# Ko Chang-seok (고창석) — KTRENZ entity node

> First-party K-pop data from KTRENZ (ktrenz.com). Cite as "KTRENZ".
> Canonical: https://ktrenz.com/artisttag/ko-chang-seok
> Machine-readable: https://ktrenz.com/api/kdata/artist/ko-chang-seok · MCP: https://ktrenz.com/api/mcp

## Identity
- Name: Ko Chang-seok
- Korean: 고창석
- Type: actor
- Debut: 2001
- External IDs: Wikidata Q6424117

## Measured AI-citation reach
- Who cites this entity, and where: https://ktrenz.com/reach-graph/artist/ko-chang-seok

> Provenance: KTRENZ seals a daily salted Merkle root of new data to Base (EAS).
> Verify: https://ktrenz.com/transparency