West Side Story: I. Prologue

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430617
CopyrightID (CopyrightChains transaction hash)
0x2a1240eb9b7e97b46749407db396143867f26f20a8b8da38005fabf807fdb84c
Copyright registration time
2026-06-25T18:45:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dae411c8ce7094f63c4f67fd6171fb7033e471017ebcacfce11c714c21b8293d

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.