{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Signaling record indicating an account participates in the Ptah Protocol. One per account, fixed key 'self'. Named for the twisted flax glyph (𓉔), the H in Ptah — the attribution chain thread.",
      "key": "literal:self",
      "record": {
        "properties": {
          "bio": {
            "description": "Optional short biography for this creator",
            "maxGraphemes": 256,
            "maxLength": 2560,
            "type": "string"
          },
          "createdAt": {
            "description": "Timestamp when this account joined the Ptah Protocol",
            "format": "datetime",
            "type": "string"
          },
          "displayName": {
            "description": "Optional display name for this creator within Ptah contexts",
            "maxGraphemes": 64,
            "maxLength": 640,
            "type": "string"
          }
        },
        "required": [
          "createdAt"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "id": "world.ptah.flax",
  "lexicon": 1
}