The Nutcracker, Op. 71/TH14: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEE862201911
CopyrightID (CopyrightChains transaction hash)
0x1420497e8e51ac600af64a32ee01521d6375b17599f6cf3c06ff11853b573560
Copyright registration time
2026-07-07T13:27:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2afed6701ecfdd657e9dcaa048fe357d8ba284894e554c9d99809c6d76dddce4

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.