A Hard Road

Recording by John Mayall & The Bluesbreakers.

Recording identifiers

ISRC
GBF076720430
CopyrightID (CopyrightChains transaction hash)
0x7a83a61a8355be34641b0b23ff8eacb97450d4b48d65328b831f29f7b6fff981
Copyright registration time
2026-06-07T05:00:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8018db70f8367f99e9bc41f68a1bb0306a9e8f74b8165f735f404f3f1233bf13

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.