The Nutcracker Suite: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USBC10001225
CopyrightID (CopyrightChains transaction hash)
0x3626cfebfcdbf64b71ef8f389e84fa12c6036dd3d16af2f2e6d325097f6ea79e
Copyright registration time
2026-07-07T02:38:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2d3823a0bb937c08b8a6339cb5298a601caac48fea26abc1f1c99e86e6463911

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.