West Side Story: Act II: Somewhere

Recording by Leonard Bernstein.

Recording identifiers

ISRC
USSM16001109
CopyrightID (CopyrightChains transaction hash)
0xe6383bf652c47bdd363288fd59b29b81e29b4a9acba741ad82fc8380c93ee7a9
Copyright registration time
2026-06-05T07:11:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:38fc630563b7a42076b0767693f43c2d968c1739caa1bb203f30cfd5966444b4

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.