PO-8
Unit Ledger
The dimensional contract prohibits identifying a structural coordinate with a physical dimension without calibration.
[eS]=[ΔS]=[S], [eD]=[ΔD]=[𝔇]
[eR]=[‖K‖], [ε-][m]=[K]
[κ][m]=[S][𝔇]
Prohibition: writing ‖K‖∼ħ requires an explicit calibration χK or a proof that the dimensions coincide.