A World of Hurt

Recording by John Mayall.

Recording identifiers

ISRC
GBCBR0400960
CopyrightID (CopyrightChains transaction hash)
0x630dcdd6d1140fc221bc1fe9304170d8742a024cbcea9973623ad01c7068a6fb
Copyright registration time
2026-06-25T16:33:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8460523d4eafe2d032f90acf8df59b4a25312ea023eb7adc41c4f8b2d8fd2509

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.