Source-indexed chronology
Each event linked to the material supporting it.
Documented comparison of statements, records, dates and unresolved gaps.
The exact scope, source material, intended use and deliverable are confirmed in writing.
Each event linked to the material supporting it.
Convergence, divergence and unresolved wording shown clearly.
Evidence needs and technical questions listed without speculation.
Any conclusion is bounded by the examined material, access, quality, method and stated assumptions.