The Nutcracker, Op. 71, TH 14: Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
NLE420502601
CopyrightID (CopyrightChains transaction hash)
0xd96005ba0e6869ff1b141da8cbb75bd02727de95c1014205c85a4c5230af1891

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T00:16:15Z
Bitcoin block
960175
Canonical record hash
sha256:babf7413a2331330d31e96d662c008f2be61420f299278314ce2702a0290c08b

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.