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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF056507141
CopyrightID (CopyrightChains transaction hash)
0xf600a3aee5d1eccae92a665d6b8ac2aa1058d8b36716d8c9c084d60e6e11a508

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:9137afba1c3b567118aef6b6e405f74ed7f21160524c07b9d99b45e0af061c42

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.