDI with FAIR principles: Reusability.

	Reusable
	R1. (Meta)data are richly described with a plurality of accurate and relevant attributes	R1.1. (Meta)data are released with a clear and accessible data usage license	R1.2. (Meta)data are associated with detailed provenance	R1.3. (Meta)data meet domain-relevant community standards
Custom	No	N/A. Usage licences are typically managed by data archives	No	No
Zarr	No		No	No
HDF5	No		No	No
NIX	User defined		No	User defined
NWB 1.0	Yes		Yes. NWB 2 .x further refined this significantly	Yes
NWB 2 .x	Yes		Includes detailed metadata about publications, experimenters, devices, subjects etc. Derived data (e.g., ROIs) link to the source data	Yes, NWB provides detailed, neurophysiology-specific data schema
DANDI	Uses NWB and defined dandiset schema	All data in DANDI is published with a clear data usage licence	Dandisets support detailed metadata about the data generation Dandisets are versioned	Uses NWB