A Hard Road

Recording by John Mayall & The Bluesbreakers.

Recording identifiers

ISRC
GBCBR9800179
CopyrightID (CopyrightChains transaction hash)
0x718e5d9910ecfbe049316e03b6c8d1f2013cd3aba511a553679bb6f4a41f1974
Copyright registration time
2026-07-07T14:33:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d7a2eeec640a50224db8657b9fe8b8081578d88c04a8d7f7c649f55d24a0eb85

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.