<![CDATA[Indonesian inter-island freight logistics requires coordinated document exchange, cargo visibility, and credible operational carbon records. This study develops an evidence-audited conceptual architecture for blockchain-enabled smart logistic ships, integrating electronic bills of lading (eBL), onboard Internet-of-Things (IoT) telemetry, permissioned Hyperledger Fabric networks, and a carbon-data audit trail. Official Statistics Indonesia publications provide sectoral context; verified maritime blockchain studies, IMO rules, and the UNCITRAL Model Law on Electronic Transferable Records underpin the proposed architecture. The methodology specifies participant roles, off-chain sensor-data storage, on-chain event hashes, state transitions, authorization controls, and a reproducible cost-benefit framework. No prototype logs, port transaction records, or measured process times were supplied; therefore, the original document-latency, dwell-time, cost-saving, and return-on-investment percentages cannot be reported as verified empirical results. A transparent conditional illustration using author-provided cost assumptions is presented instead. The resulting contribution is a technically consistent, auditable design and validation protocol for future trials on Indonesian feeder routes, rather than a claim of demonstrated deployment performance.]]>
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