Etude No.1 in A flat major "Aeolian Harp" Op.25-1

Recording by Frédéric Chopin.

Recording identifiers

ISRC
JPVI09920260
CopyrightID (CopyrightChains transaction hash)
0x965cecacb382f9ab5cf01c6068e48cd8a7b955f49fda762ec9bc2b2ba8014b52

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:17:02Z
Bitcoin block
960348
Canonical record hash
sha256:e252a3d0a65088e3f3737c6d9ba3c8533c0ef93bba0c9dd88eeef2846e339bc2

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.