West Side Story: VI. Tonight - Balcony Scene

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430630
CopyrightID (CopyrightChains transaction hash)
0x8567e0ffc767e017a9ec9e3d40765ccb3bb0d0bd12efd4bc3f1e6e83038b0320
Copyright registration time
2026-06-21T22:33:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:83ba5d65d1c61aa0b187c4bb2e7b6ac53ae0333536d83f381956255025953051

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.