West Side Story: III. Something's Coming

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430602
CopyrightID (CopyrightChains transaction hash)
0xe8af73c833f3bb2c174f00afea106f35fc85611fd00403716d7a41c8b78b9826
Copyright registration time
2026-06-26T21:52:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9b21630ff1a235246c956fea0730bef91963f7a6d50529e94d90621a8048c4f0

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.