Trepak, Russischer Tanz - Der Nussknacker (Trepak, Russian Dance - the Nutcracker)

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEP621800033
CopyrightID (CopyrightChains transaction hash)
0xd30b2912c597dd5619ea9583ca8f6dbeb4744261d56aa34118064e792c93fcaa
Copyright registration time
2026-06-10T16:01:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:50:41Z
Bitcoin block
957052
Canonical record hash
sha256:6aefec0335067595c338ad5fbce4a96a15a9cf1e7e96a863512a5791d23fe8f9

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.