"West Side Story" - Symphonic Dances: 1. Prologue

Recording by Leonard Bernstein.

Recording identifiers

ISRC
GBF079642502
CopyrightID (CopyrightChains transaction hash)
0x2a30dbfb114fcd40bb4d63e128c5994881a79d8c1cb5d769087e7910c2c1f579
Copyright registration time
2026-07-07T14:44:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b29529d313ad9ba2572f15c27a56897075870bb54132f49d5330c3bbe88409d6

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.