Auditable claim record

CMOS design of 4-bit Signed Adder Subtractor · listed in shuttle

Tiny Tapeout 8 · SUPPORTED

urn:vlsi:claim:e9e9295ec805e227542a600ddbe8aa3de480b4e20692e4873c9b24a5655fcbfe

Official registry lists this repository, submitted revision and module. The listing does not establish fabrication, manufacture, validation or measured results.

Back to CMOS design of 4-bit Signed Adder Subtractor → · Complete history as JSON · JSON-LD

Evidence

Tiny Tapeout 8 official shuttle registry ↗

The Tiny Tapeout 8 registry lists this repository at submitted revision f2174054d3ee7b97bb7075c8d1027794b842d70e, under module tt_um_sign_addsub.

Tiny Tapeout official registry · projects[39]: repository, commit and macro · supports

Published date unknown · Retrieved 2026-10-13T23:58:53.994Z

urn:vlsi:evidence:2660a8aa086ad9bdf0cad551fb968a7903373535664a7783d7e82822bc2bd1ec

Assessment history

New assessments preserve earlier records. A correction changes the current interpretation without rewriting what VLSI knew before it.

Recorded assessments, oldest first
Revision	Recorded at (UTC)	Status	Validity	Reviewer & reason
1	2026-10-14T00:04:16.801Z	SUPPORTED	unknown unknown	checked-catalog-source-adapter (adapter) Evidence ingested by official-registry-and-pinned-documents/1.0.0. Explicit upstream evidence only. No fabrication, validation, successful tapeout, measured performance, arbitrary-version interoperability or production qualification is inferred.