{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://labs.chaindoc.io/data/schema.json",
  "title": "E-Signature Laws Dataset",
  "type": "array",
  "items": {
    "type": "object",
    "required": [
      "jurisdiction",
      "country_code",
      "region",
      "statute",
      "enacted",
      "signature_levels",
      "blockchain_admissible",
      "lastVerified",
      "sources",
      "confidence"
    ],
    "properties": {
      "jurisdiction": { "type": "string", "minLength": 2 },
      "country_code": {
        "type": "string",
        "pattern": "^[A-Z]{2}(-[A-Z0-9]{1,3})?$",
        "description": "ISO-3166-1 alpha-2, optionally with subdivision"
      },
      "region": {
        "type": "string",
        "enum": ["eu", "americas", "apac", "mea"]
      },
      "statute": { "type": "string", "minLength": 3 },
      "enacted": {
        "type": "string",
        "pattern": "^\\d{4}(-\\d{2}(-\\d{2})?)?$",
        "description": "YYYY, YYYY-MM, or YYYY-MM-DD per source precision"
      },
      "signature_levels": {
        "type": "array",
        "minItems": 1,
        "items": {
          "type": "object",
          "required": ["name", "description"],
          "properties": {
            "name": { "type": "string" },
            "description": { "type": "string" }
          }
        }
      },
      "blockchain_admissible": {
        "type": "object",
        "required": ["status", "explanation"],
        "properties": {
          "status": {
            "type": "string",
            "enum": ["yes", "conditional", "unclear", "no"]
          },
          "explanation": { "type": "string", "minLength": 20 }
        }
      },
      "judicial_precedents": {
        "type": "array",
        "items": {
          "type": "object",
          "required": ["case", "year", "url"],
          "properties": {
            "case": { "type": "string" },
            "year": { "type": "integer", "minimum": 1990, "maximum": 2100 },
            "url": { "type": "string", "format": "uri" },
            "summary": { "type": "string" }
          }
        }
      },
      "lastVerified": {
        "type": "string",
        "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
      },
      "sources": {
        "type": "array",
        "minItems": 2,
        "items": {
          "type": "object",
          "required": ["url", "title", "accessed"],
          "properties": {
            "url": { "type": "string", "format": "uri" },
            "title": { "type": "string" },
            "accessed": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" }
          }
        }
      },
      "confidence": {
        "type": "string",
        "enum": ["high", "medium", "low"]
      },
      "validationConflicts": {
        "type": "array",
        "items": { "type": "string" }
      }
    },
    "additionalProperties": false
  }
}