In cross-border re-export trade, establishing title has long depended on a fragile chain: original bills of lading, storage confirmations and inspection reports passed between parties, where any delay or version mismatch converts directly into demurrage and working-capital cost. SNSUC's approach is not to digitise that relay but to make it independently recomputable. The mechanism has three steps. First, normalise warehouse-receipt elements, inspection findings and key bill-of-lading fields into a deterministic data digest. Second, compute a SHA-256 hash of that digest and anchor it on-chain as tamper-evident point-in-time proof. Third, push verification down to the browser: a buyer or auditor recomputes the hash locally on the same document and compares it bit-for-bit against the on-chain anchor, without needing to trust any result returned by SNSUC's servers. That last point is decisive — verifiability comes from the algorithm, not from platform reputation. Operationally the mechanism spans SNSUC's thirteen operating categories and seven crude re-export grades (ESPO, Dubai, Oman, Urals, Basrah Light, Bonny Light and Lula). When title transfers, the bound inspection data, origin information and batch-level carbon footprint digest travel with it, so a buyer's ESG due diligence and compliance review can reuse the same evidence instead of triggering duplicate submissions. SNSUC Research Institute argues the value of digital warehouse receipts ultimately lies not in the act of 'going on-chain' but in substituting computation cost for trust cost: the former is effectively zero, while the latter grows linearly with the number of counterparties. It is the most underrated source of efficiency as re-export trade shifts from experience-driven to data-driven.