# Structural Core

> The architectural rules that preserve structural integrity — a single authoritative source, no shortcuts, no fallbacks, no duplication, no orphaned artifacts.

Record: `algorithms:structural-core`
Kind: algorithm
Layer: [Structural Core](https://banes-lab.com/records/layer/structural-core.md)
Canonical: https://banes-lab.com/ontology/algorithms#algorithms-structural-core
Closure: https://banes-lab.com/json/records/algorithms/structural-core/closure

Listed in [Algorithm contracts](https://banes-lab.com/api/records/algorithms.md), after [Architectural Relationship Algebra](https://banes-lab.com/records/algorithms/architectural-relationship-algebra.md) and before [Correctness Core](https://banes-lab.com/records/algorithms/correctness-core.md).

## Domain

- [Architectural Clusters](https://banes-lab.com/records/algorithms-domain/architectural-clusters.md)

## Tier

- [exempt](https://banes-lab.com/records/vocabulary/domain-tier-exempt.md)

## Principle

- [Single Source of Truth](https://banes-lab.com/records/architecture/single-source-of-truth.md)

## Composed by

- [Finite State Machine](https://banes-lab.com/records/algorithms/finite-state-machine.md)
- [Constraints Over Shortcuts](https://banes-lab.com/records/algorithms/no-shortcuts.md)
- [Forward Compatibility Over Backward Compatibility](https://banes-lab.com/records/algorithms/no-backward-compat.md)
- [Fail-Fast Over Fallback](https://banes-lab.com/records/algorithms/no-fallback.md)
- [Explicit Removal Over Deprecation](https://banes-lab.com/records/algorithms/no-deprecation.md)
- [Greenfield Over Legacy](https://banes-lab.com/records/algorithms/no-legacy.md)
- [Single-Path Determinism Over Dual-Path](https://banes-lab.com/records/algorithms/no-dual-path.md)
- [Compression Over Repetition](https://banes-lab.com/records/algorithms/no-uncompressed.md)
- [Semantic Addressing Over Location Addressing](https://banes-lab.com/records/algorithms/no-location.md)
- [Homoiconicity Over Separation](https://banes-lab.com/records/algorithms/no-separation.md)
- [Bounded Complexity Over Unlimited](https://banes-lab.com/records/algorithms/no-unlimited.md)
- [Rule As Code Over Convention](https://banes-lab.com/records/algorithms/no-convention-enforcement.md)
- [Injected Dependency Over Hidden](https://banes-lab.com/records/algorithms/no-hidden-dependency.md)
- [Convention Discovery Over Hardcoded Wiring](https://banes-lab.com/records/algorithms/no-hardcoded-wiring.md)

## Contract of

- [Structural Core](https://banes-lab.com/records/layer/structural-core.md)

## Linked from

- [Schema / Canonical Data / Semantics](https://banes-lab.com/ontology/principles/architecture-category-schema-canonical-data-semantics.md)
- [Architecture](https://banes-lab.com/ontology/algorithms/algorithms-domain-architecture.md)
- [Architectural Rules](https://banes-lab.com/ontology/algorithms/algorithms-domain-architectural-rules.md)
- [Domain tiers](https://banes-lab.com/ontology/schema/the-vocabulary-domain-tier.md)
- [The layer topology](https://banes-lab.com/ontology/schema/the-layer-topology.md)