West Side Story: Act I: America

Recording by Leonard Bernstein.

Recording identifiers

ISRC
USSM16001102
CopyrightID (CopyrightChains transaction hash)
0x32048e2b39964a04888adc2011a4f6856fd7ba58364eb385a145fed315e50d03
Copyright registration time
2026-06-04T09:39:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:b0eceb61a2de9359a8c51b6d644dc44f6e53d701b428907d4f09d8c73b232108

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.