Blues City Shake Down

Recording by John Mayall.

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
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:27b2d848aac8cd9a42a5afb4b3bc74264b1fc6db35f8fc787af72d13745b7fd4

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.