{
  "kind": "card",
  "schema_version": 1,
  "id": "01M4K2GFW1G28BVYR8YCFVTGAF",
  "dna": "gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac",
  "number": "TUM-006",
  "world": "TUM",
  "world_id": "01M4K1QHAFZVPDZ6C0DKMZ0CCK",
  "family": "tum-elementen",
  "type": "knowledge",
  "lang": "en",
  "title": "My seal",
  "name": "My seal",
  "subtitle": "Why you can trust what I say",
  "lede": "Everything I say is signed. Change a letter\nand my seal breaks — that is the point.",
  "summary": "My maker signs me. The signature covers my words, my picture and my number, and lives in a public manifest. 'Integrity check' on my back compares the card you see with the card that was signed. A new version gets a new seal; the old one stays on record.",
  "seo_title": "My seal — Tumble Cards",
  "back": {
    "lead": "My maker signs me. The signature covers my words, my picture and my number, and lives in a public manifest. 'Integrity check' on my back compares the card you see with the card that was signed. A new version gets a new seal; the old one stays on record.",
    "items": [
      {
        "term": "Version",
        "def": "When I change, I get a new version. The earlier me is still there to read."
      },
      {
        "term": "Integrity check",
        "def": "One click shows whether I am still the card my maker signed."
      },
      {
        "term": "Edition",
        "def": "Many cards are printed and placed at once; that batch is an edition."
      }
    ],
    "cta": {
      "card": "01M4K2GFW19VX4A056EY0TQ1R8",
      "label": "Next: my compass"
    }
  },
  "content": {
    "body_markdown": "My maker signs me."
  },
  "codon": "deer-plum-red",
  "tier": "basic",
  "edition": "Edition 1",
  "relations": [
    {
      "type": "topic",
      "id": "tp:systems"
    }
  ],
  "representations": {
    "html": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/",
    "markdown": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/card.md",
    "machine_index": "https://tumblecard.com/llms.txt",
    "print": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/werkkaart.pdf",
    "image": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/assets/cards/tum-hero-seal.webp"
  },
  "canonical": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/",
  "catalog": "https://catalog.tumblecard.com/gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/",
  "verify": "https://tumblecard.com/verify/?dna=gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac&v=abce2c18",
  "actions": [
    {
      "type": "open",
      "target": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/"
    },
    {
      "type": "verify",
      "target": "https://tumblecard.com/verify/?dna=gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac&v=abce2c18"
    },
    {
      "type": "related",
      "target": "https://tumblecard.com/tum-my-compass-catgttggcaccaaaaggcgctctgaacgggtgactaagaaaacggacagcgaggaatttgaac/",
      "name": "Next: my compass"
    },
    {
      "type": "print",
      "target": "https://tumblecard.com/tum-my-seal-gaaagcaagttcttgtaagattatacttgttccaaccattaaacggacagcgaggaatttgaac/werkkaart.pdf",
      "format": "tradingcard 63x88 mm, A4 duplex"
    }
  ],
  "created_at": "2026-10-10T14:15:58.102Z",
  "updated_at": "2026-10-10T14:15:58.102Z",
  "content_hash": "8f6fca2a7c6f98864c6bc7796e5913092c9153cf79c805781b4f81010e3e4be6",
  "content_version": "abce2c18"
}