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

Recording by Frédéric Chopin.

Recording identifiers

ISRC
DEF057230010
CopyrightID (CopyrightChains transaction hash)
0x85e6b7e86023ee106a1b6af5e7bee7c4190562f62a830d5a413f469eb07d4b7c
Copyright registration time
2026-07-03T06:00:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1628d7fbefd2efa22c1eb1867b0279d5698790b28e4d866514a4cc6315947778

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.