Proposed new schema

outfitting1.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "http://schemas.elite-markets.net/eddn/outfitting/1#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "$schemaRef": {
      "type": "string",
      "additionalProperties": false
    },
    "header": {
      "type": "object",
      "additionalProperties": true,
      "properties": {
        "uploaderID": {
          "type": "string",
          "additionalProperties": false
        },
        "softwareName": {
          "type": "string",
          "additionalProperties": false
        },
        "softwareVersion": {
          "type": "string",
          "additionalProperties": false
        },
        "gatewayTimestamp": {
          "type": "string",
          "format": "date-time",
          "description": "Timestamp upon receipt at the gateway. If present, this property will be overwritten by the gateway; submitters are not intended to populate this property.",
          "additionalProperties": false
        }
      }
    },
    "message": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "systemName": {
          "type": "string",
          "additionalProperties": false
        },
        "stationName": {
          "type": "string",
          "additionalProperties": false
        },
        "timestamp": {
          "type": "string",
          "format": "date-time",
          "additionalProperties": false
        },
        "modules": {
          "type": "array",
          "additionalProperties": false,
          "uniqueItems": true,
          "items": {
            "type": "integer",
            "additionalProperties": false
          }
        }
      },
      "required": [
        "systemName",
        "stationName",
        "modules",
        "timestamp"
      ]
    }
  },
  "required": [
    "$schemaRef",
    "header",
    "message"
  ]
}

shipyard1.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "http://schemas.elite-markets.net/eddn/shipyard/1#",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "$schemaRef": {
      "type": "string",
      "additionalProperties": false
    },
    "header": {
      "type": "object",
      "additionalProperties": true,
      "properties": {
        "uploaderID": {
          "type": "string",
          "additionalProperties": false
        },
        "softwareName": {
          "type": "string",
          "additionalProperties": false
        },
        "softwareVersion": {
          "type": "string",
          "additionalProperties": false
        },
        "gatewayTimestamp": {
          "type": "string",
          "format": "date-time",
          "description": "Timestamp upon receipt at the gateway. If present, this property will be overwritten by the gateway; submitters are not intended to populate this property.",
          "additionalProperties": false
        }
      }
    },
    "message": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "systemName": {
          "type": "string",
          "additionalProperties": false
        },
        "stationName": {
          "type": "string",
          "additionalProperties": false
        },
        "timestamp": {
          "type": "string",
          "format": "date-time",
          "additionalProperties": false
        },
        "ships": {
          "type": "array",
          "additionalProperties": false,
          "uniqueItems": true,
          "items": {
            "type": "integer",
            "additionalProperties": false
          }
        }
      },
      "required": [
        "systemName",
        "stationName",
        "ships",
        "timestamp"
      ]
    }
  },
  "required": [
    "$schemaRef",
    "header",
    "message"
  ]
}