Semantic vocabulary framework for Digital Product Passports — harmonising GS1, EU ESPR, UNTP, and CEN/CENELEC JTC 24 standards. Browsable ontologies at ref.openepcis.io.
EU Battery Passport (Reg. 2023/1542) consumer app: SAP CAP service with three disclosure tiers, backed by Midnight ZK attestations via @odatano/nightgate
Feasibility study: storing EU Digital Product Passports on Cardano
欧盟数字产品护照（DPP）数据对象核心结构，适用于中国出口企业与 DPP 服务商���合规开发。EU Digital Product Passport (DPP) data object core.
Linter and risk screener for EU Digital Product Passports (battery passports, EU 2023/1542 / DIN DKE SPEC 99100). By Pangea Intelligence.
Machine-readable field specifications for EU Digital Product Passports (ESPR) — 12 product categories, 913 fields, each traced to the article of EU law that mandates it. Pure JSON, no dependencies.
AIR-DEEP-FRI numerical verifier and benchmark for the ZK Battery Passport paper
Explainable EU Battery Passport readiness and data-quality validation using n8n and deterministic rules.
EPR pilot portal for battery registration, QR identification and lifecycle tracking in Mongolia (N-064)
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