Research methodology

Last updated: 2026-06-09

Taridex answers does this ruling still hold? by reconstructing ruling-date HTS and CFR authorities and comparing them to current law — with a deterministic citation trace and hash-verified exports. This page summarizes the approach shown on the homepage proof block; it is not legal advice.

Temporal authority binding

For a ruling identifier and date, the platform selects the HTS edition and CFR snapshot valid at that time, traverses successor codes where applicable, and classifies impact (e.g., SUPERSEDED) against current authorities. Staging certification includes HQ 088500 with ruling-date HTS-1991 bind (measured 3.09 s on staging harness, 2026-06-09).

Seven-stage citation trace

Each research result can be walked through seven ordered stages — from query through retrieval, ranking, authority nodes, temporal bind, and exportable provenance — with ranking preserved for audit replay. Staging harness SC-04 PASS (2026-06-08).

Governed retrieval

Search runs over versioned indexes tied to the active corpus release (hybrid vector + structured filters). The reasoning core is deterministic retrieval and graph traversal over governed objects — not open-ended probabilistic legal chat.

Exports

Research packages (JSON, markdown, ZIP) are written with payload SHA-256 recorded at export time. Staging export harness: 8/8 PASS with hash match on replay (2026-06-09).

Demo certification

Executive demo path SC-01 through SC-07 PASS on staging (certified 2026-06-09T01:29:00Z). Automated walkthrough timing: 6.11 s. Production workspace access remains design-partner gated.

Documented boundaries

• CFR depth before 1997 is limited; pre-1997 gaps are documented internally.
• Section 301 and Part 152 coverage gaps are disclosed — request the gap registry during diligence.
• Taridex does not provide duty calculation, entry filing, or CROSS registry replacement.

Security & data handling · View homepage proof · Request a guided demo