Metastable Resource Name#

MRNs are functionally similar to URNs. Unlike URNs, MRNs use regular URL-like query instead of r/q/f-components and have a simpler algorithm for escaping segments.

Escaping#

Out of ASCII printable characters, only the following are escaped:

• (space)
• :
• %
• ?

Examples#

• mrn:project:V1StGXR8_Z5jdHi6B-myT:file:input:00001.png
• mrn:project:V1StGXR8_Z5jdHi6B-myT:file:input:00001.png?size=thumbnail
• mrn:project:V1StGXR8_Z5jdHi6B-myT
• mrn:model:checkpoint:sdxl/sd_xl_base_1.0.safetensors
• mrn:model:checkpoint:sdxl/sd_xl_base_1.0.safetensors:cover
• mrn:model:checkpoint:~extra_directory/sd_xl_base_1.0.safetensors