Learn English – Synonym for “without signature”

synonyms

I am looking for a one word synonym for the notion "Without signature" for the domain of computer science, where "unsigned" usually means "a numerical data type which proscribes negative values", so I do not want to confuse my users.

For my specific scope, the "Without signature" means that a component failed to provide a signed identification (the signature itself) which was signed by a central authority (signing: The component provides an identification text, some operations are performed on it by the central authority in order to generate a unique and valid ID which is the signature)…

A very specific use case (as per David's comments), and I am sorry for the deep technical details:

if(component.signature() == unsigned)
{
    // do something with unsigned components
}
else
if(component.signature() == company)
{
    // do something with company signed components
}
else
if(component.signature() == consultants)
{
   // do something with components singed by consultants
}

but unsigned is a reserved word in most programming languages 🙁

Best Answer

The conventional term for this is unsignatured.

unsignatured — adj. * * * unˈsignatured, ppl. a. (un 1 8.) Brydges Censura Lit. III. 342 Such notes..as appear unsignatured at the bottom of the page.

signature 2. Base verb from the following inflections: signaturing, signatured, signatures, signaturer, signaturers, signaturingly and signaturedly

Also consider:
sig·na·ture·less, adjective

Usage examples from different contexts:

d) Unsignatured ELT Signals The existing 121.5/243 MHz signals are unsignatured, i.e., they do not at present carry any form of unique identifying code to enable the LUT to separate the frequency ... (Intl. Elec. Elecs. Conf. Proc.)

Signatured parts tend to occupy a pitch-range roughly a fifth lower (for one flat) than unsignatured upper parts in the same pieces, … (Music)