Role-based access
Separate workspace administration, model editing, source review, approval, and read-only visibility.
Arc Ledger / Security
Page Security and governance
Access with accountability.
Explore the control framework for planning and review. Account connections, role administration, and production audit logging are not enabled in this workspace.
A/LEvidence
before claims
before claims
01 The operating standard
Access with accountability.
Explore the control framework for planning and review. Account connections, role administration, and production audit logging are not enabled in this workspace.
Approval controls
Route material scenario changes and operating commitments to a named accountable reviewer.
Audit history
Preserve changes to assumptions, mappings, scenarios, notes, and decisions with clear timestamps.
Implementation boundaries
Define retention, environments, source access, exports, and recovery before production use.
Decision-ready by design
Keep the reasoning connected.
Arc Ledger keeps the team oriented around sources, assumptions, ownership, review, and the next decision throughout the planning cycle.