West Side Story: X. Tonight (Ensemble)

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430608
CopyrightID (CopyrightChains transaction hash)
0x46dd7f891a5edac39a4b48e006540f984fae8faee66a2c0fd8eb5a10cd0da7bf
Copyright registration time
2026-07-06T05:05:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a7bd6d4fc630dd394d0a72b4e4cc557c86ee8d96c62414191b09004237eacf59

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.