West Side Story: XIIId. Somewhere

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430610
CopyrightID (CopyrightChains transaction hash)
0x697c2507598cd1be21f73b2c909df46132d1ffa23fcd79e3d9b744454fc2c90c
Copyright registration time
2026-06-10T16:35:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6a38f188c055571cb04f90e964459c1572eb04db69fc07f54f8cb270380b828a

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.