The Nutcracker: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DKB6A1100101
CopyrightID (CopyrightChains transaction hash)
0xd8aa5d7bb8ce8d66fd9440e3ec4d3aa4bba1546440dae39906f434d1ecd7202c
Copyright registration time
2026-07-31T04:59:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:ceb747358fd86a729c4a6a8d5234d67c887d2d9064f46b61acbbd29f6ce15995

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.