Double Trouble

Recording by John Mayall & The Bluesbreakers.

Recording identifiers

ISRC
QMBPJ1500003
CopyrightID (CopyrightChains transaction hash)
0x660c179d5ad5a2e7c8fd4cb744507782abb75e44844bffd98a63655bfe116ed9
Copyright registration time
2026-07-06T09:39:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:aa5d6c6fd02eaafe09321227dd22d720a1f030720d22cadefbdb7672993c1fbc

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.