That Good Old Rockin' Blues

Recording by John Mayall.

Recording identifiers

ISRC
GBCBR0900129
CopyrightID (CopyrightChains transaction hash)
0xfb98bda305d4ea8574160ea2490717b5587745ab162769666accc6cbc93de2c5
Copyright registration time
2026-07-07T15:33:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:513f0a2e2e48303465c8bf533d543f45658f861ed078cace81f0685d152aa8d3

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.