The Nutcracker: Chocolate

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DKB6A1100106
CopyrightID (CopyrightChains transaction hash)
0x00a628318049b050ba078c47afcbd63d34ab3762258783df6e064efdc5bbcf05
Copyright registration time
2026-07-07T12:49:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:68ecbdf600a8cda919d394feb056881ee02bf9a6a6c93a71f326b4e68b1882ae

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.