12 Etudes, Op. 25: No. 5 in E Minor "Wrong Note"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835317
CopyrightID (CopyrightChains transaction hash)
0x2e97ae7985c38b4d7e2d03fe8b3d2e40731a035a9fad312cfdfe6eadcfcf8c01

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:35:49Z
Bitcoin block
960309
Canonical record hash
sha256:b8874a16e9267a127fe198e04031738e42b9c617beb9a13d45d89e966894b5b1

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.