Undecided

Recording by John Mayall.

Recording identifiers

ISRC
USUM70969145
Release date of the album this recording appears on
1973-09-01
CopyrightID (CopyrightChains transaction hash)
0xb9942b7d73984e2fbc8099a190b227b67c0f28d59b4daea3b8d0778973a421cc
Copyright registration time
2026-07-31T20:27:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:42:35Z
Bitcoin block
960463
Canonical record hash
sha256:19982d0447b55864cca5a94df3d078e1f2ab8b1f793d228d2d4b617013a49e0f

What this proof establishes

This recording was released in 1973, 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.