12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835313
CopyrightID (CopyrightChains transaction hash)
0x26974df54f9c0d39b9305bd20b3bb8080b6a2d8d8e15cbc57a3f07e5a4372802

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:529cb7f97cdcb7b8b5f93e92b3cfcad7b9e0a6f3b2ea2e2a61bc7af68bfe4c90

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.