12 Etudes, Op. 10: No. 10 in A-Flat Major

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBBBC2400011
CopyrightID (CopyrightChains transaction hash)
0xd13c9bda6cca40749927817198fc5e1c9136a5735411cb45b539c0c4f4a9ad20
Copyright registration time
2026-06-22T18:44:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:00a3472273122a78fef1ed52a24b93b83f2141381715be3bc972e1c863bf1008

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.