A Big Man

Recording by John Mayall.

Recording identifiers

ISRC
QM6XS2102173
Release date of the album this recording appears on
1980-07-01
CopyrightID (CopyrightChains transaction hash)
0x9396e11968600c1e53f6debc3af3d8f1444d23b24c71222f1b09575cc78affb6
Copyright registration time
2026-07-07T15:49:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:d0bb111f6e755bfd12903d23e9213c29b1f269b88d7e6967ea038f2e7aaa70ca

What this proof establishes

This recording was released in 1980, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.