The Nutcracker Suite, Op. 71a (arr. M. Lake): Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USB8U1064017
CopyrightID (CopyrightChains transaction hash)
0x08a6cbf4282949ed8c5936e082afc3b44f19d253009540911eb36ff9709af7b5
Copyright registration time
2026-07-06T19:36:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:81de8e2c580089dbd3a45eaf73188fbef84c41b1eaa01e1daca92c7d1aa3987f

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.