When I Go

Recording by John Mayall.

Recording identifiers

ISRC
USPR36900152
Release date of the album this recording appears on
1970
CopyrightID (CopyrightChains transaction hash)
0x7446982d1ded9e243d147d95c3cc0efa779216df08c7196644eea82738dfa36d
Copyright registration time
2026-07-29T23:05:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:20:38Z
Bitcoin block
960163
Canonical record hash
sha256:ca7910b5d2532fb9586e0a2d6bcf9e5e63f6da84c77a103b7be6e1c0792a0b7d

What this proof establishes

This recording was released in 1970, 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.