12 Études d'exécution transcendante, Op. 11: Tempête in C-Sharp Minor

Recording by Sergei Lyapunov.

Recording identifiers

ISRC
FR3Z52000073
CopyrightID (CopyrightChains transaction hash)
0x607d5fccf5693287d78cbab65d1ca5af86188630a82aca0de4491d139e67d437
Copyright registration time
2026-07-07T17:55:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ece7a2d3e43a532df07b1c03aaf4a9fc056682e488dbcb8901df7d80ee46825b

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.