The Nutcracker Suite, Op. 71a, TH 35 (Arr. A.S. Arensky): No. 3b, Pas de deux

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLE421503814
CopyrightID (CopyrightChains transaction hash)
0x30309eb2074916251146ab01a4e5f99a9672b03ad1c192cbb24fae5c85da7034
Copyright registration time
2026-07-07T03:15:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d0da8cc31318f1c57eed045fb4b9681c040ba2af3cd206a37f5439f7fb517508

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.