{
  "rig": "0.17.0",
  "document": {
    "title": "Book ISBN (ISO 2108 / ONIX)",
    "createdAt": "2026-08-18"
  },
  "entities": [
    {
      "id": "penguin",
      "components": {
        "rig.meta.named": { "name": "Penguin Books", "stableId": "penguin" },
        "rig.place.address": {
          "townName": "London",
          "country": "GB"
        }
      }
    },
    {
      "id": "melville",
      "components": {
        "rig.meta.named": { "name": "Herman Melville", "stableId": "melville" },
        "rig.person.name": {
          "givenName": "Herman",
          "familyName": "Melville"
        },
        "rig.person.vital": {
          "sex": "male",
          "birthDate": "1819-08-01",
          "birthCountry": "US"
        }
      }
    },
    {
      "id": "moby-cover",
      "components": {
        "rig.media.asset_ref": {
          "kind": "image",
          "path": "covers/moby-dick.jpg"
        }
      }
    },
    {
      "id": "moby-dick",
      "components": {
        "rig.meta.named": { "name": "Moby-Dick", "stableId": "moby-dick" },
        "rig.book.identifier": {
          "isbn13": "9780142437247"
        },
        "rig.book.title": {
          "subtitle": "or, The Whale",
          "seriesName": "Penguin Classics",
          "editionStatement": "Penguin Classics"
        },
        "rig.book.publication": {
          "publisher": "penguin",
          "publishedDate": "2003-02-27",
          "language": "en",
          "pageCount": 720,
          "productForm": "paperback",
          "cityOfPublication": "London",
          "copyrightYear": 2003
        },
        "rig.book.cover": {
          "asset": "moby-cover"
        }
      }
    },
    {
      "id": "moby-author",
      "components": {
        "rig.book.contribution": {
          "work": "moby-dick",
          "person": "melville",
          "role": "author",
          "sequence": 1
        }
      }
    },
    {
      "id": "moby-dewey",
      "components": {
        "rig.book.subject": {
          "work": "moby-dick",
          "scheme": "dewey",
          "code": "813.3",
          "heading": "American fiction"
        }
      }
    }
  ]
}