Candide, Act I: No. 14, I Am Easily Assimilated (Old Lady's Tango)

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058931801
CopyrightID (CopyrightChains transaction hash)
0x5549b97540a868ce566ee4f5a0e6dce2b510997f854905b84bdcece1edeb2a8b
Copyright registration time
2026-06-25T15:46:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:975fd4940899540a0036a70bfadb4e79878d12533d63de958e59b0fc42a9b6e1

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.