Candide, Act I: No. 4, Oh, Happy We

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931805
CopyrightID (CopyrightChains transaction hash)
0xe3d4bf967dee6ba3995f4afee8a1ed5e436756e12a358725eae72441937b88df
Copyright registration time
2026-06-25T06:11:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:261796176fa1f032da06d4deda19dd97ef8fbf6dc58a7dbd345fa5ae9dfa616e

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.