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
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3981a7055c6b74f49beb32102c1fd41c43960904388fecaa84d3c6a397a3507c

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.