West Side Story: Act II: One Hand, One Heart

Recording by Leonard Bernstein.

Recording identifiers

ISRC
USSM16001106
CopyrightID (CopyrightChains transaction hash)
0x86ede783b12e4ab3bf616dfa20c8aeff3f2c0ca6604fb457a01f564c216cc290
Copyright registration time
2026-06-06T23:41:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:d198bd33a80e85f2f03aef88069d6c76f310dc172a9ee9e1c980b452e3dab3b4

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.