12 Etudes, Op. 10: No. 4 in C-Sharp Minor "Torrent"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835304
CopyrightID (CopyrightChains transaction hash)
0x7148f1b8ec8150161d6c613df94c0d3f518f610f13a9afe0a22ec385d2e69d00
Copyright registration time
2026-06-19T04:40:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a46fbd011919bfd7dc862f66701c2f599b69a37db3eda0341ebf293b9b81548a

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.