MFG Calcs Signals

How to Verify Every Number

Every MFG Calcs index and ledger carries a SHA-256 of its artifact and inputs, so any reading can be re-hashed, regenerated from public data, and dated in git.

What this Signal shows

  • Verify any MFG Calcs index number by re-hashing the committed artifact, re-running the open generator, and reading the git timestamp.

Last reviewed 2026-10-01.