12 Etudes, Op. 10: No. 6 in E-Flat Minor "Lament"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835306
CopyrightID (CopyrightChains transaction hash)
0xdfdad9af4ed54b0134d66622c88b9e700a3afb487d0de447c0f1292f67331570
Copyright registration time
2026-07-07T03:12:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d1b8c01b92502c344f37b639a8c76c212b6231739f8780133de71c9e338c9e14

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.