OTM (.otm)
.otm file signature | application/vnd.oasis.opendocument.text-master
Magic Bytes
Offset 0
50 4B
Sources: Apache Tika
Extension
.otm
MIME Type
application/vnd.oasis.opendocument.text-master
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .otm files in Python
def is_otm(file_path: str) -> bool:
"""Check if file is a valid OTM by magic bytes."""
signature = bytes([0x50, 0x4B])
with open(file_path, "rb") as f:
return f.read(2) == signatureHow to validate .otm files in Node.js
function isOTM(buffer: Buffer): boolean {
const signature = Buffer.from([0x50, 0x4B]);
return buffer.subarray(0, 2).equals(signature);
}How to validate .otm files in Go
func IsOTM(data []byte) bool {
signature := []byte{0x50, 0x4B}
if len(data) < 2 {
return false
}
return bytes.Equal(data[:2], signature)
}API Endpoint
/api/v1/otm
curl https://filesignature.org/api/v1/otm
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .otm file?
A .otm file is a OTM file.
What are the magic bytes for .otm files?
The magic bytes for OTM files are 50 4B at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .otm file?
To validate a .otm file, read the first bytes of the file and compare them against the known magic bytes (50 4B) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .otm files?
The primary MIME type for .otm files is application/vnd.oasis.opendocument.text-master.
Is it safe to open .otm files?
OTM (.otm) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.