# 30 37 30 37 30 32 — File format magic numbers

For 30 37 30 37 30 32, offset is 0; extension is 070702; format is cpio, recorded from its source on 2026-08-03.

- **Hex signature:** 30 37 30 37 30 32 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0
- **Extension:** 070702
- **Format:** cpio

## What the source says

> 070702 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio ASCII archive file with crc

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).