OBT (.obt)
.obt file signature | application/octet-stream
PhotoCap Object Templates
Magic Bytes
Offset 0
65 87 78 56
Sources: Wikipedia
Extension
.obt
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .obt files in Python
def is_obt(file_path: str) -> bool:
"""Check if file is a valid OBT by magic bytes."""
signature = bytes([0x65, 0x87, 0x78, 0x56])
with open(file_path, "rb") as f:
return f.read(4) == signature
How to validate .obt files in Node.js
function isOBT(buffer: Buffer): boolean {
const signature = Buffer.from([0x65, 0x87, 0x78, 0x56]);
return buffer.subarray(0, 4).equals(signature);
}
How to validate .obt files in Go
func IsOBT(data []byte) bool {
signature := []byte{0x65, 0x87, 0x78, 0x56}
if len(data) < 4 {
return false
}
return bytes.Equal(data[:4], signature)
}
API Endpoint
/api/v1/obt
curl https://filesignature.org/api/v1/obt
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .obt file?
A .obt file is a OBT file. PhotoCap Object Templates
What are the magic bytes for .obt files?
The magic bytes for OBT files are 65 87 78 56 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .obt file?
To validate a .obt file, read the first bytes of the file and compare them against the known magic bytes (65 87 78 56) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .obt files?
There is no officially registered MIME type for .obt files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .obt files?
OBT (.obt) 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.