OpenType font — file signature 4F 54 54 4F at offset 0

For OpenType font, hex signature is 4F 54 54 4F; offset is 0; extension is otf, verified against its source on 2026-09-22.

Hex signature: 4F 54 54 4F verified
Offset: 0 verified
Extension: otf verified
Format: OpenType font verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

4F 54 54 4F | OTTO | 0 | otf | OpenType font [92] |

— en.wikipedia.org, retrieved 2026-09-22

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.