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
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:bc259559414429e20b3b6a9e2fafdf69f6671079d68ba45b8afa1f0e5e04346c

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.