揭

A phono-semantic compound composed of:

手 — semantic component meaning “hand; action”; 曷 — phonetic component indicating the sound (게 / jiē). The character originally described the action of raising something with the hand, which later expanded to meanings like posting or revealing.
Semantic development: - to lift or raise up; - to put up (a notice); - to reveal or expose.

게시 (揭示) — posting; displaying (e.g., notice)

게재 (揭載) — publication; listing (in a newspaper, website, etc.)

In modern usage, 揭 is frequently used in media, websites, and official notices. The meaning “to expose” is especially common in Chinese, often used in contexts like revealing hidden facts or wrongdoing.
Related characters: 揭 — to raise; to reveal 示 — to show

露 — to expose

載 — to publish