: It is characterized as a compact, versatile hub that uses a single lightweight cable to connect to complex imaging systems, such as functional neuroimaging arrays. Verification
On certain anonymous marketplaces, “verified” precedes a PGP-signed message. “hd” could be a product category (e.g., “hard drugs” encoded as “hd”) and “4 hubin” a recipient ID. The phrase would then be a verification of receipt —short, deniable, and easily mistakable for gibberish. hd 4 hubin verified