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
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:86d935ba507d63afefe29227f1d1f8c2c2de1dda5780aed84bf3933d7588cdb2

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.