Candide, Act I: No. 1, Westphalia Chorale

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931818
CopyrightID (CopyrightChains transaction hash)
0x74a05dba63c9adeff4267c25c2d5ccf35f508444000d7c07abe7fdd0e7bb9a01
Copyright registration time
2026-06-26T14:31:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d733b1adee9ced42a1a80d8c117b3314445e1f1f064c49c648758e57334ec672

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.