Reefer Madness - 2010 Digital Remaster

Recording by UB40.

Recording identifiers

ISRC
GB01A1000263
CopyrightID (CopyrightChains transaction hash)
0xad997f351f749dcfd74c50f27e67745b73f2feb3d989c07cd87601ed3d10b55c
Copyright registration time
2026-06-19T20:52:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:313499cfef07881ba6cdff999b2f59bb7fb5c623263fb348126b4d97048b1e55

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.