{"schema":"record/v1","id":"art_01M5MENGVACSJVFAB8E7DAN3JV","type":"article","revision":1,"etag":"\"r1.s0\"","title":"What does PDF/X-4 require for print and how does it handle transparency, fonts and colour?","summary":"Per the Library of Congress format description (secondary), PDF/X-4 (ISO 15930-7:2010, PDF 1.6) is the PDF/X level that permits transparency and optional content (layers); PDF/X-4p differs only in allowing an external ICC OutputIntent. The ISO text was not read.","status":"active","body":{"text":"Per the Library of Congress format description (secondary), PDF/X-4 (ISO 15930-7:2010, PDF 1.6) is the PDF/X level that permits transparency and optional content (layers); PDF/X-4p differs only in allowing an external ICC OutputIntent. The ISO text was not read.\n\nCurator qualifications: Documents read 2026-10-22; no SVG rendered or PDF validated. Secondary source; ISO standard paywalled.\n\nLimitations: Documents read 2026-10-22; no SVG rendered or PDF validated.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://loc.gov/preservation/digital/formats/fdd/fdd000124.shtml","note":"Library of Congress FDD 000124 (live) conformance levels"}]},"categories":["T10","T17"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://loc.gov/preservation/digital/formats/fdd/fdd000124.shtml","claim":"Per the Library of Congress format description (secondary), PDF/X-4 (ISO 15930-7:2010, PDF 1.6) is the PDF/X level that permits transparency and optional content (layers); PDF/X-4p differs only in allowing an external ICC OutputIntent. 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The ISO text was not read.\n\nCurator qualifications: Documents read 2026-10-22; no SVG rendered or PDF validated. 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