---
type: lookup
id: 070707-30-37-30-37-30-37
asset: file-format-signatures
title: "30 37 30 37 30 37 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "070707 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio ASCII archive file [ 21 ]"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "30 37 30 37 30 37"
offset: "0"
extension: "070707"
format: "cpio"
unverified_fields: hex_signature
---
**Hex signature:** 30 37 30 37 30 37

**Offset:** 0

**Extension:** 070707

**Format:** cpio

> 070707 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio ASCII archive file [ 21 ]

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>