Production signer U280 route at 300 MHz

Identity and boundary

Evidence tier

U280 placement and route

Topology

Raw production signer top; three clusters × four contexts

Cryptographic subject/source commit

dbd18593527673be2a93d7067ee03667892c582a

Cryptographic source dirty

no

Producing narrative

Read the privacy-sanitized source record
fpga/u280/README.md

Measurements

No measurement is recorded at this pending boundary.

Supported claims

This pending gate supports no claims.

Explicit nonclaims

• complete placement or route
• 300 MHz setup or hold closure
• routed resources
• shell or card throughput

Tools

No producing tool is recorded at this pending boundary.

Artifacts

No immutable artifact digest is recorded for this boundary.

Next gate

Attempt the 3.333 ns variant separately after the 4.000 ns result is understood; never combine their reports.