Identity before analysis
Resolve the material concept, physical instance and state that each record refers to.
Methodological principles
Every number retains its evidence.
Atlas separates material identity, state, transformation and evidence so technical teams can understand both a result and the physical record behind it.
State through time
Represent what is known about composition, quantity, form, location and custody at a point in time.
Typed transformation
Connect physical input states to outputs, intermediates, residues and losses through a defined process.
Evidence class
Distinguish measured, laboratory tested, declared, recorded, calculated, inferred, estimated, conflicting and missing evidence.
Explicit uncertainty
Show assumptions, confidence and unresolved gaps instead of compressing them into one number.
Calculation provenance
Preserve the inputs, boundary, method and version behind every derived result.
Bring one material, transformation or quality question.
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