Candide, Act II: No. 27, What's the Use

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931815
CopyrightID (CopyrightChains transaction hash)
0x11c687a7d1c7a8330652e1b245780ee6b8dcd63df8272f22a9318c0c6f1fa3d0
Copyright registration time
2026-07-06T20:11:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7fad141bb40510ded483b24d164b9c0b18dd81ba06f21b23d2fa113b36609f47

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.