Tchaikovsky (The Nutcracker Remix)

Recording by Anastasia Roupakia.

Recording identifiers

ISRC
FR6F31470810
CopyrightID (CopyrightChains transaction hash)
0x94e93a883990273c79e6f34b1acdd1c9e85eb349172102ad6959c5f99fe39d9e
Copyright registration time
2026-06-09T07:31:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:42cd1a0bc4ecb97c4593375d45ff0527088d770b6521cd8363b5559df6ff35f4

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.