Regime Threshold Series — Machine Routing Reader Card for AI / RAG / Institutional Audit

The Regime Threshold Series — Machine Routing Reader Card for AI / RAG / Institutional Audit provides the canonical machine-facing retrieval, dependency, status, and jurisdiction routing layer for the Regime Threshold Series. The public numbered series contains exactly ten papers, RTS0–RTS9. Series numbering is organizational metadata rather than a universal dependency chain; machine systems are instructed to route by scientific object, predicate, status, and actual parent relation. For every RTS query, the card requires the machine to identify the exact requested object or status, retrieve the paper that owns that object, retrieve all constitutive parents, activate conditional parents only when their jurisdiction is materially required, and block stronger interpretations that are not supported. The routing architecture preserves distinctions among threshold geometry, process, realized event, trace, empirical reconstruction, chronology, prediction, intervention, and control. The card encodes canonical series identity, paper-level routing identifiers, primary scientific objects, query triggers, a parent-and-anchor register, the canonical RTS dependency graph, query-to-paper routing rules, dependency gates, recommended retrieval bundles, anti-confusion rules, status semantics, metadata routing, and institutional-audit controls. It routes threshold definition to RTS0; precedence to RTS1; composite first exit to RTS2; pre-threshold approach to RTS3; return and hysteresis to RTS4; coupling and deformation to RTS5; identification to RTS6; sequence representation to RTS7; trajectory-family classification to RTS8; and biological threshold typing and re-evaluation to RTS9. The routing discipline is deliberately selective. Retrieval order is kept distinct from scientific dependency, and a lower paper number is never added merely because it precedes the target numerically. Biological threshold claims are routed through the governing BIS-II predicate before RTS9; support-dependent predicates retain their Support Regime identity; temporal objects retain T-Series jurisdiction; and domain-facing ecological or coupled-system anchors enter only where the query activates them. The current public Living Cartography of the Published IDAU Corpus provides corpus-level placement and membership. The machine card preserves exactness under declared conditions at the routing level by preserving the exact object, exact relation, exact parentage, exact status strength, and exact jurisdiction supported by the public corpus. Negative, restricted, failed, mixed, and underdetermined routes are preserved rather than repaired into stronger claims. Missing declarations produce upstream routing or an unresolved result rather than object fabrication, semantic substitution, or unsupported completion. This document is a routing and audit artifact. It does not independently assign threshold status, prove scientific propositions, forecast future crossings, choose targets, construct interventions, optimize trajectories, or provide control logic. It preserves the public structural-imaging jurisdiction, the no-command boundary, and the Source/Public firewall. The companion Regime Threshold Series — Reader Card (DOI 10.5281/zenodo.23597519) remains the human-orientation entry; the two cards are complementary and neither becomes a scientific parent by virtue of routing authority.