Candide, Act II: No. 21, Introduction to Eldorado

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931827
CopyrightID (CopyrightChains transaction hash)
0xc4bcc6dc54dc1f88c464ed4e83690c74abefc6f0160acbcb5a49856bb1692f9a
Copyright registration time
2026-07-30T13:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:09039575e2d5573f8b859a3dc86f9dd283c833bacb88548237b95fd367c936d9

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.