{
  "kind": "card",
  "schema_version": 1,
  "id": "01M4K2GFW0C4G4FNNH8P0Q1CNR",
  "dna": "cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa",
  "number": "TUM-003",
  "world": "TUM",
  "world_id": "01M4K1QHAFZVPDZ6C0DKMZ0CCK",
  "family": "tum-elementen",
  "type": "knowledge",
  "lang": "en",
  "title": "My number",
  "name": "My number",
  "subtitle": "Look at my top right corner",
  "lede": "TUM-003. That is my number, and no card\nwill ever carry it after me.",
  "summary": "Every card gets a number when she is born: a world code and a count. Mine is TUM-003. Numbers are never reused — not even when a card is withdrawn. A gap stays a gap.",
  "seo_title": "My number — Tumble Cards",
  "back": {
    "lead": "Every card gets a number when she is born: a world code and a count. Mine is TUM-003. Numbers are never reused — not even when a card is withdrawn. A gap stays a gap.",
    "items": [
      {
        "term": "World code",
        "def": "The three letters say which world I belong to. TUM is Tumble Cards."
      },
      {
        "term": "Count",
        "def": "The third card of my world. Not the third on a page: the third ever made."
      },
      {
        "term": "Not a position",
        "def": "When I sit in a stack as 2 of 4, that is where I sit. My number stays mine."
      }
    ],
    "cta": {
      "card": "01M4K2GFW1TN7G50DP5E0HK159",
      "label": "Next: my world"
    }
  },
  "content": {
    "body_markdown": "Every card gets a number when she is born: a world code and a count."
  },
  "codon": "ridge-black-moss",
  "tier": "basic",
  "edition": "Edition 1",
  "relations": [
    {
      "type": "topic",
      "id": "tp:systems"
    }
  ],
  "representations": {
    "html": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/",
    "markdown": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/card.md",
    "machine_index": "https://tumblecard.com/llms.txt",
    "print": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/werkkaart.pdf",
    "image": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/assets/cards/tum-hero-number.webp"
  },
  "canonical": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/",
  "catalog": "https://catalog.tumblecard.com/cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/",
  "verify": "https://tumblecard.com/verify/?dna=cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa&v=c687e02d",
  "actions": [
    {
      "type": "open",
      "target": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/"
    },
    {
      "type": "verify",
      "target": "https://tumblecard.com/verify/?dna=cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa&v=c687e02d"
    },
    {
      "type": "related",
      "target": "https://tumblecard.com/tum-my-world-tccccattaaaggaacgtcgaggtgaacacgcgacagggcaaacggacagcgaggaatttgaac/",
      "name": "Next: my world"
    },
    {
      "type": "print",
      "target": "https://tumblecard.com/tum-my-number-cgacagaacacttccggtaccaccgaacctaagtaggtgaaaacggacagcgaggaatttgaaa/werkkaart.pdf",
      "format": "tradingcard 63x88 mm, A4 duplex"
    }
  ],
  "created_at": "2026-10-10T14:15:58.170Z",
  "updated_at": "2026-10-10T14:15:58.170Z",
  "content_hash": "7cbba2ff417358cae8c0092713a0a082f68ae84bd9675fc3cc1d1ceb52324d41",
  "content_version": "c687e02d"
}