You Must Be Crazy

Recording by John Mayall.

Recording identifiers

ISRC
USPR37000151
Release date of the album this recording appears on
1970-01-01
CopyrightID (CopyrightChains transaction hash)
0xe24f25311f0bc22e6e70109b32b61cd13698bc26eb2e83def074e1f076c28cdd
Copyright registration time
2026-07-29T18:23:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:4ae8f2dfea6c3ed500633db362c9cad934bb3a598224da12092bbb6778718148

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.