{
  "kind": "card",
  "schema_version": 1,
  "id": "01M4K1QHAFPYV2E28NZ37QCQB4",
  "dna": "gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt",
  "number": "TUM-001",
  "world": "TUM",
  "world_id": "01M4K1QHAFZVPDZ6C0DKMZ0CCK",
  "family": "tum-elementen",
  "type": "knowledge",
  "lang": "en",
  "title": "Two sides",
  "name": "Two sides",
  "subtitle": "The first thing about me",
  "lede": "I have two sides. Turn me over — everything you can do with me lives on my back.",
  "summary": "This is my other side. My front says what I am; my back says what you can do. No menu, no page behind a page — just me, turned.",
  "seo_title": "Two sides — Tumble Cards",
  "back": {
    "lead": "This is my other side. My front says what I am; my back says what you can do. No menu, no page behind a page — just me, turned.",
    "items": [
      {
        "term": "Front",
        "def": "What I am: a name, a picture, a few lines. Enough to decide whether to turn me."
      },
      {
        "term": "Back",
        "def": "What you can do: read on, buy, download, or walk into my world."
      },
      {
        "term": "The strip",
        "def": "Edition, world and 'turn' — the same on every card, so you always know where you are."
      }
    ],
    "cta": {
      "card": "01M4K1QHAF61G932SK2M0F3QPV",
      "label": "Next: my DNA"
    }
  },
  "content": {
    "body_markdown": "I am a card with two sides: a front that says what I am and a back that says what you can do. Every card in this system is built the same way."
  },
  "codon": "copper-trail-ridge",
  "tier": "basic",
  "edition": "Edition 1",
  "relations": [
    {
      "type": "topic",
      "id": "tp:systems"
    }
  ],
  "representations": {
    "html": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/",
    "markdown": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/card.md",
    "machine_index": "https://tumblecard.com/llms.txt",
    "print": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/werkkaart.pdf",
    "image": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/assets/cards/tum-hero-two-sides.webp"
  },
  "canonical": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/",
  "catalog": "https://catalog.tumblecard.com/gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/",
  "verify": "https://tumblecard.com/verify/?dna=gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt&v=db56dd7b",
  "actions": [
    {
      "type": "open",
      "target": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/"
    },
    {
      "type": "verify",
      "target": "https://tumblecard.com/verify/?dna=gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt&v=db56dd7b"
    },
    {
      "type": "related",
      "target": "https://tumblecard.com/tum-my-dna-ataacgaagcacgagtatatacccaaaattactctgtcgtaaacggacagcgacgttacccatt/",
      "name": "Next: my DNA"
    },
    {
      "type": "print",
      "target": "https://tumblecard.com/tum-two-sides-gtctgtcgagctaagcacccttgatattctcgcctccgcaaaacggacagcgacgttacccatt/werkkaart.pdf",
      "format": "tradingcard 63x88 mm, A4 duplex"
    }
  ],
  "created_at": "2026-10-10T14:01:34.729Z",
  "updated_at": "2026-10-10T14:01:34.729Z",
  "content_hash": "9618769c55dddf3ddd6c60d7ad9f676e21262d11e0c482222525a4bc3de9ecc6",
  "content_version": "db56dd7b"
}