Mr. Chu (On Stage) (Instrumental)

Recording by Apink.

Recording identifiers

ISRC
KRA381206682
CopyrightID (CopyrightChains transaction hash)
0x93274cd69b204d73345b08f282de7cee4aa387508ecef82d676db8b86b94236f
Copyright registration time
2026-06-20T21:09:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b1fac940027e84002df536e4214b2f16a7214491bf1d106628081ba770bdd29f

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.