The Sovereign Spine: How Institutions Stay True to Their Intent Over Time

Staying aligned is not automatic—it is a capability.

Alignment does not persist on its own. This paper shows how institutions develop the capability to observe drift, measure coherence, and maintain fidelity to purpose over time. Maintaining the “Sovereign Spine” means actively managing how meaning is interpreted and translated across the organisation. Coherence is something institutions learn—not something they assume.

About the Coherence Programme
The Coherence Programme studies why institutions drift despite appearing aligned. It shows that decisions are made not on intent itself, but on how intent is translated into criteria, metrics, and allocation rules. Using the Operating Spine, the programme traces how purpose becomes action across governance layers, making drift and coherence directly observable within decision systems. The research applies to public institutions, capital allocation, and AI-mediated environments, where the durability of decision rules determines long-term institutional reliability.
Programme citation: Mertens, R. E. U. (2026). The Coherence Programme: A Conceptual Overview and Entry Point to the Research Programme.
Resources:  Coherence Programme OSF repository and https://thecoherenceprogramme.org

Version 1.00: First public release of the programme epilogue essay. This manuscript provides a narrative synthesis and practical interpretation of the research programme and does not present empirical datasets or formal measurement instruments. These are developed in the subsequent programme papers.
Version 1.01: Programme Consolidation Update: This version consolidates the manuscript within the unified Coherence Programme structure.Titles, terminology, and internal cross-references have been harmonised across the series to stabilise the programme’s core constructs:

• Translation Drift (mechanism)
• Translation Coherence (metric)
• Interpretive Maintenance (governance function)
• Distributed Coherence (theoretical integration)

No changes have been made to the formal architecture, boundary conditions, methodological logic, or theoretical claims.
The update improves cross-paper traceability, indexing consistency, and conceptual coherence across the programme.
Version 1.02: Terminology harmonisation and minor structural refinements to improve consistency across the Coherence Programme. No changes to the theoretical framework, constructs, or research design.
Version 1.03: Minor conceptual clarifications, consistency improvements, reviewer-informed refinements, and editorial updates across the programme.