Blues City Shake Down

Recording by John Mayall & The Bluesbreakers.

Recording identifiers

ISRC
GBF076521650
CopyrightID (CopyrightChains transaction hash)
0x50fcbc01c6ecd4354dae01b6b1b2c945932594a4b8b92c73eaea37c559777f59
Copyright registration time
2026-06-27T05:40:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:67dc23a25afe8fe1822d055faf213776a9c80d6b45e374ad6fa2b6b73eb70d33

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.