12 Etudes, Op. 10: No. 11 in E-Flat Major "Arpeggio"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBBBC2400012
CopyrightID (CopyrightChains transaction hash)
0x9a520348a56bbb02faa42e16078ddcc85fff44ae50ebb7d57fab0fb791dfd0d4
Copyright registration time
2026-06-22T00:40:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:93be34385b532c002af6b34b4c4ba87786e0b2513189a5eeab9b58f4bdc0e6e8

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.