{"success":true,"data":{"ext":"journal","name":"JOURNAL","description":"JOURNAL is a binary document format created and maintained by Microsoft for Microsoft Journal. It is used for handwritten notes, sketches, and ink-based annotations on Windows devices, particularly in educational and meeting workflows. As a proprietary format, it is generally safe to open in supported applications, though older files may require legacy Microsoft software or converters for full editing support on modern systems.","mime":[],"risk_level":"Safe","signatures":[{"hex":"4C 50 4B 53 48 48 52 48","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]}],"related":[],"usage":{"python":"def is_journal(file_path: str) -> bool:\n    \"\"\"Check if file is a valid JOURNAL by magic bytes.\"\"\"\n    signature = bytes([0x4C, 0x50, 0x4B, 0x53, 0x48, 0x48, 0x52, 0x48])\n    with open(file_path, \"rb\") as f:\n        return f.read(8) == signature","node":"function isJOURNAL(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x4C, 0x50, 0x4B, 0x53, 0x48, 0x48, 0x52, 0x48]);\n  return buffer.subarray(0, 8).equals(signature);\n}","go":"func IsJOURNAL(data []byte) bool {\n    signature := []byte{0x4C, 0x50, 0x4B, 0x53, 0x48, 0x48, 0x52, 0x48}\n    if len(data) < 8 {\n        return false\n    }\n    return bytes.Equal(data[:8], signature)\n}"}}}