Blumenwalzer (Aus: "Der Nussknacker")

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEMF32000108
CopyrightID (CopyrightChains transaction hash)
0x5a719ffa6a09f8640971d159736496ef5477340642f5ebd7d6777f86d4ba5fe0
Copyright registration time
2026-07-07T00:16:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e269a247ba651d8a5fb6c5195b9f53be5a86620b5b68c36b8ccc3bd46f56caf

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.