West Coast Blues

Recording by Laverne Butler.

Recording identifiers

ISRC
US4A70400150
CopyrightID (CopyrightChains transaction hash)
0x2d0ace831895b7ffad64a63528389d53923fe98edad0462265d98c863d5f6e82
Copyright registration time
2026-07-07T15:30:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:4d30c862e7b9033831bb4885ccc72a7f5f17904a99e3cd527ac2f386eb39010d

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.