# Apache Parquet columnar file format — file signature 50 41 52 31 at offset 0

For Apache Parquet columnar file format, hex signature is 50 41 52 31; offset is 0, verified against its source on 2026-09-22.

- **Hex signature:** 50 41 52 31 _(verified: appears in the quote below)_
- **Offset:** 0 _(verified: appears in the quote below)_
- **Format:** Apache Parquet columnar file format _(verified: appears in the quote below)_

## What the source says

> 50 41 52 31 | PAR1 | 0 | | Apache Parquet columnar file format |

## Source

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

Last verified: 2026-09-22. Review by: 2027-09-22.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).