Blumenwalzer - Nussknacker

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBAYD8200170
CopyrightID (CopyrightChains transaction hash)
0x5cdb3a95d055b497fa2d1b8c575faa2180496be55a6d364f24b02e8cb8f12dc6
Copyright registration time
2026-06-09T04:27:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:536d7410edfdbb66bf7ae82342f665c0b3e283f8e5eb3587a8127b7ca8a029a3

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.