West Side Story: V. Maria

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430603
CopyrightID (CopyrightChains transaction hash)
0xb04fb862eca82444bd37dbbdb58c0a5e7905f7dd5f81583fae21f14d1b781f3d
Copyright registration time
2026-06-17T23:14:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d7ebe59a60ee3af61d6719baea754c88e63ab17e892585e0d77cf4dbad844a1a

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.