The Concordance Engine v0.1.1 (Tier B): Reference Implementation of the Logotic Technique Catalogue

Tier B reference implementation of the Logotic Technique Catalogue (DOI: 10.5281/zenodo.19831619). A complete reference architecture with one runnable loop, not yet a production service. The Concordance Engine implements reusable coordination patterns first identified in adversarial AI-agent architectures, then reclassified for cooperative production, verification, and defensive provenance work within the Crimson Hexagonal Archive's witness-teaming methodology. In plain terms: Concordance Engine is a small reference system for running structured AI-assisted production loops where critique, revision, verification, human override, and provenance are treated as first-class artefacts. The Tier B release proves the pattern with one runnable Critique Loop and ships the surrounding prompts, schemas, and templates needed to extend the same pattern into future operatives. Bundle contents (75 files): Runnable Python package (concordance_engine/) with the Critique Loop implementation, type definitions, MANUS authority interface, Anthropic API substrate wrapper, and a mock substrate enabling zero-secret demonstration Five agent system prompts (Critic, Reviser, Verifier, Chartering Agent, Archivist) at calibrated register Eight skill specifications (four cooperative, four defensive) with frontmatter-loadable structure per the catalogue's V.9 / VI.9 patterns Five middleware specifications (Skills, Citation, Provenance, Verification, Collision-Detection) Aperture Atlas Cypher schema deployable to Neo4j 5.x, with three standing queries (ghost basins, competitor responses, outbound references) and seed JSON Four templates (Zenodo deposit, license header, hex coordinate, DISC-NNN record) Project governance documents: Charter, Plan-State, Citation Plan, Construction Plan Sample draft and captured Critique Loop session Smoke tests: 12 invariants verified without API calls What runs: The Critique Loop (catalogue §V.12) executes end-to-end against the Anthropic API. A mock-substrate mode enables full demonstration without API keys: python -m concordance_engine.demo_critique_loop --mock. What is specified but deferred to Tier C: Charter Generator, Verifier, Basin Hardening Cycle, Term Collision Audit, Profile Integrity Guardian, Depth-Proof Validator. These have complete agent prompts and skill specifications; runnable Python wrappers await infrastructure (retrieval-layer probing, Zenodo deposit-creation integration, live Neo4j instance). Honest scope note: The runnable Tier B loop uses Anthropic as its only live substrate. Multi-provider verification is architecturally anticipated (config/substrates.yaml exposes the seam) but not implemented in this release. The catalogue's two-source verification protocol requires substrate independence; Tier B's Critique Loop demonstrates the loop pattern, not the cross-substrate verification. Provenance integrity: Every revision in the Critique Loop is recorded with SHA-256 hashes of pre- and post-revision drafts, forming a tamper-evident chain auditable from the deposit's workspace/deposits/critique_session_*.json. License: CC BY 4.0 for documentation, methodology, agent prompts, and operative documents. MIT for runnable Python source code. The dual structure supports both academic citation (CC BY) and developer adoption (MIT). Document classification: EA-CE-01 v0.1.1Hex: 06.LOG.CONCORDANCE.ENGINE.01Catalogue companion: The Logotic Technique Catalogue (DOI: 10.5281/zenodo.19831619) ∮ = 1