"West Side Story" - Symphonic Dances: IV. Mambo - Live

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEN960800092
CopyrightID (CopyrightChains transaction hash)
0xcfd3b6083e2cf41b4096e495b7899c8a65bce8f7af96de8773f9a8912e2f6eaf
Copyright registration time
2026-07-06T04:49:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:795066532fffb2cea4986112e4d6dff022291c9e4f609682a26ca1b191c7a6cd

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.