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white quiet zone. That is 29 modules plus a 4-module quiet zone at 0.5 mm per module. Scaling the code up is always safe; cropping the quiet zone is what stops it scanning.", "quality_note": "Print quality itself is assessed per ISO/IEC 15415, which needs a physical verifier against the printed label. That is out of scope here and is not claimed." } }, "standards": [ { "number": "EN 18219:2026", "slug": "en-18219", "role": "Unique product identifier at model, batch or item level" }, { "number": "EN 18220:2026", "slug": "en-18220", "role": "Data carrier: QR code" }, { "number": "EN 18221:2026", "slug": "en-18221", "role": "Versioned storage; a published version is never edited" }, { "number": "EN 18223:2026", "slug": "en-18223", "role": "Interoperability: the EN 18223 data model and dictionary references" }, { "number": "EN 18216:2026", "slug": "en-18216", "role": "Exchange formats: JSON and XML" }, { "number": "EN 18239:2026", "slug": "en-18239", "role": "Public and restricted access tiers on every element" }, { "number": "prEN 18357:2026", "slug": "pren-18357", "role": "The digital declaration of performance and conformity" }, { "number": "ISO 23386", "slug": "iso-23386", "role": "Data dictionary properties" }, { "number": "ISO 23387", "slug": "iso-23387", "role": "Product data templates" } ], "hidden_fields": [], "restricted": { "data_points": 0, "indicators": 0, "documents": 0, "fields": 0 }, "dictionary_uri_form": "pt", "viewer": { "authenticated": false, "owner": false, "roles": [], "actor_id": null, "actor_name": null, "operator_identifier": null, "authenticated_by": "no credentials (public data only)" }, "disclosed": [], "authenticity": { "standard": "EN 18246", "verified": true, "scheme_superseded": false, "statement": "The content has not changed since it was signed with a key held by this platform at 2026-10-06T11:34:24Z, which is the signer's own asserted time.", "assurance_level": "self_issued", "esdc_profile": "JAdES-B-T (flattened JSON, detached payload, RFC 8785 payload)", "signature_format": "JAdES (ETSI TS 119 182-1), flattened JSON", "jades": "{\"protected\":\"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\",\"signature\":\"B-WYtFIyC7JmbjNrI6h3HYss8RpSDGKhnxbxDRxoLSywq9B8ETi9-_GweXNHcr5bpEikhp-_HT93cMBH2FUkCA\"}", "sealed_parts": { "hash_algorithm": "S256", "parts": [ { "name": "EN18223-full-representation", "digest": "sha256:bb4a91ac429bb9f2defbb65c3ac164ac3166b9363e987e7eeae4106ad933ff69" }, { "name": "EN18223-public-representation", "digest": "sha256:bb4a91ac429bb9f2defbb65c3ac164ac3166b9363e987e7eeae4106ad933ff69" } ] }, "algorithm": "EdDSA", "signer_backend": "local", "key_id": "Lx0YI4pU2daEIanPAHUNIuBKeqIcOXcMvdg5Soi6hCg", "public_jwk": { "kty": "OKP", "crv": "Ed25519", "x": "lVGgxsHJpiQ_rDRwDu3IorgjiiWJ5XIEvNqsfN8pODM", "alg": "EdDSA", "use": "sig" }, "payload_digest": "sha256:bb4a91ac429bb9f2defbb65c3ac164ac3166b9363e987e7eeae4106ad933ff69", "payload_type": "application/dpp+json; profile=EN18223", "signed_at": "2026-10-06T11:34:24.304884", "issuer": { "did": "did:web:id.dictagon.eu:p:86M4CVN7P2", "digitalProductPassportId": "https://id.dictagon.eu/dpp/1a2c4fda-dba0-48d0-977f-ddedcf606e78", "name": "Cerâmica Atlântida, Lda." }, "timestamp": { "present": false, "generated_at": null, "authority": null, "missing_reason": "no timestamp authority is configured (PASSPORT_TSA_URL), so this version is not timestamped", "standard": "RFC 3161" }, "verify_yourself": { "public_key_in": "https://id.dictagon.eu/p/86M4CVN7P2/did.json", "payload": "GET this passport's representation, canonicalise it with RFC 8785 (JCS), and compare its SHA-256 to the matching entry in the signature's sigD.hashV", "parts": { "EN18223-public-representation": "the public representation — needs no credentials", "EN18223-full-representation": "the full representation, restricted layer included — needs the passport's access token" }, "signature_covers": "the protected header; the payload is detached", "guide": "docs/VERIFY_A_PASSPORT.md", "cost": "Verification is free and never rate-limited." }, "covers": "The passport's complete content, both access tiers, with a digest for each inside the signed header. It proves the content has not changed since it was sealed, and that the seal was made with this key. A reader without the access token can check the public representation on its own.", "compromised": null }, "restricted_fields": [], "export": { "generated_at": "2026-11-12T19:21:02.089335Z", "access_tier": "public", "note": "Contains only what the requester's access tier may read." } }