Tchaikovsky: The Nutcracker, Op. 71: Miniature Overture

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBAYC1600597
CopyrightID (CopyrightChains transaction hash)
0xc36b2f6cbe8a573d96e2cd3e1b98cf9a1a59e0c7f5f7dd00f4c59d0c6188a9d9
Copyright registration time
2026-06-10T00:42:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2c50a4c00f2a5e9cb46898c425fc628f5a154533846005b880935df538ff7a37

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.