Nussknacker Suite, Op. 71: Chinesischer Tanz

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DED810901215
CopyrightID (CopyrightChains transaction hash)
0xf7f5d5d9fc906ff67ff78c8c32f227aae6cf719106d1fed0a5e8869d56b91f45
Copyright registration time
2026-07-31T08:32:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:38:45Z
Bitcoin block
960370
Canonical record hash
sha256:b64ef289e139123defc20121fae047d696107bd1eaec74a67349b8834602aadf

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.