12 Etudes, Op. 10: No. 2 in A Minor "Chromatique"

Recording by Frédéric Chopin.

Recording identifiers

ISRC
GBAJY0835302
Release date of the album this recording appears on
2025-06-09
CopyrightID (CopyrightChains transaction hash)
0x9ca2eb298dacbe9538f3c81f1a195614ca3b895cb5bbf0727b42ff2aa9e4ac7d
Copyright registration time
2026-06-11T02:26:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e91b50d05cd07e59b60eb78fcb780390012a0fd6adb92616e3a80097bd558946

What this proof establishes

This recording was released in 2025. ProofProfile's artist catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and this recording entered the record through cc-db-prod's ISRC-linked registration. Its provenance rests on the dates stated above rather than on the era of that source corpus.

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.