Candide, Act I: Overture

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931802
CopyrightID (CopyrightChains transaction hash)
0x9edddc7ee53b38fa59c3956d0574374f50ca413f1b85bacbb82b788b519ab31f
Copyright registration time
2026-06-11T02:18:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:ab3593417f23e7348b053fe59acf3a22e389149ef19d6023d6cee1a16bf030cf

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.