Candide, Act I: No. 5, It Must Be So

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931806
CopyrightID (CopyrightChains transaction hash)
0x5d7975f2ef154c54c303574d952d5c325f6ec02de5aa5399ec71a35a3cceb011
Copyright registration time
2026-06-28T05:14:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:cbbbd1be4cc64a678065fb8ff4601381dbf5bb85790d5a2904519164962c3015

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.