친구

Recording by 안재욱.

Recording identifiers

ISRC
KRRAR1802505
CopyrightID (CopyrightChains transaction hash)
0xca2e7a6b1eddf0ec5f6b87a33b49daf7b60f932cf30492f003b5c8a663a2f269
Copyright registration time
2026-06-07T04:53:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:acadc0956afa4a2902f1c92b0e79c1ea37ec54a8945fb59e7c0e4e327e59c1fb

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.