West Side Story: IX. One Hand, One Heart

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430607
CopyrightID (CopyrightChains transaction hash)
0xf5e89047f08376bad8db1ae4cbfd9aa7e4fa2219445bc123fcdedbced919dcad
Copyright registration time
2026-06-26T21:58:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f779eca2edb945a7a5d52cd87f6aa1c37dad27f92f66dc0a4cc12682bf993203

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.