The Nutcracker: Russian Dance

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
HKI190474818
CopyrightID (CopyrightChains transaction hash)
0x97c81ccb8b409c1576f361e2038afe7b1bd8039c856b22e4081a48e4e0e7a8ae
Copyright registration time
2026-06-05T16:23:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:312e6013f2a0e758276069c3cb71cb2d07d47feb552051cc6f4baea87ff8ebb1

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.