Mr. Blue

Recording by GFRIEND.

Recording identifiers

ISRC
KRA381903440
CopyrightID (CopyrightChains transaction hash)
0xc65145e1f42ef18d0121d740d3cdd2c2755021879c0a24d06190d9a534b3a712
Copyright registration time
2026-06-07T18:42:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:247bd950ea6153f0915c5185cb44b48ffa03581bba3c91ab47bdbcbdede3fe44

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.