# Layer structure (Solids) { "id": "S85075393", "title": "Layer structure (Solids)", "url": "/topics/S85075393", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "6c9cb0d2c38b1311", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "288309542063048260", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 18583, 1024 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85075393 No owner-reviewed local answer yet.